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ASoC: Revert PCM trigger changes 

These have turned up some issues in further testing.

Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Mark Brown 2021-08-30 12:13:46 +01:00
parent 52c64e5f7b
commit 3202e2f5fa
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
2 changed files with 25 additions and 132 deletions
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2
include/sound/soc-dpcm.h
View File

@ -101,8 +101,6 @@ struct snd_soc_dpcm_runtime {
enum snd_soc_dpcm_state state;
int trigger_pending; /* trigger cmd + 1 if pending, 0 if not */
int be_start; /* refcount protected by dpcm_lock */
};
#define for_each_dpcm_fe(be, stream, _dpcm) \

155
sound/soc/soc-pcm.c
View File

@ -1534,7 +1534,7 @@ int dpcm_be_dai_startup(struct snd_soc_pcm_runtime *fe, int stream)
be->dpcm[stream].state = SND_SOC_DPCM_STATE_CLOSE;
goto unwind;
}
be->dpcm[stream].be_start = 0;
be->dpcm[stream].state = SND_SOC_DPCM_STATE_OPEN;
count++;
}
@ -1999,9 +1999,6 @@ int dpcm_be_dai_trigger(struct snd_soc_pcm_runtime *fe, int stream,
struct snd_soc_pcm_runtime *be;
struct snd_soc_dpcm *dpcm;
int ret = 0;
unsigned long flags;
enum snd_soc_dpcm_state state;
bool do_trigger;
for_each_dpcm_be(fe, stream, dpcm) {
struct snd_pcm_substream *be_substream;
@ -2016,180 +2013,78 @@ int dpcm_be_dai_trigger(struct snd_soc_pcm_runtime *fe, int stream,
dev_dbg(be->dev, "ASoC: trigger BE %s cmd %d\n",
be->dai_link->name, cmd);
do_trigger = false;
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
spin_lock_irqsave(&fe->card->dpcm_lock, flags);
if ((be->dpcm[stream].state != SND_SOC_DPCM_STATE_PREPARE) &&
(be->dpcm[stream].state != SND_SOC_DPCM_STATE_STOP) &&
(be->dpcm[stream].state != SND_SOC_DPCM_STATE_PAUSED)) {
spin_unlock_irqrestore(&fe->card->dpcm_lock, flags);
continue;
}
state = be->dpcm[stream].state;
if (be->dpcm[stream].be_start == 0)
do_trigger = true;
be->dpcm[stream].be_start++;
be->dpcm[stream].state = SND_SOC_DPCM_STATE_START;
spin_unlock_irqrestore(&fe->card->dpcm_lock, flags);
if (!do_trigger)
(be->dpcm[stream].state != SND_SOC_DPCM_STATE_PAUSED))
continue;
ret = soc_pcm_trigger(be_substream, cmd);
if (ret) {
spin_lock_irqsave(&fe->card->dpcm_lock, flags);
be->dpcm[stream].state = state;
be->dpcm[stream].be_start--;
spin_unlock_irqrestore(&fe->card->dpcm_lock, flags);
if (ret)
goto end;
}
be->dpcm[stream].state = SND_SOC_DPCM_STATE_START;
break;
case SNDRV_PCM_TRIGGER_RESUME:
spin_lock_irqsave(&fe->card->dpcm_lock, flags);
if (be->dpcm[stream].state != SND_SOC_DPCM_STATE_SUSPEND) {
spin_unlock_irqrestore(&fe->card->dpcm_lock, flags);
continue;
}
state = be->dpcm[stream].state;
if (be->dpcm[stream].be_start == 0)
do_trigger = true;
be->dpcm[stream].be_start++;
be->dpcm[stream].state = SND_SOC_DPCM_STATE_START;
spin_unlock_irqrestore(&fe->card->dpcm_lock, flags);
if (!do_trigger)
if ((be->dpcm[stream].state != SND_SOC_DPCM_STATE_SUSPEND))
continue;
ret = soc_pcm_trigger(be_substream, cmd);
if (ret) {
spin_lock_irqsave(&fe->card->dpcm_lock, flags);
be->dpcm[stream].state = state;
be->dpcm[stream].be_start--;
spin_unlock_irqrestore(&fe->card->dpcm_lock, flags);
if (ret)
goto end;
}
be->dpcm[stream].state = SND_SOC_DPCM_STATE_START;
break;
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
spin_lock_irqsave(&fe->card->dpcm_lock, flags);
if (be->dpcm[stream].state != SND_SOC_DPCM_STATE_PAUSED) {
spin_unlock_irqrestore(&fe->card->dpcm_lock, flags);
continue;
}
state = be->dpcm[stream].state;
if (be->dpcm[stream].be_start == 0)
do_trigger = true;
be->dpcm[stream].be_start++;
be->dpcm[stream].state = SND_SOC_DPCM_STATE_START;
spin_unlock_irqrestore(&fe->card->dpcm_lock, flags);
if (!do_trigger)
if ((be->dpcm[stream].state != SND_SOC_DPCM_STATE_PAUSED))
continue;
ret = soc_pcm_trigger(be_substream, cmd);
if (ret) {
spin_lock_irqsave(&fe->card->dpcm_lock, flags);
be->dpcm[stream].state = state;
be->dpcm[stream].be_start--;
spin_unlock_irqrestore(&fe->card->dpcm_lock, flags);
if (ret)
goto end;
}
be->dpcm[stream].state = SND_SOC_DPCM_STATE_START;
break;
case SNDRV_PCM_TRIGGER_STOP:
spin_lock_irqsave(&fe->card->dpcm_lock, flags);
if ((be->dpcm[stream].state != SND_SOC_DPCM_STATE_START) &&
(be->dpcm[stream].state != SND_SOC_DPCM_STATE_PAUSED)) {
spin_unlock_irqrestore(&fe->card->dpcm_lock, flags);
continue;
}
if ((be->dpcm[stream].state == SND_SOC_DPCM_STATE_START &&
be->dpcm[stream].be_start == 1) ||
(be->dpcm[stream].state == SND_SOC_DPCM_STATE_PAUSED &&
be->dpcm[stream].be_start == 0))
do_trigger = true;
be->dpcm[stream].be_start--;
spin_unlock_irqrestore(&fe->card->dpcm_lock, flags);
if (!do_trigger)
(be->dpcm[stream].state != SND_SOC_DPCM_STATE_PAUSED))
continue;
spin_lock_irqsave(&fe->card->dpcm_lock, flags);
state = be->dpcm[stream].state;
be->dpcm[stream].state = SND_SOC_DPCM_STATE_STOP;
spin_unlock_irqrestore(&fe->card->dpcm_lock, flags);
if (!snd_soc_dpcm_can_be_free_stop(fe, be, stream))
continue;
ret = soc_pcm_trigger(be_substream, cmd);
if (ret) {
spin_lock_irqsave(&fe->card->dpcm_lock, flags);
be->dpcm[stream].state = state;
be->dpcm[stream].be_start++;
spin_unlock_irqrestore(&fe->card->dpcm_lock, flags);
if (ret)
goto end;
}
be->dpcm[stream].state = SND_SOC_DPCM_STATE_STOP;
break;
case SNDRV_PCM_TRIGGER_SUSPEND:
spin_lock_irqsave(&fe->card->dpcm_lock, flags);
if (be->dpcm[stream].state != SND_SOC_DPCM_STATE_START) {
spin_unlock_irqrestore(&fe->card->dpcm_lock, flags);
continue;
}
if (be->dpcm[stream].be_start == 1)
do_trigger = true;
be->dpcm[stream].be_start--;
spin_unlock_irqrestore(&fe->card->dpcm_lock, flags);
if (!do_trigger)
if (be->dpcm[stream].state != SND_SOC_DPCM_STATE_START)
continue;
spin_lock_irqsave(&fe->card->dpcm_lock, flags);
state = be->dpcm[stream].state;
be->dpcm[stream].state = SND_SOC_DPCM_STATE_STOP;
spin_unlock_irqrestore(&fe->card->dpcm_lock, flags);
if (!snd_soc_dpcm_can_be_free_stop(fe, be, stream))
continue;
ret = soc_pcm_trigger(be_substream, cmd);
if (ret) {
spin_lock_irqsave(&fe->card->dpcm_lock, flags);
be->dpcm[stream].state = state;
be->dpcm[stream].be_start++;
spin_unlock_irqrestore(&fe->card->dpcm_lock, flags);
if (ret)
goto end;
}
be->dpcm[stream].state = SND_SOC_DPCM_STATE_SUSPEND;
break;
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
spin_lock_irqsave(&fe->card->dpcm_lock, flags);
if (be->dpcm[stream].state != SND_SOC_DPCM_STATE_START) {
spin_unlock_irqrestore(&fe->card->dpcm_lock, flags);
continue;
}
if (be->dpcm[stream].be_start == 1)
do_trigger = true;
be->dpcm[stream].be_start--;
spin_unlock_irqrestore(&fe->card->dpcm_lock, flags);
if (!do_trigger)
if (be->dpcm[stream].state != SND_SOC_DPCM_STATE_START)
continue;
spin_lock_irqsave(&fe->card->dpcm_lock, flags);
state = be->dpcm[stream].state;
be->dpcm[stream].state = SND_SOC_DPCM_STATE_PAUSED;
spin_unlock_irqrestore(&fe->card->dpcm_lock, flags);
if (!snd_soc_dpcm_can_be_free_stop(fe, be, stream))
continue;
ret = soc_pcm_trigger(be_substream, cmd);
if (ret) {
spin_lock_irqsave(&fe->card->dpcm_lock, flags);
be->dpcm[stream].state = state;
be->dpcm[stream].be_start++;
spin_unlock_irqrestore(&fe->card->dpcm_lock, flags);
if (ret)
goto end;
}
be->dpcm[stream].state = SND_SOC_DPCM_STATE_PAUSED;
break;
}
}