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-rw-r--r--sound/soc/soc-pcm.c103
1 files changed, 85 insertions, 18 deletions
diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index 48f71bb81a2f..0717f39d2eec 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -1999,6 +1999,8 @@ 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;
for_each_dpcm_be(fe, stream, dpcm) {
struct snd_pcm_substream *be_substream;
@@ -2015,76 +2017,141 @@ int dpcm_be_dai_trigger(struct snd_soc_pcm_runtime *fe, int stream,
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))
+ (be->dpcm[stream].state != SND_SOC_DPCM_STATE_PAUSED)) {
+ spin_unlock_irqrestore(&fe->card->dpcm_lock, flags);
continue;
+ }
+ state = be->dpcm[stream].state;
+ be->dpcm[stream].state = SND_SOC_DPCM_STATE_START;
+ spin_unlock_irqrestore(&fe->card->dpcm_lock, flags);
ret = soc_pcm_trigger(be_substream, cmd);
- if (ret)
+ if (ret) {
+ spin_lock_irqsave(&fe->card->dpcm_lock, flags);
+ be->dpcm[stream].state = state;
+ spin_unlock_irqrestore(&fe->card->dpcm_lock, flags);
goto end;
+ }
- be->dpcm[stream].state = SND_SOC_DPCM_STATE_START;
break;
case SNDRV_PCM_TRIGGER_RESUME:
- if ((be->dpcm[stream].state != SND_SOC_DPCM_STATE_SUSPEND))
+ 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;
+ be->dpcm[stream].state = SND_SOC_DPCM_STATE_START;
+ spin_unlock_irqrestore(&fe->card->dpcm_lock, flags);
ret = soc_pcm_trigger(be_substream, cmd);
- if (ret)
+ if (ret) {
+ spin_lock_irqsave(&fe->card->dpcm_lock, flags);
+ be->dpcm[stream].state = state;
+ spin_unlock_irqrestore(&fe->card->dpcm_lock, flags);
goto end;
+ }
- be->dpcm[stream].state = SND_SOC_DPCM_STATE_START;
break;
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
- if ((be->dpcm[stream].state != SND_SOC_DPCM_STATE_PAUSED))
+ 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;
+ be->dpcm[stream].state = SND_SOC_DPCM_STATE_START;
+ spin_unlock_irqrestore(&fe->card->dpcm_lock, flags);
ret = soc_pcm_trigger(be_substream, cmd);
- if (ret)
+ if (ret) {
+ spin_lock_irqsave(&fe->card->dpcm_lock, flags);
+ be->dpcm[stream].state = state;
+ spin_unlock_irqrestore(&fe->card->dpcm_lock, flags);
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))
+ (be->dpcm[stream].state != SND_SOC_DPCM_STATE_PAUSED)) {
+ spin_unlock_irqrestore(&fe->card->dpcm_lock, flags);
continue;
+ }
+ spin_unlock_irqrestore(&fe->card->dpcm_lock, flags);
if (!snd_soc_dpcm_can_be_free_stop(fe, be, stream))
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);
+
ret = soc_pcm_trigger(be_substream, cmd);
- if (ret)
+ if (ret) {
+ spin_lock_irqsave(&fe->card->dpcm_lock, flags);
+ be->dpcm[stream].state = state;
+ spin_unlock_irqrestore(&fe->card->dpcm_lock, flags);
goto end;
+ }
- be->dpcm[stream].state = SND_SOC_DPCM_STATE_STOP;
break;
case SNDRV_PCM_TRIGGER_SUSPEND:
- if (be->dpcm[stream].state != SND_SOC_DPCM_STATE_START)
+ 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;
+ }
+ spin_unlock_irqrestore(&fe->card->dpcm_lock, flags);
if (!snd_soc_dpcm_can_be_free_stop(fe, be, stream))
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);
+
ret = soc_pcm_trigger(be_substream, cmd);
- if (ret)
+ if (ret) {
+ spin_lock_irqsave(&fe->card->dpcm_lock, flags);
+ be->dpcm[stream].state = state;
+ spin_unlock_irqrestore(&fe->card->dpcm_lock, flags);
goto end;
+ }
- be->dpcm[stream].state = SND_SOC_DPCM_STATE_SUSPEND;
break;
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
- if (be->dpcm[stream].state != SND_SOC_DPCM_STATE_START)
+ 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;
+ }
+ spin_unlock_irqrestore(&fe->card->dpcm_lock, flags);
if (!snd_soc_dpcm_can_be_free_stop(fe, be, stream))
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);
+
ret = soc_pcm_trigger(be_substream, cmd);
- if (ret)
+ if (ret) {
+ spin_lock_irqsave(&fe->card->dpcm_lock, flags);
+ be->dpcm[stream].state = state;
+ spin_unlock_irqrestore(&fe->card->dpcm_lock, flags);
goto end;
+ }
- be->dpcm[stream].state = SND_SOC_DPCM_STATE_PAUSED;
break;
}
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-22 11:22:32 +0000