#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
-#include <sound/soc-dapm.h>
#include <sound/initval.h>
#include <sound/tlv.h>
struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
u16 reg, reg_l, reg_r, dcs_cfg;
- /* Set for 32 series updates */
- snd_soc_update_bits(codec, WM8993_DC_SERVO_1,
- WM8993_DCS_SERIES_NO_01_MASK,
- 32 << WM8993_DCS_SERIES_NO_01_SHIFT);
- wait_for_dc_servo(codec,
- WM8993_DCS_TRIG_SERIES_0 | WM8993_DCS_TRIG_SERIES_1);
+ /* If we're using a digital only path and have a previously
+ * callibrated DC servo offset stored then use that. */
+ if (hubs->class_w && hubs->class_w_dcs) {
+ dev_dbg(codec->dev, "Using cached DC servo offset %x\n",
+ hubs->class_w_dcs);
+ snd_soc_write(codec, WM8993_DC_SERVO_3, hubs->class_w_dcs);
+ wait_for_dc_servo(codec,
+ WM8993_DCS_TRIG_DAC_WR_0 |
+ WM8993_DCS_TRIG_DAC_WR_1);
+ return;
+ }
+
+ /* Devices not using a DCS code correction have startup mode */
+ if (hubs->dcs_codes) {
+ /* Set for 32 series updates */
+ snd_soc_update_bits(codec, WM8993_DC_SERVO_1,
+ WM8993_DCS_SERIES_NO_01_MASK,
+ 32 << WM8993_DCS_SERIES_NO_01_SHIFT);
+ wait_for_dc_servo(codec,
+ WM8993_DCS_TRIG_SERIES_0 |
+ WM8993_DCS_TRIG_SERIES_1);
+ } else {
+ wait_for_dc_servo(codec,
+ WM8993_DCS_TRIG_STARTUP_0 |
+ WM8993_DCS_TRIG_STARTUP_1);
+ }
+
+ /* Different chips in the family support different readback
+ * methods.
+ */
+ switch (hubs->dcs_readback_mode) {
+ case 0:
+ reg_l = snd_soc_read(codec, WM8993_DC_SERVO_READBACK_1)
+ & WM8993_DCS_INTEG_CHAN_0_MASK;
+ reg_r = snd_soc_read(codec, WM8993_DC_SERVO_READBACK_2)
+ & WM8993_DCS_INTEG_CHAN_1_MASK;
+ break;
+ case 1:
+ reg = snd_soc_read(codec, WM8993_DC_SERVO_3);
+ reg_l = (reg & WM8993_DCS_DAC_WR_VAL_1_MASK)
+ >> WM8993_DCS_DAC_WR_VAL_1_SHIFT;
+ reg_r = reg & WM8993_DCS_DAC_WR_VAL_0_MASK;
+ break;
+ default:
+ WARN(1, "Unknown DCS readback method\n");
+ break;
+ }
+
+ dev_dbg(codec->dev, "DCS input: %x %x\n", reg_l, reg_r);
/* Apply correction to DC servo result */
if (hubs->dcs_codes) {
dev_dbg(codec->dev, "Applying %d code DC servo correction\n",
hubs->dcs_codes);
- /* Different chips in the family support different
- * readback methods.
- */
- switch (hubs->dcs_readback_mode) {
- case 0:
- reg_l = snd_soc_read(codec, WM8993_DC_SERVO_READBACK_1)
- & WM8993_DCS_INTEG_CHAN_0_MASK;;
- reg_r = snd_soc_read(codec, WM8993_DC_SERVO_READBACK_2)
- & WM8993_DCS_INTEG_CHAN_1_MASK;
- break;
- case 1:
- reg = snd_soc_read(codec, WM8993_DC_SERVO_3);
- reg_l = (reg & WM8993_DCS_DAC_WR_VAL_1_MASK)
- >> WM8993_DCS_DAC_WR_VAL_1_SHIFT;
- reg_r = reg & WM8993_DCS_DAC_WR_VAL_0_MASK;
- break;
- default:
- WARN(1, "Unknown DCS readback method\n");
- break;
- }
-
- dev_dbg(codec->dev, "DCS input: %x %x\n", reg_l, reg_r);
-
/* HPOUT1L */
if (reg_l + hubs->dcs_codes > 0 &&
reg_l + hubs->dcs_codes < 0xff)
wait_for_dc_servo(codec,
WM8993_DCS_TRIG_DAC_WR_0 |
WM8993_DCS_TRIG_DAC_WR_1);
+ } else {
+ dcs_cfg = reg_l << WM8993_DCS_DAC_WR_VAL_1_SHIFT;
+ dcs_cfg |= reg_r;
}
+
+ /* Save the callibrated offset if we're in class W mode and
+ * therefore don't have any analogue signal mixed in. */
+ if (hubs->class_w)
+ hubs->class_w_dcs = dcs_cfg;
}
/*
ret = snd_soc_put_volsw_2r(kcontrol, ucontrol);
+ /* Updating the analogue gains invalidates the DC servo cache */
+ hubs->class_w_dcs = 0;
+
/* If we're applying an offset correction then updating the
* callibration would be likely to introduce further offsets. */
if (hubs->dcs_codes)
SOC_DOUBLE_R("Speaker ZC Switch",
WM8993_SPEAKER_VOLUME_LEFT, WM8993_SPEAKER_VOLUME_RIGHT,
7, 1, 0),
- SOC_DOUBLE_TLV("Speaker Boost Volume", WM8993_SPKOUT_BOOST, 0, 3, 7, 0,
+ SOC_DOUBLE_TLV("Speaker Boost Volume", WM8993_SPKOUT_BOOST, 3, 0, 7, 0,
spkboost_tlv),
SOC_ENUM("Speaker Reference", speaker_ref),
SOC_ENUM("Speaker Mode", speaker_mode),
int wm_hubs_add_analogue_controls(struct snd_soc_codec *codec)
{
+ struct snd_soc_dapm_context *dapm = &codec->dapm;
+
/* Latch volume update bits & default ZC on */
snd_soc_update_bits(codec, WM8993_LEFT_LINE_INPUT_1_2_VOLUME,
WM8993_IN1_VU, WM8993_IN1_VU);
snd_soc_add_controls(codec, analogue_snd_controls,
ARRAY_SIZE(analogue_snd_controls));
- snd_soc_dapm_new_controls(codec, analogue_dapm_widgets,
+ snd_soc_dapm_new_controls(dapm, analogue_dapm_widgets,
ARRAY_SIZE(analogue_dapm_widgets));
return 0;
}
int wm_hubs_add_analogue_routes(struct snd_soc_codec *codec,
int lineout1_diff, int lineout2_diff)
{
- snd_soc_dapm_add_routes(codec, analogue_routes,
+ struct snd_soc_dapm_context *dapm = &codec->dapm;
+
+ snd_soc_dapm_add_routes(dapm, analogue_routes,
ARRAY_SIZE(analogue_routes));
if (lineout1_diff)
- snd_soc_dapm_add_routes(codec,
+ snd_soc_dapm_add_routes(dapm,
lineout1_diff_routes,
ARRAY_SIZE(lineout1_diff_routes));
else
- snd_soc_dapm_add_routes(codec,
+ snd_soc_dapm_add_routes(dapm,
lineout1_se_routes,
ARRAY_SIZE(lineout1_se_routes));
if (lineout2_diff)
- snd_soc_dapm_add_routes(codec,
+ snd_soc_dapm_add_routes(dapm,
lineout2_diff_routes,
ARRAY_SIZE(lineout2_diff_routes));
else
- snd_soc_dapm_add_routes(codec,
+ snd_soc_dapm_add_routes(dapm,
lineout2_se_routes,
ARRAY_SIZE(lineout2_se_routes));
* VMID as an output and can disable it.
*/
if (lineout1_diff && lineout2_diff)
- codec->idle_bias_off = 1;
+ codec->dapm.idle_bias_off = 1;
if (lineout1fb)
snd_soc_update_bits(codec, WM8993_ADDITIONAL_CONTROL,
#include <linux/slab.h>
#include <sound/ac97_codec.h>
#include <sound/core.h>
+#include <sound/jack.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
-#include <sound/soc-dapm.h>
#include <sound/initval.h>
+#define CREATE_TRACE_POINTS
+#include <trace/events/asoc.h>
+
#define NAME_SIZE 32
static DEFINE_MUTEX(pcm_mutex);
static void soc_init_codec_debugfs(struct snd_soc_codec *codec)
{
- codec->debugfs_codec_root = debugfs_create_dir(codec->name ,
- debugfs_root);
+ struct dentry *debugfs_card_root = codec->card->debugfs_card_root;
+
+ codec->debugfs_codec_root = debugfs_create_dir(codec->name,
+ debugfs_card_root);
if (!codec->debugfs_codec_root) {
printk(KERN_WARNING
"ASoC: Failed to create codec debugfs directory\n");
printk(KERN_WARNING
"ASoC: Failed to create codec register debugfs file\n");
- codec->debugfs_pop_time = debugfs_create_u32("dapm_pop_time", 0644,
- codec->debugfs_codec_root,
- &codec->pop_time);
- if (!codec->debugfs_pop_time)
- printk(KERN_WARNING
- "Failed to create pop time debugfs file\n");
-
- codec->debugfs_dapm = debugfs_create_dir("dapm",
+ codec->dapm.debugfs_dapm = debugfs_create_dir("dapm",
codec->debugfs_codec_root);
- if (!codec->debugfs_dapm)
+ if (!codec->dapm.debugfs_dapm)
printk(KERN_WARNING
"Failed to create DAPM debugfs directory\n");
- snd_soc_dapm_debugfs_init(codec);
+ snd_soc_dapm_debugfs_init(&codec->dapm);
}
static void soc_cleanup_codec_debugfs(struct snd_soc_codec *codec)
.llseek = default_llseek,/* read accesses f_pos */
};
+static void soc_init_card_debugfs(struct snd_soc_card *card)
+{
+ card->debugfs_card_root = debugfs_create_dir(card->name,
+ debugfs_root);
+ if (!card->debugfs_card_root) {
+ dev_warn(card->dev,
+ "ASoC: Failed to create codec debugfs directory\n");
+ return;
+ }
+
+ card->debugfs_pop_time = debugfs_create_u32("dapm_pop_time", 0644,
+ card->debugfs_card_root,
+ &card->pop_time);
+ if (!card->debugfs_pop_time)
+ dev_warn(card->dev,
+ "Failed to create pop time debugfs file\n");
+}
+
+static void soc_cleanup_card_debugfs(struct snd_soc_card *card)
+{
+ debugfs_remove_recursive(card->debugfs_card_root);
+}
+
#else
static inline void soc_init_codec_debugfs(struct snd_soc_codec *codec)
static inline void soc_cleanup_codec_debugfs(struct snd_soc_codec *codec)
{
}
+
+static inline void soc_init_card_debugfs(struct snd_soc_card *card)
+{
+}
+
+static inline void soc_cleanup_card_debugfs(struct snd_soc_card *card)
+{
+}
#endif
#ifdef CONFIG_SND_SOC_AC97_BUS
}
}
- /* Check that the codec and cpu DAI's are compatible */
+ /* 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,
}
/*
- * Free's resources allocated by hw_params, can be called multiple times
+ * Frees resources allocated by hw_params, can be called multiple times
*/
static int soc_pcm_hw_free(struct snd_pcm_substream *substream)
{
if (platform->driver->ops->hw_free)
platform->driver->ops->hw_free(substream);
- /* now free hw params for the DAI's */
+ /* now free hw params for the DAIs */
if (codec_dai->driver->ops->hw_free)
codec_dai->driver->ops->hw_free(substream, codec_dai);
{
struct platform_device *pdev = to_platform_device(dev);
struct snd_soc_card *card = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec;
int i;
/* If the initialization of this soc device failed, there is no codec
/* we're going to block userspace touching us until resume completes */
snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D3hot);
- /* mute any active DAC's */
+ /* mute any active DACs */
for (i = 0; i < card->num_rtd; i++) {
struct snd_soc_dai *dai = card->rtd[i].codec_dai;
struct snd_soc_dai_driver *drv = dai->driver;
/* close any waiting streams and save state */
for (i = 0; i < card->num_rtd; i++) {
run_delayed_work(&card->rtd[i].delayed_work);
- card->rtd[i].codec->suspend_bias_level = card->rtd[i].codec->bias_level;
+ card->rtd[i].codec->dapm.suspend_bias_level = card->rtd[i].codec->dapm.bias_level;
}
for (i = 0; i < card->num_rtd; i++) {
}
/* suspend all CODECs */
- for (i = 0; i < card->num_rtd; i++) {
- struct snd_soc_codec *codec = card->rtd[i].codec;
+ list_for_each_entry(codec, &card->codec_dev_list, card_list) {
/* If there are paths active then the CODEC will be held with
* bias _ON and should not be suspended. */
if (!codec->suspended && codec->driver->suspend) {
- switch (codec->bias_level) {
+ switch (codec->dapm.bias_level) {
case SND_SOC_BIAS_STANDBY:
case SND_SOC_BIAS_OFF:
codec->driver->suspend(codec, PMSG_SUSPEND);
struct snd_soc_card *card =
container_of(work, struct snd_soc_card, deferred_resume_work);
struct platform_device *pdev = to_platform_device(card->dev);
+ struct snd_soc_codec *codec;
int i;
/* our power state is still SNDRV_CTL_POWER_D3hot from suspend time,
cpu_dai->driver->resume(cpu_dai);
}
- for (i = 0; i < card->num_rtd; i++) {
- struct snd_soc_codec *codec = card->rtd[i].codec;
+ list_for_each_entry(codec, &card->codec_dev_list, card_list) {
/* If the CODEC was idle over suspend then it will have been
* left with bias OFF or STANDBY and suspended so we must now
* resume. Otherwise the suspend was suppressed.
*/
if (codec->driver->resume && codec->suspended) {
- switch (codec->bias_level) {
+ switch (codec->dapm.bias_level) {
case SND_SOC_BIAS_STANDBY:
case SND_SOC_BIAS_OFF:
codec->driver->resume(codec);
}
/* Make sure all DAPM widgets are freed */
- snd_soc_dapm_free(codec);
+ snd_soc_dapm_free(&codec->dapm);
soc_cleanup_codec_debugfs(codec);
device_remove_file(&rtd->dev, &dev_attr_codec_reg);
}
}
+static void soc_set_name_prefix(struct snd_soc_card *card,
+ struct snd_soc_codec *codec)
+{
+ int i;
+
+ if (card->codec_conf == NULL)
+ return;
+
+ for (i = 0; i < card->num_configs; i++) {
+ struct snd_soc_codec_conf *map = &card->codec_conf[i];
+ if (map->dev_name && !strcmp(codec->name, map->dev_name)) {
+ codec->name_prefix = map->name_prefix;
+ break;
+ }
+ }
+}
+
static void rtd_release(struct device *dev) {}
static int soc_probe_dai_link(struct snd_soc_card *card, int num)
struct snd_soc_codec *codec = rtd->codec;
struct snd_soc_platform *platform = rtd->platform;
struct snd_soc_dai *codec_dai = rtd->codec_dai, *cpu_dai = rtd->cpu_dai;
+ const char *temp;
int ret;
dev_dbg(card->dev, "probe %s dai link %d\n", card->name, num);
/* probe the CODEC */
if (!codec->probed) {
+ codec->dapm.card = card;
+ soc_set_name_prefix(card, codec);
if (codec->driver->probe) {
ret = codec->driver->probe(codec);
if (ret < 0) {
/* now that all clients have probed, initialise the DAI link */
if (dai_link->init) {
+ /* machine controls, routes and widgets are not prefixed */
+ temp = rtd->codec->name_prefix;
+ rtd->codec->name_prefix = NULL;
ret = dai_link->init(rtd);
if (ret < 0) {
printk(KERN_ERR "asoc: failed to init %s\n", dai_link->stream_name);
return ret;
}
+ rtd->codec->name_prefix = temp;
}
/* Make sure all DAPM widgets are instantiated */
- snd_soc_dapm_new_widgets(codec);
- snd_soc_dapm_sync(codec);
+ snd_soc_dapm_new_widgets(&codec->dapm);
+ snd_soc_dapm_sync(&codec->dapm);
/* register the rtd device */
rtd->dev.release = rtd_release;
}
#endif
+static int soc_probe_aux_dev(struct snd_soc_card *card, int num)
+{
+ struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num];
+ struct snd_soc_pcm_runtime *rtd = &card->rtd_aux[num];
+ struct snd_soc_codec *codec;
+ const char *temp;
+ int ret = -ENODEV;
+
+ /* find CODEC from registered CODECs*/
+ list_for_each_entry(codec, &codec_list, list) {
+ if (!strcmp(codec->name, aux_dev->codec_name)) {
+ if (codec->probed) {
+ dev_err(codec->dev,
+ "asoc: codec already probed");
+ ret = -EBUSY;
+ goto out;
+ }
+ goto found;
+ }
+ }
+ /* codec not found */
+ dev_err(card->dev, "asoc: codec %s not found", aux_dev->codec_name);
+ goto out;
+
+found:
+ if (!try_module_get(codec->dev->driver->owner))
+ return -ENODEV;
+
+ codec->card = card;
+ codec->dapm.card = card;
+
+ soc_set_name_prefix(card, codec);
+ if (codec->driver->probe) {
+ ret = codec->driver->probe(codec);
+ if (ret < 0) {
+ dev_err(codec->dev, "asoc: failed to probe CODEC");
+ return ret;
+ }
+ }
+
+ soc_init_codec_debugfs(codec);
+
+ /* mark codec as probed and add to card codec list */
+ codec->probed = 1;
+ list_add(&codec->card_list, &card->codec_dev_list);
+
+ /* now that all clients have probed, initialise the DAI link */
+ if (aux_dev->init) {
+ /* machine controls, routes and widgets are not prefixed */
+ temp = codec->name_prefix;
+ codec->name_prefix = NULL;
+ ret = aux_dev->init(&codec->dapm);
+ if (ret < 0) {
+ dev_err(codec->dev,
+ "asoc: failed to init %s\n", aux_dev->name);
+ return ret;
+ }
+ codec->name_prefix = temp;
+ }
+
+ /* Make sure all DAPM widgets are instantiated */
+ snd_soc_dapm_new_widgets(&codec->dapm);
+ snd_soc_dapm_sync(&codec->dapm);
+
+ /* register the rtd device */
+ rtd->codec = codec;
+ rtd->card = card;
+ rtd->dev.parent = card->dev;
+ rtd->dev.release = rtd_release;
+ rtd->dev.init_name = aux_dev->name;
+ ret = device_register(&rtd->dev);
+ if (ret < 0) {
+ dev_err(codec->dev,
+ "asoc: failed to register aux runtime device %d\n",
+ ret);
+ return ret;
+ }
+ rtd->dev_registered = 1;
+
+ /* add DAPM sysfs entries for this codec */
+ ret = snd_soc_dapm_sys_add(&rtd->dev);
+ if (ret < 0)
+ dev_err(codec->dev,
+ "asoc: failed to add codec dapm sysfs entries\n");
+
+ /* add codec sysfs entries */
+ ret = device_create_file(&rtd->dev, &dev_attr_codec_reg);
+ if (ret < 0)
+ dev_err(codec->dev, "asoc: failed to add codec sysfs files\n");
+
+out:
+ return ret;
+}
+
+static void soc_remove_aux_dev(struct snd_soc_card *card, int num)
+{
+ struct snd_soc_pcm_runtime *rtd = &card->rtd_aux[num];
+ struct snd_soc_codec *codec = rtd->codec;
+ int err;
+
+ /* unregister the rtd device */
+ if (rtd->dev_registered) {
+ device_unregister(&rtd->dev);
+ rtd->dev_registered = 0;
+ }
+
+ /* remove the CODEC */
+ if (codec && codec->probed) {
+ if (codec->driver->remove) {
+ err = codec->driver->remove(codec);
+ if (err < 0)
+ dev_err(codec->dev,
+ "asoc: failed to remove %s\n",
+ codec->name);
+ }
+
+ /* Make sure all DAPM widgets are freed */
+ snd_soc_dapm_free(&codec->dapm);
+
+ soc_cleanup_codec_debugfs(codec);
+ device_remove_file(&rtd->dev, &dev_attr_codec_reg);
+ codec->probed = 0;
+ list_del(&codec->card_list);
+ module_put(codec->dev->driver->owner);
+ }
+}
+
+static int snd_soc_init_codec_cache(struct snd_soc_codec *codec,
+ enum snd_soc_compress_type compress_type)
+{
+ int ret;
+
+ if (codec->cache_init)
+ return 0;
+
+ /* override the compress_type if necessary */
+ if (compress_type && codec->compress_type != compress_type)
+ codec->compress_type = compress_type;
+ ret = snd_soc_cache_init(codec);
+ if (ret < 0) {
+ dev_err(codec->dev, "Failed to set cache compression type: %d\n",
+ ret);
+ return ret;
+ }
+ codec->cache_init = 1;
+ return 0;
+}
+
static void snd_soc_instantiate_card(struct snd_soc_card *card)
{
struct platform_device *pdev = to_platform_device(card->dev);
+ struct snd_soc_codec *codec;
+ struct snd_soc_codec_conf *codec_conf;
+ enum snd_soc_compress_type compress_type;
int ret, i;
mutex_lock(&card->mutex);
return;
}
+ /* initialize the register cache for each available codec */
+ list_for_each_entry(codec, &codec_list, list) {
+ if (codec->cache_init)
+ continue;
+ /* check to see if we need to override the compress_type */
+ for (i = 0; i < card->num_configs; ++i) {
+ codec_conf = &card->codec_conf[i];
+ if (!strcmp(codec->name, codec_conf->dev_name)) {
+ compress_type = codec_conf->compress_type;
+ if (compress_type && compress_type
+ != codec->compress_type)
+ break;
+ }
+ }
+ if (i == card->num_configs) {
+ /* no need to override the compress_type so
+ * go ahead and do the standard thing */
+ ret = snd_soc_init_codec_cache(codec, 0);
+ if (ret < 0) {
+ mutex_unlock(&card->mutex);
+ return;
+ }
+ continue;
+ }
+ /* override the compress_type with the one supplied in
+ * the machine driver */
+ ret = snd_soc_init_codec_cache(codec, compress_type);
+ if (ret < 0) {
+ mutex_unlock(&card->mutex);
+ return;
+ }
+ }
+
/* card bind complete so register a sound card */
ret = snd_card_create(SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1,
card->owner, 0, &card->snd_card);
}
}
+ for (i = 0; i < card->num_aux_devs; i++) {
+ ret = soc_probe_aux_dev(card, i);
+ if (ret < 0) {
+ pr_err("asoc: failed to add auxiliary devices %s: %d\n",
+ card->name, ret);
+ goto probe_aux_dev_err;
+ }
+ }
+
snprintf(card->snd_card->shortname, sizeof(card->snd_card->shortname),
"%s", card->name);
snprintf(card->snd_card->longname, sizeof(card->snd_card->longname),
mutex_unlock(&card->mutex);
return;
+probe_aux_dev_err:
+ for (i = 0; i < card->num_aux_devs; i++)
+ soc_remove_aux_dev(card, i);
+
probe_dai_err:
for (i = 0; i < card->num_links; i++)
soc_remove_dai_link(card, i);
INIT_LIST_HEAD(&card->codec_dev_list);
INIT_LIST_HEAD(&card->platform_dev_list);
+ soc_init_card_debugfs(card);
+
ret = snd_soc_register_card(card);
if (ret != 0) {
dev_err(&pdev->dev, "Failed to register card\n");
run_delayed_work(&rtd->delayed_work);
}
+ /* remove auxiliary devices */
+ for (i = 0; i < card->num_aux_devs; i++)
+ soc_remove_aux_dev(card, i);
+
/* remove and free each DAI */
for (i = 0; i < card->num_rtd; i++)
soc_remove_dai_link(card, i);
+ soc_cleanup_card_debugfs(card);
+
/* remove the card */
if (card->remove)
card->remove(pdev);
}
EXPORT_SYMBOL_GPL(snd_soc_free_ac97_codec);
+unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg)
+{
+ unsigned int ret;
+
+ ret = codec->read(codec, reg);
+ dev_dbg(codec->dev, "read %x => %x\n", reg, ret);
+ trace_snd_soc_reg_read(codec, reg, ret);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(snd_soc_read);
+
+unsigned int snd_soc_write(struct snd_soc_codec *codec,
+ unsigned int reg, unsigned int val)
+{
+ dev_dbg(codec->dev, "write %x = %x\n", reg, val);
+ trace_snd_soc_reg_write(codec, reg, val);
+ return codec->write(codec, reg, val);
+}
+EXPORT_SYMBOL_GPL(snd_soc_write);
+
/**
* snd_soc_update_bits - update codec register bits
* @codec: audio codec
const struct snd_kcontrol_new *controls, int num_controls)
{
struct snd_card *card = codec->card->snd_card;
+ char prefixed_name[44], *name;
int err, i;
for (i = 0; i < num_controls; i++) {
const struct snd_kcontrol_new *control = &controls[i];
- err = snd_ctl_add(card, snd_soc_cnew(control, codec, NULL));
+ if (codec->name_prefix) {
+ snprintf(prefixed_name, sizeof(prefixed_name), "%s %s",
+ codec->name_prefix, control->name);
+ name = prefixed_name;
+ } else {
+ name = control->name;
+ }
+ err = snd_ctl_add(card, snd_soc_cnew(control, codec, name));
if (err < 0) {
dev_err(codec->dev, "%s: Failed to add %s: %d\n",
- codec->name, control->name, err);
+ codec->name, name, err);
return err;
}
}
if (!card->name || !card->dev)
return -EINVAL;
- card->rtd = kzalloc(sizeof(struct snd_soc_pcm_runtime) * card->num_links,
- GFP_KERNEL);
+ card->rtd = kzalloc(sizeof(struct snd_soc_pcm_runtime) *
+ (card->num_links + card->num_aux_devs),
+ GFP_KERNEL);
if (card->rtd == NULL)
return -ENOMEM;
+ card->rtd_aux = &card->rtd[card->num_links];
for (i = 0; i < card->num_links; i++)
card->rtd[i].dai_link = &card->dai_link[i];
pr_debug("Registered DAI '%s'\n", dai->name);
}
+ mutex_lock(&client_mutex);
snd_soc_instantiate_cards();
+ mutex_unlock(&client_mutex);
return 0;
err:
* @codec: codec to register
*/
int snd_soc_register_codec(struct device *dev,
- struct snd_soc_codec_driver *codec_drv,
- struct snd_soc_dai_driver *dai_drv, int num_dai)
+ const struct snd_soc_codec_driver *codec_drv,
+ struct snd_soc_dai_driver *dai_drv,
+ int num_dai)
{
+ size_t reg_size;
struct snd_soc_codec *codec;
int ret, i;
return -ENOMEM;
}
- /* allocate CODEC register cache */
- if (codec_drv->reg_cache_size && codec_drv->reg_word_size) {
-
- if (codec_drv->reg_cache_default)
- codec->reg_cache = kmemdup(codec_drv->reg_cache_default,
- codec_drv->reg_cache_size * codec_drv->reg_word_size, GFP_KERNEL);
- else
- codec->reg_cache = kzalloc(codec_drv->reg_cache_size *
- codec_drv->reg_word_size, GFP_KERNEL);
-
- if (codec->reg_cache == NULL) {
- kfree(codec->name);
- kfree(codec);
- return -ENOMEM;
- }
- }
-
+ if (codec_drv->compress_type)
+ codec->compress_type = codec_drv->compress_type;
+ else
+ codec->compress_type = SND_SOC_FLAT_COMPRESSION;
+
+ INIT_LIST_HEAD(&codec->dapm.widgets);
+ INIT_LIST_HEAD(&codec->dapm.paths);
+ codec->write = codec_drv->write;
+ codec->read = codec_drv->read;
+ codec->dapm.bias_level = SND_SOC_BIAS_OFF;
+ codec->dapm.dev = dev;
+ codec->dapm.codec = codec;
codec->dev = dev;
codec->driver = codec_drv;
- codec->bias_level = SND_SOC_BIAS_OFF;
codec->num_dai = num_dai;
mutex_init(&codec->mutex);
- INIT_LIST_HEAD(&codec->dapm_widgets);
- INIT_LIST_HEAD(&codec->dapm_paths);
+
+ /* allocate CODEC register cache */
+ if (codec_drv->reg_cache_size && codec_drv->reg_word_size) {
+ reg_size = codec_drv->reg_cache_size * codec_drv->reg_word_size;
+ /* it is necessary to make a copy of the default register cache
+ * because in the case of using a compression type that requires
+ * the default register cache to be marked as __devinitconst the
+ * kernel might have freed the array by the time we initialize
+ * the cache.
+ */
+ codec->reg_def_copy = kmemdup(codec_drv->reg_cache_default,
+ reg_size, GFP_KERNEL);
+ if (!codec->reg_def_copy) {
+ ret = -ENOMEM;
+ goto fail;
+ }
+ }
for (i = 0; i < num_dai; i++) {
fixup_codec_formats(&dai_drv[i].playback);
if (num_dai) {
ret = snd_soc_register_dais(dev, dai_drv, num_dai);
if (ret < 0)
- goto error;
+ goto fail;
}
mutex_lock(&client_mutex);
pr_debug("Registered codec '%s'\n", codec->name);
return 0;
-error:
- if (codec->reg_cache)
- kfree(codec->reg_cache);
+fail:
+ kfree(codec->reg_def_copy);
+ codec->reg_def_copy = NULL;
kfree(codec->name);
kfree(codec);
return ret;
pr_debug("Unregistered codec '%s'\n", codec->name);
- if (codec->reg_cache)
- kfree(codec->reg_cache);
+ snd_soc_cache_exit(codec);
+ kfree(codec->reg_def_copy);
kfree(codec->name);
kfree(codec);
}
projects / firefly-linux-kernel-4.4.55.git / commitdiff