* Copyright (C) 2010 Texas Instruments Inc.
*
* Authors: Liam Girdwood <lrg@ti.com>
- * Mark Brown <broonie@opensource.wolfsonmicro.com>
+ * Mark Brown <broonie@opensource.wolfsonmicro.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/delay.h>
+#include <linux/pinctrl/consumer.h>
#include <linux/pm_runtime.h>
#include <linux/slab.h>
#include <linux/workqueue.h>
#define DPCM_MAX_BE_USERS 8
+/*
+ * snd_soc_dai_stream_valid() - check if a DAI supports the given stream
+ *
+ * Returns true if the DAI supports the indicated stream type.
+ */
+static bool snd_soc_dai_stream_valid(struct snd_soc_dai *dai, int stream)
+{
+ struct snd_soc_pcm_stream *codec_stream;
+
+ if (stream == SNDRV_PCM_STREAM_PLAYBACK)
+ codec_stream = &dai->driver->playback;
+ else
+ codec_stream = &dai->driver->capture;
+
+ /* If the codec specifies any rate at all, it supports the stream. */
+ return codec_stream->rates;
+}
+
+/**
+ * snd_soc_runtime_activate() - Increment active count for PCM runtime components
+ * @rtd: ASoC PCM runtime that is activated
+ * @stream: Direction of the PCM stream
+ *
+ * Increments the active count for all the DAIs and components attached to a PCM
+ * runtime. Should typically be called when a stream is opened.
+ *
+ * Must be called with the rtd->pcm_mutex being held
+ */
+void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd, int stream)
+{
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ int i;
+
+ lockdep_assert_held(&rtd->pcm_mutex);
+
+ if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ cpu_dai->playback_active++;
+ for (i = 0; i < rtd->num_codecs; i++)
+ rtd->codec_dais[i]->playback_active++;
+ } else {
+ cpu_dai->capture_active++;
+ for (i = 0; i < rtd->num_codecs; i++)
+ rtd->codec_dais[i]->capture_active++;
+ }
+
+ cpu_dai->active++;
+ cpu_dai->component->active++;
+ for (i = 0; i < rtd->num_codecs; i++) {
+ rtd->codec_dais[i]->active++;
+ rtd->codec_dais[i]->component->active++;
+ }
+}
+
+/**
+ * snd_soc_runtime_deactivate() - Decrement active count for PCM runtime components
+ * @rtd: ASoC PCM runtime that is deactivated
+ * @stream: Direction of the PCM stream
+ *
+ * Decrements the active count for all the DAIs and components attached to a PCM
+ * runtime. Should typically be called when a stream is closed.
+ *
+ * Must be called with the rtd->pcm_mutex being held
+ */
+void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd, int stream)
+{
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ int i;
+
+ lockdep_assert_held(&rtd->pcm_mutex);
+
+ if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ cpu_dai->playback_active--;
+ for (i = 0; i < rtd->num_codecs; i++)
+ rtd->codec_dais[i]->playback_active--;
+ } else {
+ cpu_dai->capture_active--;
+ for (i = 0; i < rtd->num_codecs; i++)
+ rtd->codec_dais[i]->capture_active--;
+ }
+
+ cpu_dai->active--;
+ cpu_dai->component->active--;
+ for (i = 0; i < rtd->num_codecs; i++) {
+ rtd->codec_dais[i]->component->active--;
+ rtd->codec_dais[i]->active--;
+ }
+}
+
+/**
+ * snd_soc_runtime_ignore_pmdown_time() - Check whether to ignore the power down delay
+ * @rtd: The ASoC PCM runtime that should be checked.
+ *
+ * This function checks whether the power down delay should be ignored for a
+ * specific PCM runtime. Returns true if the delay is 0, if it the DAI link has
+ * been configured to ignore the delay, or if none of the components benefits
+ * from having the delay.
+ */
+bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd)
+{
+ int i;
+ bool ignore = true;
+
+ if (!rtd->pmdown_time || rtd->dai_link->ignore_pmdown_time)
+ return true;
+
+ for (i = 0; i < rtd->num_codecs; i++)
+ ignore &= rtd->codec_dais[i]->component->ignore_pmdown_time;
+
+ return rtd->cpu_dai->component->ignore_pmdown_time && ignore;
+}
+
+/**
+ * snd_soc_set_runtime_hwparams - set the runtime hardware parameters
+ * @substream: the pcm substream
+ * @hw: the hardware parameters
+ *
+ * Sets the substream runtime hardware parameters.
+ */
+int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream,
+ const struct snd_pcm_hardware *hw)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ runtime->hw.info = hw->info;
+ runtime->hw.formats = hw->formats;
+ runtime->hw.period_bytes_min = hw->period_bytes_min;
+ runtime->hw.period_bytes_max = hw->period_bytes_max;
+ runtime->hw.periods_min = hw->periods_min;
+ runtime->hw.periods_max = hw->periods_max;
+ runtime->hw.buffer_bytes_max = hw->buffer_bytes_max;
+ runtime->hw.fifo_size = hw->fifo_size;
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_set_runtime_hwparams);
+
/* DPCM stream event, send event to FE and all active BEs. */
-static int dpcm_dapm_stream_event(struct snd_soc_pcm_runtime *fe, int dir,
+int dpcm_dapm_stream_event(struct snd_soc_pcm_runtime *fe, int dir,
int event)
{
struct snd_soc_dpcm *dpcm;
struct snd_soc_pcm_runtime *rtd = substream->private_data;
int ret;
- if (!soc_dai->driver->symmetric_rates &&
- !rtd->dai_link->symmetric_rates)
- return 0;
+ if (soc_dai->rate && (soc_dai->driver->symmetric_rates ||
+ rtd->dai_link->symmetric_rates)) {
+ dev_dbg(soc_dai->dev, "ASoC: Symmetry forces %dHz rate\n",
+ soc_dai->rate);
- /* This can happen if multiple streams are starting simultaneously -
- * the second can need to get its constraints before the first has
- * picked a rate. Complain and allow the application to carry on.
- */
- if (!soc_dai->rate) {
- dev_warn(soc_dai->dev,
- "ASoC: Not enforcing symmetric_rates due to race\n");
- return 0;
+ ret = snd_pcm_hw_constraint_single(substream->runtime,
+ SNDRV_PCM_HW_PARAM_RATE,
+ soc_dai->rate);
+ if (ret < 0) {
+ dev_err(soc_dai->dev,
+ "ASoC: Unable to apply rate constraint: %d\n",
+ ret);
+ return ret;
+ }
}
- dev_dbg(soc_dai->dev, "ASoC: Symmetry forces %dHz rate\n", soc_dai->rate);
+ if (soc_dai->channels && (soc_dai->driver->symmetric_channels ||
+ rtd->dai_link->symmetric_channels)) {
+ dev_dbg(soc_dai->dev, "ASoC: Symmetry forces %d channel(s)\n",
+ soc_dai->channels);
- ret = snd_pcm_hw_constraint_minmax(substream->runtime,
- SNDRV_PCM_HW_PARAM_RATE,
- soc_dai->rate, soc_dai->rate);
- if (ret < 0) {
- dev_err(soc_dai->dev,
- "ASoC: Unable to apply rate symmetry constraint: %d\n",
- ret);
- return ret;
+ ret = snd_pcm_hw_constraint_single(substream->runtime,
+ SNDRV_PCM_HW_PARAM_CHANNELS,
+ soc_dai->channels);
+ if (ret < 0) {
+ dev_err(soc_dai->dev,
+ "ASoC: Unable to apply channel symmetry constraint: %d\n",
+ ret);
+ return ret;
+ }
+ }
+
+ if (soc_dai->sample_bits && (soc_dai->driver->symmetric_samplebits ||
+ rtd->dai_link->symmetric_samplebits)) {
+ dev_dbg(soc_dai->dev, "ASoC: Symmetry forces %d sample bits\n",
+ soc_dai->sample_bits);
+
+ ret = snd_pcm_hw_constraint_single(substream->runtime,
+ SNDRV_PCM_HW_PARAM_SAMPLE_BITS,
+ soc_dai->sample_bits);
+ if (ret < 0) {
+ dev_err(soc_dai->dev,
+ "ASoC: Unable to apply sample bits symmetry constraint: %d\n",
+ ret);
+ return ret;
+ }
}
return 0;
}
-/*
- * List of sample sizes that might go over the bus for parameter
- * application. There ought to be a wildcard sample size for things
- * like the DAC/ADC resolution to use but there isn't right now.
- */
-static int sample_sizes[] = {
- 24, 32,
-};
+static int soc_pcm_params_symmetry(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ unsigned int rate, channels, sample_bits, symmetry, i;
+
+ rate = params_rate(params);
+ channels = params_channels(params);
+ sample_bits = snd_pcm_format_physical_width(params_format(params));
+
+ /* reject unmatched parameters when applying symmetry */
+ symmetry = cpu_dai->driver->symmetric_rates ||
+ rtd->dai_link->symmetric_rates;
+
+ for (i = 0; i < rtd->num_codecs; i++)
+ symmetry |= rtd->codec_dais[i]->driver->symmetric_rates;
+
+ if (symmetry && cpu_dai->rate && cpu_dai->rate != rate) {
+ dev_err(rtd->dev, "ASoC: unmatched rate symmetry: %d - %d\n",
+ cpu_dai->rate, rate);
+ return -EINVAL;
+ }
+
+ symmetry = cpu_dai->driver->symmetric_channels ||
+ rtd->dai_link->symmetric_channels;
+
+ for (i = 0; i < rtd->num_codecs; i++)
+ symmetry |= rtd->codec_dais[i]->driver->symmetric_channels;
+
+ if (symmetry && cpu_dai->channels && cpu_dai->channels != channels) {
+ dev_err(rtd->dev, "ASoC: unmatched channel symmetry: %d - %d\n",
+ cpu_dai->channels, channels);
+ return -EINVAL;
+ }
+
+ symmetry = cpu_dai->driver->symmetric_samplebits ||
+ rtd->dai_link->symmetric_samplebits;
+
+ for (i = 0; i < rtd->num_codecs; i++)
+ symmetry |= rtd->codec_dais[i]->driver->symmetric_samplebits;
+
+ if (symmetry && cpu_dai->sample_bits && cpu_dai->sample_bits != sample_bits) {
+ dev_err(rtd->dev, "ASoC: unmatched sample bits symmetry: %d - %d\n",
+ cpu_dai->sample_bits, sample_bits);
+ return -EINVAL;
+ }
+
+ return 0;
+}
-static void soc_pcm_apply_msb(struct snd_pcm_substream *substream,
- struct snd_soc_dai *dai)
+static bool soc_pcm_has_symmetry(struct snd_pcm_substream *substream)
{
- int ret, i, bits;
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_dai_driver *cpu_driver = rtd->cpu_dai->driver;
+ struct snd_soc_dai_link *link = rtd->dai_link;
+ unsigned int symmetry, i;
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
- bits = dai->driver->playback.sig_bits;
- else
- bits = dai->driver->capture.sig_bits;
+ symmetry = cpu_driver->symmetric_rates || link->symmetric_rates ||
+ cpu_driver->symmetric_channels || link->symmetric_channels ||
+ cpu_driver->symmetric_samplebits || link->symmetric_samplebits;
+
+ for (i = 0; i < rtd->num_codecs; i++)
+ symmetry = symmetry ||
+ rtd->codec_dais[i]->driver->symmetric_rates ||
+ rtd->codec_dais[i]->driver->symmetric_channels ||
+ rtd->codec_dais[i]->driver->symmetric_samplebits;
+
+ return symmetry;
+}
+
+static void soc_pcm_set_msb(struct snd_pcm_substream *substream, int bits)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ int ret;
if (!bits)
return;
- for (i = 0; i < ARRAY_SIZE(sample_sizes); i++) {
- if (bits >= sample_sizes[i])
+ ret = snd_pcm_hw_constraint_msbits(substream->runtime, 0, 0, bits);
+ if (ret != 0)
+ dev_warn(rtd->dev, "ASoC: Failed to set MSB %d: %d\n",
+ bits, ret);
+}
+
+static void soc_pcm_apply_msb(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ struct snd_soc_dai *codec_dai;
+ int i;
+ unsigned int bits = 0, cpu_bits;
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ for (i = 0; i < rtd->num_codecs; i++) {
+ codec_dai = rtd->codec_dais[i];
+ if (codec_dai->driver->playback.sig_bits == 0) {
+ bits = 0;
+ break;
+ }
+ bits = max(codec_dai->driver->playback.sig_bits, bits);
+ }
+ cpu_bits = cpu_dai->driver->playback.sig_bits;
+ } else {
+ for (i = 0; i < rtd->num_codecs; i++) {
+ codec_dai = rtd->codec_dais[i];
+ if (codec_dai->driver->capture.sig_bits == 0) {
+ bits = 0;
+ break;
+ }
+ bits = max(codec_dai->driver->capture.sig_bits, bits);
+ }
+ cpu_bits = cpu_dai->driver->capture.sig_bits;
+ }
+
+ soc_pcm_set_msb(substream, bits);
+ soc_pcm_set_msb(substream, cpu_bits);
+}
+
+static void soc_pcm_init_runtime_hw(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct snd_pcm_hardware *hw = &runtime->hw;
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_dai_driver *cpu_dai_drv = rtd->cpu_dai->driver;
+ struct snd_soc_dai_driver *codec_dai_drv;
+ struct snd_soc_pcm_stream *codec_stream;
+ struct snd_soc_pcm_stream *cpu_stream;
+ unsigned int chan_min = 0, chan_max = UINT_MAX;
+ unsigned int rate_min = 0, rate_max = UINT_MAX;
+ unsigned int rates = UINT_MAX;
+ u64 formats = ULLONG_MAX;
+ int i;
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ cpu_stream = &cpu_dai_drv->playback;
+ else
+ cpu_stream = &cpu_dai_drv->capture;
+
+ /* first calculate min/max only for CODECs in the DAI link */
+ for (i = 0; i < rtd->num_codecs; i++) {
+
+ /*
+ * Skip CODECs which don't support the current stream type.
+ * Otherwise, since the rate, channel, and format values will
+ * zero in that case, we would have no usable settings left,
+ * causing the resulting setup to fail.
+ * At least one CODEC should match, otherwise we should have
+ * bailed out on a higher level, since there would be no
+ * CODEC to support the transfer direction in that case.
+ */
+ if (!snd_soc_dai_stream_valid(rtd->codec_dais[i],
+ substream->stream))
continue;
- ret = snd_pcm_hw_constraint_msbits(substream->runtime, 0,
- sample_sizes[i], bits);
- if (ret != 0)
- dev_warn(dai->dev,
- "ASoC: Failed to set MSB %d/%d: %d\n",
- bits, sample_sizes[i], ret);
+ codec_dai_drv = rtd->codec_dais[i]->driver;
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ codec_stream = &codec_dai_drv->playback;
+ else
+ codec_stream = &codec_dai_drv->capture;
+ chan_min = max(chan_min, codec_stream->channels_min);
+ chan_max = min(chan_max, codec_stream->channels_max);
+ rate_min = max(rate_min, codec_stream->rate_min);
+ rate_max = min_not_zero(rate_max, codec_stream->rate_max);
+ formats &= codec_stream->formats;
+ rates = snd_pcm_rate_mask_intersect(codec_stream->rates, rates);
+ }
+
+ /*
+ * chan min/max cannot be enforced if there are multiple CODEC DAIs
+ * connected to a single CPU DAI, use CPU DAI's directly and let
+ * channel allocation be fixed up later
+ */
+ if (rtd->num_codecs > 1) {
+ chan_min = cpu_stream->channels_min;
+ chan_max = cpu_stream->channels_max;
}
+
+ hw->channels_min = max(chan_min, cpu_stream->channels_min);
+ hw->channels_max = min(chan_max, cpu_stream->channels_max);
+ if (hw->formats)
+ hw->formats &= formats & cpu_stream->formats;
+ else
+ hw->formats = formats & cpu_stream->formats;
+ hw->rates = snd_pcm_rate_mask_intersect(rates, cpu_stream->rates);
+
+ snd_pcm_limit_hw_rates(runtime);
+
+ hw->rate_min = max(hw->rate_min, cpu_stream->rate_min);
+ hw->rate_min = max(hw->rate_min, rate_min);
+ hw->rate_max = min_not_zero(hw->rate_max, cpu_stream->rate_max);
+ hw->rate_max = min_not_zero(hw->rate_max, rate_max);
}
/*
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_soc_platform *platform = rtd->platform;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
- struct snd_soc_dai *codec_dai = rtd->codec_dai;
- struct snd_soc_dai_driver *cpu_dai_drv = cpu_dai->driver;
- struct snd_soc_dai_driver *codec_dai_drv = codec_dai->driver;
- int ret = 0;
+ struct snd_soc_dai *codec_dai;
+ const char *codec_dai_name = "multicodec";
+ int i, ret = 0;
+ pinctrl_pm_select_default_state(cpu_dai->dev);
+ for (i = 0; i < rtd->num_codecs; i++)
+ pinctrl_pm_select_default_state(rtd->codec_dais[i]->dev);
pm_runtime_get_sync(cpu_dai->dev);
- pm_runtime_get_sync(codec_dai->dev);
+ for (i = 0; i < rtd->num_codecs; i++)
+ pm_runtime_get_sync(rtd->codec_dais[i]->dev);
pm_runtime_get_sync(platform->dev);
mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
/* startup the audio subsystem */
- if (cpu_dai->driver->ops->startup) {
+ if (cpu_dai->driver->ops && cpu_dai->driver->ops->startup) {
ret = cpu_dai->driver->ops->startup(substream, cpu_dai);
if (ret < 0) {
dev_err(cpu_dai->dev, "ASoC: can't open interface"
ret = platform->driver->ops->open(substream);
if (ret < 0) {
dev_err(platform->dev, "ASoC: can't open platform"
- " %s: %d\n", platform->name, ret);
+ " %s: %d\n", platform->component.name, ret);
goto platform_err;
}
}
- if (codec_dai->driver->ops->startup) {
- ret = codec_dai->driver->ops->startup(substream, codec_dai);
- if (ret < 0) {
- dev_err(codec_dai->dev, "ASoC: can't open codec"
- " %s: %d\n", codec_dai->name, ret);
- goto codec_dai_err;
+ for (i = 0; i < rtd->num_codecs; i++) {
+ codec_dai = rtd->codec_dais[i];
+ if (codec_dai->driver->ops && codec_dai->driver->ops->startup) {
+ ret = codec_dai->driver->ops->startup(substream,
+ codec_dai);
+ if (ret < 0) {
+ dev_err(codec_dai->dev,
+ "ASoC: can't open codec %s: %d\n",
+ codec_dai->name, ret);
+ goto codec_dai_err;
+ }
}
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ codec_dai->tx_mask = 0;
+ else
+ codec_dai->rx_mask = 0;
}
if (rtd->dai_link->ops && rtd->dai_link->ops->startup) {
goto dynamic;
/* Check that the codec and cpu DAIs are compatible */
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
- runtime->hw.rate_min =
- max(codec_dai_drv->playback.rate_min,
- cpu_dai_drv->playback.rate_min);
- runtime->hw.rate_max =
- min(codec_dai_drv->playback.rate_max,
- cpu_dai_drv->playback.rate_max);
- runtime->hw.channels_min =
- max(codec_dai_drv->playback.channels_min,
- cpu_dai_drv->playback.channels_min);
- runtime->hw.channels_max =
- min(codec_dai_drv->playback.channels_max,
- cpu_dai_drv->playback.channels_max);
- runtime->hw.formats =
- codec_dai_drv->playback.formats & cpu_dai_drv->playback.formats;
- runtime->hw.rates =
- codec_dai_drv->playback.rates & cpu_dai_drv->playback.rates;
- if (codec_dai_drv->playback.rates
- & (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_CONTINUOUS))
- runtime->hw.rates |= cpu_dai_drv->playback.rates;
- if (cpu_dai_drv->playback.rates
- & (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_CONTINUOUS))
- runtime->hw.rates |= codec_dai_drv->playback.rates;
- } else {
- runtime->hw.rate_min =
- max(codec_dai_drv->capture.rate_min,
- cpu_dai_drv->capture.rate_min);
- runtime->hw.rate_max =
- min(codec_dai_drv->capture.rate_max,
- cpu_dai_drv->capture.rate_max);
- runtime->hw.channels_min =
- max(codec_dai_drv->capture.channels_min,
- cpu_dai_drv->capture.channels_min);
- runtime->hw.channels_max =
- min(codec_dai_drv->capture.channels_max,
- cpu_dai_drv->capture.channels_max);
- runtime->hw.formats =
- codec_dai_drv->capture.formats & cpu_dai_drv->capture.formats;
- runtime->hw.rates =
- codec_dai_drv->capture.rates & cpu_dai_drv->capture.rates;
- if (codec_dai_drv->capture.rates
- & (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_CONTINUOUS))
- runtime->hw.rates |= cpu_dai_drv->capture.rates;
- if (cpu_dai_drv->capture.rates
- & (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_CONTINUOUS))
- runtime->hw.rates |= codec_dai_drv->capture.rates;
- }
+ soc_pcm_init_runtime_hw(substream);
+
+ if (rtd->num_codecs == 1)
+ codec_dai_name = rtd->codec_dai->name;
+
+ if (soc_pcm_has_symmetry(substream))
+ runtime->hw.info |= SNDRV_PCM_INFO_JOINT_DUPLEX;
ret = -EINVAL;
- snd_pcm_limit_hw_rates(runtime);
if (!runtime->hw.rates) {
printk(KERN_ERR "ASoC: %s <-> %s No matching rates\n",
- codec_dai->name, cpu_dai->name);
+ codec_dai_name, cpu_dai->name);
goto config_err;
}
if (!runtime->hw.formats) {
printk(KERN_ERR "ASoC: %s <-> %s No matching formats\n",
- codec_dai->name, cpu_dai->name);
+ codec_dai_name, cpu_dai->name);
goto config_err;
}
if (!runtime->hw.channels_min || !runtime->hw.channels_max ||
runtime->hw.channels_min > runtime->hw.channels_max) {
printk(KERN_ERR "ASoC: %s <-> %s No matching channels\n",
- codec_dai->name, cpu_dai->name);
+ codec_dai_name, cpu_dai->name);
goto config_err;
}
- soc_pcm_apply_msb(substream, codec_dai);
- soc_pcm_apply_msb(substream, cpu_dai);
+ soc_pcm_apply_msb(substream);
/* Symmetry only applies if we've already got an active stream. */
if (cpu_dai->active) {
goto config_err;
}
- if (codec_dai->active) {
- ret = soc_pcm_apply_symmetry(substream, codec_dai);
- if (ret != 0)
- goto config_err;
+ for (i = 0; i < rtd->num_codecs; i++) {
+ if (rtd->codec_dais[i]->active) {
+ ret = soc_pcm_apply_symmetry(substream,
+ rtd->codec_dais[i]);
+ if (ret != 0)
+ goto config_err;
+ }
}
pr_debug("ASoC: %s <-> %s info:\n",
- codec_dai->name, cpu_dai->name);
+ codec_dai_name, cpu_dai->name);
pr_debug("ASoC: rate mask 0x%x\n", runtime->hw.rates);
pr_debug("ASoC: min ch %d max ch %d\n", runtime->hw.channels_min,
runtime->hw.channels_max);
runtime->hw.rate_max);
dynamic:
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
- cpu_dai->playback_active++;
- codec_dai->playback_active++;
- } else {
- cpu_dai->capture_active++;
- codec_dai->capture_active++;
- }
- cpu_dai->active++;
- codec_dai->active++;
- rtd->codec->active++;
+
+ snd_soc_runtime_activate(rtd, substream->stream);
+
mutex_unlock(&rtd->pcm_mutex);
return 0;
rtd->dai_link->ops->shutdown(substream);
machine_err:
- if (codec_dai->driver->ops->shutdown)
- codec_dai->driver->ops->shutdown(substream, codec_dai);
+ i = rtd->num_codecs;
codec_dai_err:
+ while (--i >= 0) {
+ codec_dai = rtd->codec_dais[i];
+ if (codec_dai->driver->ops->shutdown)
+ codec_dai->driver->ops->shutdown(substream, codec_dai);
+ }
+
if (platform->driver->ops && platform->driver->ops->close)
platform->driver->ops->close(substream);
mutex_unlock(&rtd->pcm_mutex);
pm_runtime_put(platform->dev);
- pm_runtime_put(codec_dai->dev);
+ for (i = 0; i < rtd->num_codecs; i++)
+ pm_runtime_put(rtd->codec_dais[i]->dev);
pm_runtime_put(cpu_dai->dev);
+ for (i = 0; i < rtd->num_codecs; i++) {
+ if (!rtd->codec_dais[i]->active)
+ pinctrl_pm_select_sleep_state(rtd->codec_dais[i]->dev);
+ }
+ if (!cpu_dai->active)
+ pinctrl_pm_select_sleep_state(cpu_dai->dev);
return ret;
}
{
struct snd_soc_pcm_runtime *rtd =
container_of(work, struct snd_soc_pcm_runtime, delayed_work.work);
- struct snd_soc_dai *codec_dai = rtd->codec_dai;
+ struct snd_soc_dai *codec_dai = rtd->codec_dais[0];
mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_platform *platform = rtd->platform;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
- struct snd_soc_dai *codec_dai = rtd->codec_dai;
- struct snd_soc_codec *codec = rtd->codec;
+ struct snd_soc_dai *codec_dai;
+ int i;
mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
- cpu_dai->playback_active--;
- codec_dai->playback_active--;
- } else {
- cpu_dai->capture_active--;
- codec_dai->capture_active--;
- }
-
- cpu_dai->active--;
- codec_dai->active--;
- codec->active--;
+ snd_soc_runtime_deactivate(rtd, substream->stream);
/* clear the corresponding DAIs rate when inactive */
if (!cpu_dai->active)
cpu_dai->rate = 0;
- if (!codec_dai->active)
- codec_dai->rate = 0;
+ for (i = 0; i < rtd->num_codecs; i++) {
+ codec_dai = rtd->codec_dais[i];
+ if (!codec_dai->active)
+ codec_dai->rate = 0;
+ }
- /* Muting the DAC suppresses artifacts caused during digital
- * shutdown, for example from stopping clocks.
- */
- snd_soc_dai_digital_mute(codec_dai, 1, substream->stream);
+ snd_soc_dai_digital_mute(cpu_dai, 1, substream->stream);
if (cpu_dai->driver->ops->shutdown)
cpu_dai->driver->ops->shutdown(substream, cpu_dai);
- if (codec_dai->driver->ops->shutdown)
- codec_dai->driver->ops->shutdown(substream, codec_dai);
+ for (i = 0; i < rtd->num_codecs; i++) {
+ codec_dai = rtd->codec_dais[i];
+ if (codec_dai->driver->ops->shutdown)
+ codec_dai->driver->ops->shutdown(substream, codec_dai);
+ }
if (rtd->dai_link->ops && rtd->dai_link->ops->shutdown)
rtd->dai_link->ops->shutdown(substream);
if (platform->driver->ops && platform->driver->ops->close)
platform->driver->ops->close(substream);
- cpu_dai->runtime = NULL;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
- if (!rtd->pmdown_time || codec->ignore_pmdown_time ||
- rtd->dai_link->ignore_pmdown_time) {
+ if (snd_soc_runtime_ignore_pmdown_time(rtd)) {
/* powered down playback stream now */
snd_soc_dapm_stream_event(rtd,
SNDRV_PCM_STREAM_PLAYBACK,
} else {
/* start delayed pop wq here for playback streams */
rtd->pop_wait = 1;
- schedule_delayed_work(&rtd->delayed_work,
- msecs_to_jiffies(rtd->pmdown_time));
+ queue_delayed_work(system_power_efficient_wq,
+ &rtd->delayed_work,
+ msecs_to_jiffies(rtd->pmdown_time));
}
} else {
/* capture streams can be powered down now */
mutex_unlock(&rtd->pcm_mutex);
pm_runtime_put(platform->dev);
- pm_runtime_put(codec_dai->dev);
+ for (i = 0; i < rtd->num_codecs; i++)
+ pm_runtime_put(rtd->codec_dais[i]->dev);
pm_runtime_put(cpu_dai->dev);
+ for (i = 0; i < rtd->num_codecs; i++) {
+ if (!rtd->codec_dais[i]->active)
+ pinctrl_pm_select_sleep_state(rtd->codec_dais[i]->dev);
+ }
+ if (!cpu_dai->active)
+ pinctrl_pm_select_sleep_state(cpu_dai->dev);
return 0;
}
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_platform *platform = rtd->platform;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
- struct snd_soc_dai *codec_dai = rtd->codec_dai;
- int ret = 0;
+ struct snd_soc_dai *codec_dai;
+ int i, ret = 0;
mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
}
}
- if (codec_dai->driver->ops->prepare) {
- ret = codec_dai->driver->ops->prepare(substream, codec_dai);
- if (ret < 0) {
- dev_err(codec_dai->dev, "ASoC: DAI prepare error: %d\n",
- ret);
- goto out;
+ for (i = 0; i < rtd->num_codecs; i++) {
+ codec_dai = rtd->codec_dais[i];
+ if (codec_dai->driver->ops && codec_dai->driver->ops->prepare) {
+ ret = codec_dai->driver->ops->prepare(substream,
+ codec_dai);
+ if (ret < 0) {
+ dev_err(codec_dai->dev,
+ "ASoC: codec DAI prepare error: %d\n",
+ ret);
+ goto out;
+ }
}
}
- if (cpu_dai->driver->ops->prepare) {
+ if (cpu_dai->driver->ops && cpu_dai->driver->ops->prepare) {
ret = cpu_dai->driver->ops->prepare(substream, cpu_dai);
if (ret < 0) {
- dev_err(cpu_dai->dev, "ASoC: DAI prepare error: %d\n",
- ret);
+ dev_err(cpu_dai->dev,
+ "ASoC: cpu DAI prepare error: %d\n", ret);
goto out;
}
}
snd_soc_dapm_stream_event(rtd, substream->stream,
SND_SOC_DAPM_STREAM_START);
- snd_soc_dai_digital_mute(codec_dai, 0, substream->stream);
+ for (i = 0; i < rtd->num_codecs; i++)
+ snd_soc_dai_digital_mute(rtd->codec_dais[i], 0,
+ substream->stream);
+ snd_soc_dai_digital_mute(cpu_dai, 0, substream->stream);
out:
mutex_unlock(&rtd->pcm_mutex);
return ret;
}
+static void soc_pcm_codec_params_fixup(struct snd_pcm_hw_params *params,
+ unsigned int mask)
+{
+ struct snd_interval *interval;
+ int channels = hweight_long(mask);
+
+ interval = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
+ interval->min = channels;
+ interval->max = channels;
+}
+
+int soc_dai_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params,
+ struct snd_soc_dai *dai)
+{
+ int ret;
+
+ if (dai->driver->ops && dai->driver->ops->hw_params) {
+ ret = dai->driver->ops->hw_params(substream, params, dai);
+ if (ret < 0) {
+ dev_err(dai->dev, "ASoC: can't set %s hw params: %d\n",
+ dai->name, ret);
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
/*
* Called by ALSA when the hardware params are set by application. This
* function can also be called multiple times and can allocate buffers
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_platform *platform = rtd->platform;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
- struct snd_soc_dai *codec_dai = rtd->codec_dai;
- int ret = 0;
+ int i, ret = 0;
mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
+ ret = soc_pcm_params_symmetry(substream, params);
+ if (ret)
+ goto out;
+
if (rtd->dai_link->ops && rtd->dai_link->ops->hw_params) {
ret = rtd->dai_link->ops->hw_params(substream, params);
if (ret < 0) {
}
}
- if (codec_dai->driver->ops->hw_params) {
- ret = codec_dai->driver->ops->hw_params(substream, params, codec_dai);
- if (ret < 0) {
- dev_err(codec_dai->dev, "ASoC: can't set %s hw params:"
- " %d\n", codec_dai->name, ret);
+ for (i = 0; i < rtd->num_codecs; i++) {
+ struct snd_soc_dai *codec_dai = rtd->codec_dais[i];
+ struct snd_pcm_hw_params codec_params;
+
+ /*
+ * Skip CODECs which don't support the current stream type,
+ * the idea being that if a CODEC is not used for the currently
+ * set up transfer direction, it should not need to be
+ * configured, especially since the configuration used might
+ * not even be supported by that CODEC. There may be cases
+ * however where a CODEC needs to be set up although it is
+ * actually not being used for the transfer, e.g. if a
+ * capture-only CODEC is acting as an LRCLK and/or BCLK master
+ * for the DAI link including a playback-only CODEC.
+ * If this becomes necessary, we will have to augment the
+ * machine driver setup with information on how to act, so
+ * we can do the right thing here.
+ */
+ if (!snd_soc_dai_stream_valid(codec_dai, substream->stream))
+ continue;
+
+ /* copy params for each codec */
+ codec_params = *params;
+
+ /* fixup params based on TDM slot masks */
+ if (codec_dai->tx_mask)
+ soc_pcm_codec_params_fixup(&codec_params,
+ codec_dai->tx_mask);
+ if (codec_dai->rx_mask)
+ soc_pcm_codec_params_fixup(&codec_params,
+ codec_dai->rx_mask);
+
+ ret = soc_dai_hw_params(substream, &codec_params, codec_dai);
+ if(ret < 0)
goto codec_err;
- }
- }
- if (cpu_dai->driver->ops->hw_params) {
- ret = cpu_dai->driver->ops->hw_params(substream, params, cpu_dai);
- if (ret < 0) {
- dev_err(cpu_dai->dev, "ASoC: %s hw params failed: %d\n",
- cpu_dai->name, ret);
- goto interface_err;
- }
+ codec_dai->rate = params_rate(&codec_params);
+ codec_dai->channels = params_channels(&codec_params);
+ codec_dai->sample_bits = snd_pcm_format_physical_width(
+ params_format(&codec_params));
}
+ ret = soc_dai_hw_params(substream, params, cpu_dai);
+ if (ret < 0)
+ goto interface_err;
+
if (platform->driver->ops && platform->driver->ops->hw_params) {
ret = platform->driver->ops->hw_params(substream, params);
if (ret < 0) {
dev_err(platform->dev, "ASoC: %s hw params failed: %d\n",
- platform->name, ret);
+ platform->component.name, ret);
goto platform_err;
}
}
- /* store the rate for each DAIs */
+ /* store the parameters for each DAIs */
cpu_dai->rate = params_rate(params);
- codec_dai->rate = params_rate(params);
+ cpu_dai->channels = params_channels(params);
+ cpu_dai->sample_bits =
+ snd_pcm_format_physical_width(params_format(params));
out:
mutex_unlock(&rtd->pcm_mutex);
return ret;
platform_err:
- if (cpu_dai->driver->ops->hw_free)
+ if (cpu_dai->driver->ops && cpu_dai->driver->ops->hw_free)
cpu_dai->driver->ops->hw_free(substream, cpu_dai);
interface_err:
- if (codec_dai->driver->ops->hw_free)
- codec_dai->driver->ops->hw_free(substream, codec_dai);
+ i = rtd->num_codecs;
codec_err:
+ while (--i >= 0) {
+ struct snd_soc_dai *codec_dai = rtd->codec_dais[i];
+ if (codec_dai->driver->ops && codec_dai->driver->ops->hw_free)
+ codec_dai->driver->ops->hw_free(substream, codec_dai);
+ codec_dai->rate = 0;
+ }
+
if (rtd->dai_link->ops && rtd->dai_link->ops->hw_free)
rtd->dai_link->ops->hw_free(substream);
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_platform *platform = rtd->platform;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
- struct snd_soc_dai *codec_dai = rtd->codec_dai;
- struct snd_soc_codec *codec = rtd->codec;
+ struct snd_soc_dai *codec_dai;
+ bool playback = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
+ int i;
mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
+ /* clear the corresponding DAIs parameters when going to be inactive */
+ if (cpu_dai->active == 1) {
+ cpu_dai->rate = 0;
+ cpu_dai->channels = 0;
+ cpu_dai->sample_bits = 0;
+ }
+
+ for (i = 0; i < rtd->num_codecs; i++) {
+ codec_dai = rtd->codec_dais[i];
+ if (codec_dai->active == 1) {
+ codec_dai->rate = 0;
+ codec_dai->channels = 0;
+ codec_dai->sample_bits = 0;
+ }
+ }
+
/* apply codec digital mute */
- if (!codec->active)
- snd_soc_dai_digital_mute(codec_dai, 1, substream->stream);
+ for (i = 0; i < rtd->num_codecs; i++) {
+ if ((playback && rtd->codec_dais[i]->playback_active == 1) ||
+ (!playback && rtd->codec_dais[i]->capture_active == 1))
+ snd_soc_dai_digital_mute(rtd->codec_dais[i], 1,
+ substream->stream);
+ }
/* free any machine hw params */
if (rtd->dai_link->ops && rtd->dai_link->ops->hw_free)
platform->driver->ops->hw_free(substream);
/* now free hw params for the DAIs */
- if (codec_dai->driver->ops->hw_free)
- codec_dai->driver->ops->hw_free(substream, codec_dai);
+ for (i = 0; i < rtd->num_codecs; i++) {
+ codec_dai = rtd->codec_dais[i];
+ if (codec_dai->driver->ops && codec_dai->driver->ops->hw_free)
+ codec_dai->driver->ops->hw_free(substream, codec_dai);
+ }
- if (cpu_dai->driver->ops->hw_free)
+ if (cpu_dai->driver->ops && cpu_dai->driver->ops->hw_free)
cpu_dai->driver->ops->hw_free(substream, cpu_dai);
mutex_unlock(&rtd->pcm_mutex);
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_platform *platform = rtd->platform;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
- struct snd_soc_dai *codec_dai = rtd->codec_dai;
- int ret;
-
- if (codec_dai->driver->ops->trigger) {
- ret = codec_dai->driver->ops->trigger(substream, cmd, codec_dai);
- if (ret < 0)
- return ret;
+ struct snd_soc_dai *codec_dai;
+ int i, ret;
+
+ for (i = 0; i < rtd->num_codecs; i++) {
+ codec_dai = rtd->codec_dais[i];
+ if (codec_dai->driver->ops && codec_dai->driver->ops->trigger) {
+ ret = codec_dai->driver->ops->trigger(substream,
+ cmd, codec_dai);
+ if (ret < 0)
+ return ret;
+ }
}
if (platform->driver->ops && platform->driver->ops->trigger) {
return ret;
}
- if (cpu_dai->driver->ops->trigger) {
+ if (cpu_dai->driver->ops && cpu_dai->driver->ops->trigger) {
ret = cpu_dai->driver->ops->trigger(substream, cmd, cpu_dai);
if (ret < 0)
return ret;
}
+
+ if (rtd->dai_link->ops && rtd->dai_link->ops->trigger) {
+ ret = rtd->dai_link->ops->trigger(substream, cmd);
+ if (ret < 0)
+ return ret;
+ }
+
return 0;
}
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_platform *platform = rtd->platform;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
- struct snd_soc_dai *codec_dai = rtd->codec_dai;
- int ret;
-
- if (codec_dai->driver->ops->bespoke_trigger) {
- ret = codec_dai->driver->ops->bespoke_trigger(substream, cmd, codec_dai);
- if (ret < 0)
- return ret;
+ struct snd_soc_dai *codec_dai;
+ int i, ret;
+
+ for (i = 0; i < rtd->num_codecs; i++) {
+ codec_dai = rtd->codec_dais[i];
+ if (codec_dai->driver->ops &&
+ codec_dai->driver->ops->bespoke_trigger) {
+ ret = codec_dai->driver->ops->bespoke_trigger(substream,
+ cmd, codec_dai);
+ if (ret < 0)
+ return ret;
+ }
}
if (platform->driver->bespoke_trigger) {
return ret;
}
- if (cpu_dai->driver->ops->bespoke_trigger) {
+ if (cpu_dai->driver->ops && cpu_dai->driver->ops->bespoke_trigger) {
ret = cpu_dai->driver->ops->bespoke_trigger(substream, cmd, cpu_dai);
if (ret < 0)
return ret;
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_platform *platform = rtd->platform;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
- struct snd_soc_dai *codec_dai = rtd->codec_dai;
+ struct snd_soc_dai *codec_dai;
struct snd_pcm_runtime *runtime = substream->runtime;
snd_pcm_uframes_t offset = 0;
snd_pcm_sframes_t delay = 0;
+ snd_pcm_sframes_t codec_delay = 0;
+ int i;
if (platform->driver->ops && platform->driver->ops->pointer)
offset = platform->driver->ops->pointer(substream);
- if (cpu_dai->driver->ops->delay)
+ if (cpu_dai->driver->ops && cpu_dai->driver->ops->delay)
delay += cpu_dai->driver->ops->delay(substream, cpu_dai);
- if (codec_dai->driver->ops->delay)
- delay += codec_dai->driver->ops->delay(substream, codec_dai);
+ for (i = 0; i < rtd->num_codecs; i++) {
+ codec_dai = rtd->codec_dais[i];
+ if (codec_dai->driver->ops && codec_dai->driver->ops->delay)
+ codec_delay = max(codec_delay,
+ codec_dai->driver->ops->delay(substream,
+ codec_dai));
+ }
+ delay += codec_delay;
+ /*
+ * None of the existing platform drivers implement delay(), so
+ * for now the codec_dai of first multicodec entry is used
+ */
if (platform->driver->delay)
- delay += platform->driver->delay(substream, codec_dai);
+ delay += platform->driver->delay(substream, rtd->codec_dais[0]);
runtime->delay = delay;
list_add(&dpcm->list_be, &fe->dpcm[stream].be_clients);
list_add(&dpcm->list_fe, &be->dpcm[stream].fe_clients);
- dev_dbg(fe->dev, " connected new DPCM %s path %s %s %s\n",
+ dev_dbg(fe->dev, "connected new DPCM %s path %s %s %s\n",
stream ? "capture" : "playback", fe->dai_link->name,
stream ? "<-" : "->", be->dai_link->name);
#ifdef CONFIG_DEBUG_FS
- dpcm->debugfs_state = debugfs_create_u32(be->dai_link->name, 0644,
- fe->debugfs_dpcm_root, &dpcm->state);
+ if (fe->debugfs_dpcm_root)
+ dpcm->debugfs_state = debugfs_create_u32(be->dai_link->name, 0644,
+ fe->debugfs_dpcm_root, &dpcm->state);
#endif
return 1;
}
if (dpcm->fe == fe)
continue;
- dev_dbg(fe->dev, " reparent %s path %s %s %s\n",
+ dev_dbg(fe->dev, "reparent %s path %s %s %s\n",
stream ? "capture" : "playback",
dpcm->fe->dai_link->name,
stream ? "<-" : "->", dpcm->be->dai_link->name);
}
/* disconnect a BE and FE */
-static void dpcm_be_disconnect(struct snd_soc_pcm_runtime *fe, int stream)
+void dpcm_be_disconnect(struct snd_soc_pcm_runtime *fe, int stream)
{
struct snd_soc_dpcm *dpcm, *d;
if (dpcm->state != SND_SOC_DPCM_LINK_STATE_FREE)
continue;
- dev_dbg(fe->dev, " freed DSP %s path %s %s %s\n",
+ dev_dbg(fe->dev, "freed DSP %s path %s %s %s\n",
stream ? "capture" : "playback", fe->dai_link->name,
stream ? "<-" : "->", dpcm->be->dai_link->name);
struct snd_soc_dapm_widget *widget, int stream)
{
struct snd_soc_pcm_runtime *be;
- int i;
+ int i, j;
if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
for (i = 0; i < card->num_links; i++) {
if (!be->dai_link->no_pcm)
continue;
- if (be->cpu_dai->playback_widget == widget ||
- be->codec_dai->playback_widget == widget)
+ if (be->cpu_dai->playback_widget == widget)
return be;
+
+ for (j = 0; j < be->num_codecs; j++) {
+ struct snd_soc_dai *dai = be->codec_dais[j];
+ if (dai->playback_widget == widget)
+ return be;
+ }
}
} else {
if (!be->dai_link->no_pcm)
continue;
- if (be->cpu_dai->capture_widget == widget ||
- be->codec_dai->capture_widget == widget)
+ if (be->cpu_dai->capture_widget == widget)
return be;
+
+ for (j = 0; j < be->num_codecs; j++) {
+ struct snd_soc_dai *dai = be->codec_dais[j];
+ if (dai->capture_widget == widget)
+ return be;
+ }
}
}
}
static inline struct snd_soc_dapm_widget *
- rtd_get_cpu_widget(struct snd_soc_pcm_runtime *rtd, int stream)
+ dai_get_widget(struct snd_soc_dai *dai, int stream)
{
if (stream == SNDRV_PCM_STREAM_PLAYBACK)
- return rtd->cpu_dai->playback_widget;
+ return dai->playback_widget;
else
- return rtd->cpu_dai->capture_widget;
-}
-
-static inline struct snd_soc_dapm_widget *
- rtd_get_codec_widget(struct snd_soc_pcm_runtime *rtd, int stream)
-{
- if (stream == SNDRV_PCM_STREAM_PLAYBACK)
- return rtd->codec_dai->playback_widget;
- else
- return rtd->codec_dai->capture_widget;
+ return dai->capture_widget;
}
static int widget_in_list(struct snd_soc_dapm_widget_list *list,
return 0;
}
-static int dpcm_path_get(struct snd_soc_pcm_runtime *fe,
- int stream, struct snd_soc_dapm_widget_list **list_)
+int dpcm_path_get(struct snd_soc_pcm_runtime *fe,
+ int stream, struct snd_soc_dapm_widget_list **list)
{
struct snd_soc_dai *cpu_dai = fe->cpu_dai;
- struct snd_soc_dapm_widget_list *list;
int paths;
- list = kzalloc(sizeof(struct snd_soc_dapm_widget_list) +
- sizeof(struct snd_soc_dapm_widget *), GFP_KERNEL);
- if (list == NULL)
- return -ENOMEM;
-
/* get number of valid DAI paths and their widgets */
- paths = snd_soc_dapm_dai_get_connected_widgets(cpu_dai, stream, &list);
+ paths = snd_soc_dapm_dai_get_connected_widgets(cpu_dai, stream, list);
dev_dbg(fe->dev, "ASoC: found %d audio %s paths\n", paths,
stream ? "capture" : "playback");
- *list_ = list;
return paths;
}
-static inline void dpcm_path_put(struct snd_soc_dapm_widget_list **list)
-{
- kfree(*list);
-}
-
static int dpcm_prune_paths(struct snd_soc_pcm_runtime *fe, int stream,
struct snd_soc_dapm_widget_list **list_)
{
/* Destroy any old FE <--> BE connections */
list_for_each_entry(dpcm, &fe->dpcm[stream].be_clients, list_be) {
+ unsigned int i;
/* is there a valid CPU DAI widget for this BE */
- widget = rtd_get_cpu_widget(dpcm->be, stream);
+ widget = dai_get_widget(dpcm->be->cpu_dai, stream);
/* prune the BE if it's no longer in our active list */
if (widget && widget_in_list(list, widget))
continue;
/* is there a valid CODEC DAI widget for this BE */
- widget = rtd_get_codec_widget(dpcm->be, stream);
+ for (i = 0; i < dpcm->be->num_codecs; i++) {
+ struct snd_soc_dai *dai = dpcm->be->codec_dais[i];
+ widget = dai_get_widget(dai, stream);
- /* prune the BE if it's no longer in our active list */
- if (widget && widget_in_list(list, widget))
- continue;
+ /* prune the BE if it's no longer in our active list */
+ if (widget && widget_in_list(list, widget))
+ continue;
+ }
dev_dbg(fe->dev, "ASoC: pruning %s BE %s for %s\n",
stream ? "capture" : "playback",
switch (list->widgets[i]->id) {
case snd_soc_dapm_dai_in:
+ if (stream != SNDRV_PCM_STREAM_PLAYBACK)
+ continue;
+ break;
case snd_soc_dapm_dai_out:
+ if (stream != SNDRV_PCM_STREAM_CAPTURE)
+ continue;
break;
default:
continue;
continue;
/* don't connect if FE is not running */
- if (!fe->dpcm[stream].runtime)
+ if (!fe->dpcm[stream].runtime && !fe->fe_compr)
continue;
/* newly connected FE and BE */
* Find the corresponding BE DAIs that source or sink audio to this
* FE substream.
*/
-static int dpcm_process_paths(struct snd_soc_pcm_runtime *fe,
+int dpcm_process_paths(struct snd_soc_pcm_runtime *fe,
int stream, struct snd_soc_dapm_widget_list **list, int new)
{
if (new)
return dpcm_prune_paths(fe, stream, list);
}
-static void dpcm_clear_pending_state(struct snd_soc_pcm_runtime *fe, int stream)
+void dpcm_clear_pending_state(struct snd_soc_pcm_runtime *fe, int stream)
{
struct snd_soc_dpcm *dpcm;
}
}
-static int dpcm_be_dai_startup(struct snd_soc_pcm_runtime *fe, int stream)
+int dpcm_be_dai_startup(struct snd_soc_pcm_runtime *fe, int stream)
{
struct snd_soc_dpcm *dpcm;
int err, count = 0;
struct snd_pcm_substream *be_substream =
snd_soc_dpcm_get_substream(be, stream);
+ if (!be_substream) {
+ dev_err(be->dev, "ASoC: no backend %s stream\n",
+ stream ? "capture" : "playback");
+ continue;
+ }
+
/* is this op for this BE ? */
if (!snd_soc_dpcm_be_can_update(fe, be, stream))
continue;
(be->dpcm[stream].state != SND_SOC_DPCM_STATE_CLOSE))
continue;
- dev_dbg(be->dev, "ASoC: open BE %s\n", be->dai_link->name);
+ dev_dbg(be->dev, "ASoC: open %s BE %s\n",
+ stream ? "capture" : "playback", be->dai_link->name);
be_substream->runtime = be->dpcm[stream].runtime;
err = soc_pcm_open(be_substream);
return err;
}
+static void dpcm_init_runtime_hw(struct snd_pcm_runtime *runtime,
+ struct snd_soc_pcm_stream *stream,
+ u64 formats)
+{
+ runtime->hw.rate_min = stream->rate_min;
+ runtime->hw.rate_max = stream->rate_max;
+ runtime->hw.channels_min = stream->channels_min;
+ runtime->hw.channels_max = stream->channels_max;
+ if (runtime->hw.formats)
+ runtime->hw.formats &= formats & stream->formats;
+ else
+ runtime->hw.formats = formats & stream->formats;
+ runtime->hw.rates = stream->rates;
+}
+
+static u64 dpcm_runtime_base_format(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *fe = substream->private_data;
+ struct snd_soc_dpcm *dpcm;
+ u64 formats = ULLONG_MAX;
+ int stream = substream->stream;
+
+ if (!fe->dai_link->dpcm_merged_format)
+ return formats;
+
+ /*
+ * It returns merged BE codec format
+ * if FE want to use it (= dpcm_merged_format)
+ */
+
+ list_for_each_entry(dpcm, &fe->dpcm[stream].be_clients, list_be) {
+ struct snd_soc_pcm_runtime *be = dpcm->be;
+ struct snd_soc_dai_driver *codec_dai_drv;
+ struct snd_soc_pcm_stream *codec_stream;
+ int i;
+
+ for (i = 0; i < be->num_codecs; i++) {
+ codec_dai_drv = be->codec_dais[i]->driver;
+ if (stream == SNDRV_PCM_STREAM_PLAYBACK)
+ codec_stream = &codec_dai_drv->playback;
+ else
+ codec_stream = &codec_dai_drv->capture;
+
+ formats &= codec_stream->formats;
+ }
+ }
+
+ return formats;
+}
+
static void dpcm_set_fe_runtime(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
struct snd_soc_dai_driver *cpu_dai_drv = cpu_dai->driver;
+ u64 format = dpcm_runtime_base_format(substream);
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
- runtime->hw.rate_min = cpu_dai_drv->playback.rate_min;
- runtime->hw.rate_max = cpu_dai_drv->playback.rate_max;
- runtime->hw.channels_min = cpu_dai_drv->playback.channels_min;
- runtime->hw.channels_max = cpu_dai_drv->playback.channels_max;
- runtime->hw.formats &= cpu_dai_drv->playback.formats;
- runtime->hw.rates = cpu_dai_drv->playback.rates;
- } else {
- runtime->hw.rate_min = cpu_dai_drv->capture.rate_min;
- runtime->hw.rate_max = cpu_dai_drv->capture.rate_max;
- runtime->hw.channels_min = cpu_dai_drv->capture.channels_min;
- runtime->hw.channels_max = cpu_dai_drv->capture.channels_max;
- runtime->hw.formats &= cpu_dai_drv->capture.formats;
- runtime->hw.rates = cpu_dai_drv->capture.rates;
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ dpcm_init_runtime_hw(runtime, &cpu_dai_drv->playback, format);
+ else
+ dpcm_init_runtime_hw(runtime, &cpu_dai_drv->capture, format);
+}
+
+static int dpcm_fe_dai_do_trigger(struct snd_pcm_substream *substream, int cmd);
+
+/* Set FE's runtime_update state; the state is protected via PCM stream lock
+ * for avoiding the race with trigger callback.
+ * If the state is unset and a trigger is pending while the previous operation,
+ * process the pending trigger action here.
+ */
+static void dpcm_set_fe_update_state(struct snd_soc_pcm_runtime *fe,
+ int stream, enum snd_soc_dpcm_update state)
+{
+ struct snd_pcm_substream *substream =
+ snd_soc_dpcm_get_substream(fe, stream);
+
+ snd_pcm_stream_lock_irq(substream);
+ if (state == SND_SOC_DPCM_UPDATE_NO && fe->dpcm[stream].trigger_pending) {
+ dpcm_fe_dai_do_trigger(substream,
+ fe->dpcm[stream].trigger_pending - 1);
+ fe->dpcm[stream].trigger_pending = 0;
}
+ fe->dpcm[stream].runtime_update = state;
+ snd_pcm_stream_unlock_irq(substream);
}
static int dpcm_fe_dai_startup(struct snd_pcm_substream *fe_substream)
struct snd_pcm_runtime *runtime = fe_substream->runtime;
int stream = fe_substream->stream, ret = 0;
- fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE;
+ dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_FE);
ret = dpcm_be_dai_startup(fe, fe_substream->stream);
if (ret < 0) {
dpcm_set_fe_runtime(fe_substream);
snd_pcm_limit_hw_rates(runtime);
- fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO;
+ dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_NO);
return 0;
unwind:
dpcm_be_dai_startup_unwind(fe, fe_substream->stream);
be_err:
- fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO;
+ dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_NO);
return ret;
}
-static int dpcm_be_dai_shutdown(struct snd_soc_pcm_runtime *fe, int stream)
+int dpcm_be_dai_shutdown(struct snd_soc_pcm_runtime *fe, int stream)
{
struct snd_soc_dpcm *dpcm;
struct snd_soc_pcm_runtime *fe = substream->private_data;
int stream = substream->stream;
- fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE;
+ dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_FE);
/* shutdown the BEs */
dpcm_be_dai_shutdown(fe, substream->stream);
dpcm_dapm_stream_event(fe, stream, SND_SOC_DAPM_STREAM_STOP);
fe->dpcm[stream].state = SND_SOC_DPCM_STATE_CLOSE;
- fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO;
+ dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_NO);
return 0;
}
-static int dpcm_be_dai_hw_free(struct snd_soc_pcm_runtime *fe, int stream)
+int dpcm_be_dai_hw_free(struct snd_soc_pcm_runtime *fe, int stream)
{
struct snd_soc_dpcm *dpcm;
if (!snd_soc_dpcm_can_be_free_stop(fe, be, stream))
continue;
+ /* do not free hw if this BE is used by other FE */
+ if (be->dpcm[stream].users > 1)
+ continue;
+
if ((be->dpcm[stream].state != SND_SOC_DPCM_STATE_HW_PARAMS) &&
(be->dpcm[stream].state != SND_SOC_DPCM_STATE_PREPARE) &&
(be->dpcm[stream].state != SND_SOC_DPCM_STATE_HW_FREE) &&
(be->dpcm[stream].state != SND_SOC_DPCM_STATE_PAUSED) &&
- (be->dpcm[stream].state != SND_SOC_DPCM_STATE_STOP))
+ (be->dpcm[stream].state != SND_SOC_DPCM_STATE_STOP) &&
+ (be->dpcm[stream].state != SND_SOC_DPCM_STATE_SUSPEND))
continue;
dev_dbg(be->dev, "ASoC: hw_free BE %s\n",
int err, stream = substream->stream;
mutex_lock_nested(&fe->card->mutex, SND_SOC_CARD_CLASS_RUNTIME);
- fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE;
+ dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_FE);
dev_dbg(fe->dev, "ASoC: hw_free FE %s\n", fe->dai_link->name);
err = dpcm_be_dai_hw_free(fe, stream);
fe->dpcm[stream].state = SND_SOC_DPCM_STATE_HW_FREE;
- fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO;
+ dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_NO);
mutex_unlock(&fe->card->mutex);
return 0;
}
-static int dpcm_be_dai_hw_params(struct snd_soc_pcm_runtime *fe, int stream)
+int dpcm_be_dai_hw_params(struct snd_soc_pcm_runtime *fe, int stream)
{
struct snd_soc_dpcm *dpcm;
int ret;
int ret, stream = substream->stream;
mutex_lock_nested(&fe->card->mutex, SND_SOC_CARD_CLASS_RUNTIME);
- fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE;
+ dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_FE);
memcpy(&fe->dpcm[substream->stream].hw_params, params,
sizeof(struct snd_pcm_hw_params));
fe->dpcm[stream].state = SND_SOC_DPCM_STATE_HW_PARAMS;
out:
- fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO;
+ dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_NO);
mutex_unlock(&fe->card->mutex);
return ret;
}
return ret;
}
-static int dpcm_be_dai_trigger(struct snd_soc_pcm_runtime *fe, int stream,
+int dpcm_be_dai_trigger(struct snd_soc_pcm_runtime *fe, int stream,
int cmd)
{
struct snd_soc_dpcm *dpcm;
be->dpcm[stream].state = SND_SOC_DPCM_STATE_STOP;
break;
case SNDRV_PCM_TRIGGER_SUSPEND:
- if (be->dpcm[stream].state != SND_SOC_DPCM_STATE_STOP)
+ if (be->dpcm[stream].state != SND_SOC_DPCM_STATE_START)
continue;
if (!snd_soc_dpcm_can_be_free_stop(fe, be, stream))
}
EXPORT_SYMBOL_GPL(dpcm_be_dai_trigger);
-static int dpcm_fe_dai_trigger(struct snd_pcm_substream *substream, int cmd)
+static int dpcm_fe_dai_do_trigger(struct snd_pcm_substream *substream, int cmd)
{
struct snd_soc_pcm_runtime *fe = substream->private_data;
int stream = substream->stream, ret;
return ret;
}
-static int dpcm_be_dai_prepare(struct snd_soc_pcm_runtime *fe, int stream)
+static int dpcm_fe_dai_trigger(struct snd_pcm_substream *substream, int cmd)
+{
+ struct snd_soc_pcm_runtime *fe = substream->private_data;
+ int stream = substream->stream;
+
+ /* if FE's runtime_update is already set, we're in race;
+ * process this trigger later at exit
+ */
+ if (fe->dpcm[stream].runtime_update != SND_SOC_DPCM_UPDATE_NO) {
+ fe->dpcm[stream].trigger_pending = cmd + 1;
+ return 0; /* delayed, assuming it's successful */
+ }
+
+ /* we're alone, let's trigger */
+ return dpcm_fe_dai_do_trigger(substream, cmd);
+}
+
+int dpcm_be_dai_prepare(struct snd_soc_pcm_runtime *fe, int stream)
{
struct snd_soc_dpcm *dpcm;
int ret = 0;
dev_dbg(fe->dev, "ASoC: prepare FE %s\n", fe->dai_link->name);
- fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE;
+ dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_FE);
/* there is no point preparing this FE if there are no BEs */
if (list_empty(&fe->dpcm[stream].be_clients)) {
fe->dpcm[stream].state = SND_SOC_DPCM_STATE_PREPARE;
out:
- fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO;
+ dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_NO);
mutex_unlock(&fe->card->mutex);
return ret;
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_platform *platform = rtd->platform;
- if (platform->driver->ops->ioctl)
+ if (platform->driver->ops && platform->driver->ops->ioctl)
return platform->driver->ops->ioctl(substream, cmd, arg);
return snd_pcm_lib_ioctl(substream, cmd, arg);
}
{
int ret;
- fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_BE;
+ dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_BE);
ret = dpcm_run_update_startup(fe, stream);
if (ret < 0)
dev_err(fe->dev, "ASoC: failed to startup some BEs\n");
- fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO;
+ dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_NO);
return ret;
}
{
int ret;
- fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_BE;
+ dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_BE);
ret = dpcm_run_update_shutdown(fe, stream);
if (ret < 0)
dev_err(fe->dev, "ASoC: failed to shutdown some BEs\n");
- fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO;
+ dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_NO);
return ret;
}
/* Called by DAPM mixer/mux changes to update audio routing between PCMs and
* any DAI links.
*/
-int soc_dpcm_runtime_update(struct snd_soc_dapm_widget *widget)
+int soc_dpcm_runtime_update(struct snd_soc_card *card)
{
- struct snd_soc_card *card;
int i, old, new, paths;
- if (widget->codec)
- card = widget->codec->card;
- else if (widget->platform)
- card = widget->platform->card;
- else
- return -EINVAL;
-
mutex_lock_nested(&card->mutex, SND_SOC_CARD_CLASS_RUNTIME);
for (i = 0; i < card->num_rtd; i++) {
struct snd_soc_dapm_widget_list *list;
fe->dai_link->name);
/* skip if FE doesn't have playback capability */
- if (!fe->cpu_dai->driver->playback.channels_min)
+ if (!fe->cpu_dai->driver->playback.channels_min
+ || !fe->codec_dai->driver->playback.channels_min)
+ goto capture;
+
+ /* skip if FE isn't currently playing */
+ if (!fe->cpu_dai->playback_active
+ || !fe->codec_dai->playback_active)
goto capture;
paths = dpcm_path_get(fe, SNDRV_PCM_STREAM_PLAYBACK, &list);
dpcm_be_disconnect(fe, SNDRV_PCM_STREAM_PLAYBACK);
}
+ dpcm_path_put(&list);
capture:
/* skip if FE doesn't have capture capability */
- if (!fe->cpu_dai->driver->capture.channels_min)
+ if (!fe->cpu_dai->driver->capture.channels_min
+ || !fe->codec_dai->driver->capture.channels_min)
+ continue;
+
+ /* skip if FE isn't currently capturing */
+ if (!fe->cpu_dai->capture_active
+ || !fe->codec_dai->capture_active)
continue;
paths = dpcm_path_get(fe, SNDRV_PCM_STREAM_CAPTURE, &list);
list_for_each_entry(dpcm, clients, list_be) {
struct snd_soc_pcm_runtime *be = dpcm->be;
- struct snd_soc_dai *dai = be->codec_dai;
- struct snd_soc_dai_driver *drv = dai->driver;
+ int i;
if (be->dai_link->ignore_suspend)
continue;
- dev_dbg(be->dev, "ASoC: BE digital mute %s\n", be->dai_link->name);
+ for (i = 0; i < be->num_codecs; i++) {
+ struct snd_soc_dai *dai = be->codec_dais[i];
+ struct snd_soc_dai_driver *drv = dai->driver;
+
+ dev_dbg(be->dev, "ASoC: BE digital mute %s\n",
+ be->dai_link->name);
- if (drv->ops->digital_mute && dai->playback_active)
+ if (drv->ops && drv->ops->digital_mute &&
+ dai->playback_active)
drv->ops->digital_mute(dai, mute);
+ }
}
return 0;
mutex_lock_nested(&fe->card->mutex, SND_SOC_CARD_CLASS_RUNTIME);
fe->dpcm[stream].runtime = fe_substream->runtime;
- if (dpcm_path_get(fe, stream, &list) <= 0) {
+ ret = dpcm_path_get(fe, stream, &list);
+ if (ret < 0) {
+ mutex_unlock(&fe->card->mutex);
+ return ret;
+ } else if (ret == 0) {
dev_dbg(fe->dev, "ASoC: %s no valid %s route\n",
fe->dai_link->name, stream ? "capture" : "playback");
}
int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num)
{
struct snd_soc_platform *platform = rtd->platform;
- struct snd_soc_dai *codec_dai = rtd->codec_dai;
+ struct snd_soc_dai *codec_dai;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
struct snd_pcm *pcm;
char new_name[64];
int ret = 0, playback = 0, capture = 0;
+ int i;
if (rtd->dai_link->dynamic || rtd->dai_link->no_pcm) {
- if (cpu_dai->driver->playback.channels_min)
- playback = 1;
- if (cpu_dai->driver->capture.channels_min)
- capture = 1;
+ playback = rtd->dai_link->dpcm_playback;
+ capture = rtd->dai_link->dpcm_capture;
} else {
- if (codec_dai->driver->playback.channels_min &&
- cpu_dai->driver->playback.channels_min)
- playback = 1;
- if (codec_dai->driver->capture.channels_min &&
- cpu_dai->driver->capture.channels_min)
- capture = 1;
+ for (i = 0; i < rtd->num_codecs; i++) {
+ codec_dai = rtd->codec_dais[i];
+ if (codec_dai->driver->playback.channels_min)
+ playback = 1;
+ if (codec_dai->driver->capture.channels_min)
+ capture = 1;
+ }
+
+ capture = capture && cpu_dai->driver->capture.channels_min;
+ playback = playback && cpu_dai->driver->playback.channels_min;
+ }
+
+ if (rtd->dai_link->playback_only) {
+ playback = 1;
+ capture = 0;
+ }
+
+ if (rtd->dai_link->capture_only) {
+ playback = 0;
+ capture = 1;
}
/* create the PCM */
rtd->dai_link->stream_name);
else
snprintf(new_name, sizeof(new_name), "%s %s-%d",
- rtd->dai_link->stream_name, codec_dai->name, num);
+ rtd->dai_link->stream_name,
+ (rtd->num_codecs > 1) ?
+ "multicodec" : rtd->codec_dai->name, num);
ret = snd_pcm_new(rtd->card->snd_card, new_name, num, playback,
capture, &pcm);
/* DAPM dai link stream work */
INIT_DELAYED_WORK(&rtd->delayed_work, close_delayed_work);
+ pcm->nonatomic = rtd->dai_link->nonatomic;
rtd->pcm = pcm;
pcm->private_data = rtd;
pcm->private_free = platform->driver->pcm_free;
out:
- dev_info(rtd->card->dev, " %s <-> %s mapping ok\n", codec_dai->name,
- cpu_dai->name);
+ dev_info(rtd->card->dev, "%s <-> %s mapping ok\n",
+ (rtd->num_codecs > 1) ? "multicodec" : rtd->codec_dai->name,
+ cpu_dai->name);
return ret;
}
int snd_soc_platform_trigger(struct snd_pcm_substream *substream,
int cmd, struct snd_soc_platform *platform)
{
- if (platform->driver->ops->trigger)
+ if (platform->driver->ops && platform->driver->ops->trigger)
return platform->driver->ops->trigger(substream, cmd);
return 0;
}
.llseek = default_llseek,
};
-int soc_dpcm_debugfs_add(struct snd_soc_pcm_runtime *rtd)
+void soc_dpcm_debugfs_add(struct snd_soc_pcm_runtime *rtd)
{
if (!rtd->dai_link)
- return 0;
+ return;
+
+ if (!rtd->card->debugfs_card_root)
+ return;
rtd->debugfs_dpcm_root = debugfs_create_dir(rtd->dai_link->name,
rtd->card->debugfs_card_root);
dev_dbg(rtd->dev,
"ASoC: Failed to create dpcm debugfs directory %s\n",
rtd->dai_link->name);
- return -EINVAL;
+ return;
}
rtd->debugfs_dpcm_state = debugfs_create_file("state", 0444,
rtd->debugfs_dpcm_root,
rtd, &dpcm_state_fops);
-
- return 0;
}
#endif
projects / firefly-linux-kernel-4.4.55.git / blobdiff