{
struct hda_codec_preset_list *tbl;
const struct hda_codec_preset *preset;
- int mod_requested = 0;
+ unsigned int mod_requested = 0;
if (is_generic_config(codec))
return NULL; /* use the generic parser */
AC_VERB_GET_SUBSYSTEM_ID, 0);
}
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+ codec->d3_stop_clk = snd_hda_codec_get_supported_ps(codec,
+ codec->afg ? codec->afg : codec->mfg,
+ AC_PWRST_CLKSTOP);
+ if (!codec->d3_stop_clk)
+ bus->power_keep_link_on = 1;
+#endif
codec->epss = snd_hda_codec_get_supported_ps(codec,
codec->afg ? codec->afg : codec->mfg,
AC_PWRST_EPSS);
int count;
unsigned int state;
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+ codec->d3_stop_clk_ok = 0;
+#endif
+
if (codec->patch_ops.set_power_state) {
codec->patch_ops.set_power_state(codec, fg, power_state);
return;
if (!(state & AC_PWRST_ERROR))
break;
}
+
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+ if ((power_state == AC_PWRST_D3)
+ && codec->d3_stop_clk && (state & AC_PWRST_CLK_STOP_OK))
+ codec->d3_stop_clk_ok = 1;
+#endif
}
#ifdef CONFIG_SND_HDA_HWDEP
snd_hda_codec_resume_amp(codec);
snd_hda_codec_resume_cache(codec);
}
+ snd_hda_jack_report_sync(codec);
snd_hda_power_down(codec); /* flag down before returning */
}
#endif /* CONFIG_PM */
err = codec->patch_ops.build_controls(codec);
if (err < 0)
return err;
+ snd_hda_jack_report_sync(codec); /* call at the last init point */
return 0;
}
*
* This function returns 0 if successful, or a negative error code.
*/
-int __devinit snd_hda_build_pcms(struct hda_bus *bus)
+int snd_hda_build_pcms(struct hda_bus *bus)
{
struct hda_codec *codec;
hda_call_codec_suspend(codec);
if (bus->ops.pm_notify)
- bus->ops.pm_notify(bus);
+ bus->ops.pm_notify(bus, codec);
}
static void hda_keep_power_on(struct hda_codec *codec)
/* Transition to powered up, if wait_power_down then wait for a pending
* transition to D3 to complete. A pending D3 transition is indicated
* with power_transition == -1. */
+/* call this with codec->power_lock held! */
static void __snd_hda_power_up(struct hda_codec *codec, bool wait_power_down)
{
struct hda_bus *bus = codec->bus;
- spin_lock(&codec->power_lock);
- codec->power_count++;
/* Return if power_on or transitioning to power_on, unless currently
* powering down. */
if ((codec->power_on || codec->power_transition > 0) &&
- !(wait_power_down && codec->power_transition < 0)) {
- spin_unlock(&codec->power_lock);
+ !(wait_power_down && codec->power_transition < 0))
return;
- }
spin_unlock(&codec->power_lock);
cancel_delayed_work_sync(&codec->power_work);
if (codec->power_on) {
if (codec->power_transition < 0)
codec->power_transition = 0;
- spin_unlock(&codec->power_lock);
return;
}
+
trace_hda_power_up(codec);
snd_hda_update_power_acct(codec);
codec->power_on = 1;
spin_unlock(&codec->power_lock);
if (bus->ops.pm_notify)
- bus->ops.pm_notify(bus);
+ bus->ops.pm_notify(bus, codec);
hda_call_codec_resume(codec);
spin_lock(&codec->power_lock);
codec->power_transition = 0;
- spin_unlock(&codec->power_lock);
-}
-
-/**
- * snd_hda_power_up - Power-up the codec
- * @codec: HD-audio codec
- *
- * Increment the power-up counter and power up the hardware really when
- * not turned on yet.
- */
-void snd_hda_power_up(struct hda_codec *codec)
-{
- __snd_hda_power_up(codec, false);
}
-EXPORT_SYMBOL_HDA(snd_hda_power_up);
-
-/**
- * snd_hda_power_up_d3wait - Power-up the codec after waiting for any pending
- * D3 transition to complete. This differs from snd_hda_power_up() when
- * power_transition == -1. snd_hda_power_up sees this case as a nop,
- * snd_hda_power_up_d3wait waits for the D3 transition to complete then powers
- * back up.
- * @codec: HD-audio codec
- *
- * Cancel any power down operation hapenning on the work queue, then power up.
- */
-void snd_hda_power_up_d3wait(struct hda_codec *codec)
-{
- /* This will cancel and wait for pending power_work to complete. */
- __snd_hda_power_up(codec, true);
-}
-EXPORT_SYMBOL_HDA(snd_hda_power_up_d3wait);
#define power_save(codec) \
((codec)->bus->power_save ? *(codec)->bus->power_save : 0)
-/**
- * snd_hda_power_down - Power-down the codec
- * @codec: HD-audio codec
- *
- * Decrement the power-up counter and schedules the power-off work if
- * the counter rearches to zero.
- */
-void snd_hda_power_down(struct hda_codec *codec)
+/* Transition to powered down */
+static void __snd_hda_power_down(struct hda_codec *codec)
{
- spin_lock(&codec->power_lock);
- --codec->power_count;
- if (!codec->power_on || codec->power_count || codec->power_transition) {
- spin_unlock(&codec->power_lock);
+ if (!codec->power_on || codec->power_count || codec->power_transition)
return;
- }
+
if (power_save(codec)) {
codec->power_transition = -1; /* avoid reentrance */
queue_delayed_work(codec->bus->workq, &codec->power_work,
msecs_to_jiffies(power_save(codec) * 1000));
}
+}
+
+/**
+ * snd_hda_power_save - Power-up/down/sync the codec
+ * @codec: HD-audio codec
+ * @delta: the counter delta to change
+ *
+ * Change the power-up counter via @delta, and power up or down the hardware
+ * appropriately. For the power-down, queue to the delayed action.
+ * Passing zero to @delta means to synchronize the power state.
+ */
+void snd_hda_power_save(struct hda_codec *codec, int delta, bool d3wait)
+{
+ spin_lock(&codec->power_lock);
+ codec->power_count += delta;
+ trace_hda_power_count(codec);
+ if (delta > 0)
+ __snd_hda_power_up(codec, d3wait);
+ else
+ __snd_hda_power_down(codec);
spin_unlock(&codec->power_lock);
}
-EXPORT_SYMBOL_HDA(snd_hda_power_down);
+EXPORT_SYMBOL_HDA(snd_hda_power_save);
/**
* snd_hda_check_amp_list_power - Check the amp list and update the power
projects / firefly-linux-kernel-4.4.55.git / blobdiff