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Diffstat (limited to 'sound/soc/soc-pcm.c')
-rw-r--r--sound/soc/soc-pcm.c54
1 files changed, 44 insertions, 10 deletions
diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index 03f36e534050..22946493a11f 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -954,10 +954,13 @@ static int soc_pcm_hw_params(struct snd_pcm_substream *substream,
codec_params = *params;
/* fixup params based on TDM slot masks */
- if (codec_dai->tx_mask)
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK &&
+ codec_dai->tx_mask)
soc_pcm_codec_params_fixup(&codec_params,
codec_dai->tx_mask);
- if (codec_dai->rx_mask)
+
+ if (substream->stream == SNDRV_PCM_STREAM_CAPTURE &&
+ codec_dai->rx_mask)
soc_pcm_codec_params_fixup(&codec_params,
codec_dai->rx_mask);
@@ -1209,6 +1212,7 @@ static int dpcm_be_connect(struct snd_soc_pcm_runtime *fe,
struct snd_soc_pcm_runtime *be, int stream)
{
struct snd_soc_dpcm *dpcm;
+ unsigned long flags;
/* only add new dpcms */
for_each_dpcm_be(fe, stream, dpcm) {
@@ -1224,8 +1228,10 @@ static int dpcm_be_connect(struct snd_soc_pcm_runtime *fe,
dpcm->fe = fe;
be->dpcm[stream].runtime = fe->dpcm[stream].runtime;
dpcm->state = SND_SOC_DPCM_LINK_STATE_NEW;
+ spin_lock_irqsave(&fe->card->dpcm_lock, flags);
list_add(&dpcm->list_be, &fe->dpcm[stream].be_clients);
list_add(&dpcm->list_fe, &be->dpcm[stream].fe_clients);
+ spin_unlock_irqrestore(&fe->card->dpcm_lock, flags);
dev_dbg(fe->dev, "connected new DPCM %s path %s %s %s\n",
stream ? "capture" : "playback", fe->dai_link->name,
@@ -1271,6 +1277,7 @@ static void dpcm_be_reparent(struct snd_soc_pcm_runtime *fe,
void dpcm_be_disconnect(struct snd_soc_pcm_runtime *fe, int stream)
{
struct snd_soc_dpcm *dpcm, *d;
+ unsigned long flags;
for_each_dpcm_be_safe(fe, stream, dpcm, d) {
dev_dbg(fe->dev, "ASoC: BE %s disconnect check for %s\n",
@@ -1290,8 +1297,10 @@ void dpcm_be_disconnect(struct snd_soc_pcm_runtime *fe, int stream)
#ifdef CONFIG_DEBUG_FS
debugfs_remove(dpcm->debugfs_state);
#endif
+ spin_lock_irqsave(&fe->card->dpcm_lock, flags);
list_del(&dpcm->list_be);
list_del(&dpcm->list_fe);
+ spin_unlock_irqrestore(&fe->card->dpcm_lock, flags);
kfree(dpcm);
}
}
@@ -1543,10 +1552,13 @@ int dpcm_process_paths(struct snd_soc_pcm_runtime *fe,
void dpcm_clear_pending_state(struct snd_soc_pcm_runtime *fe, int stream)
{
struct snd_soc_dpcm *dpcm;
+ unsigned long flags;
+ spin_lock_irqsave(&fe->card->dpcm_lock, flags);
for_each_dpcm_be(fe, stream, dpcm)
dpcm->be->dpcm[stream].runtime_update =
SND_SOC_DPCM_UPDATE_NO;
+ spin_unlock_irqrestore(&fe->card->dpcm_lock, flags);
}
static void dpcm_be_dai_startup_unwind(struct snd_soc_pcm_runtime *fe,
@@ -1895,10 +1907,15 @@ static int dpcm_apply_symmetry(struct snd_pcm_substream *fe_substream,
struct snd_soc_pcm_runtime *be = dpcm->be;
struct snd_pcm_substream *be_substream =
snd_soc_dpcm_get_substream(be, stream);
- struct snd_soc_pcm_runtime *rtd = be_substream->private_data;
+ struct snd_soc_pcm_runtime *rtd;
struct snd_soc_dai *codec_dai;
int i;
+ /* A backend may not have the requested substream */
+ if (!be_substream)
+ continue;
+
+ rtd = be_substream->private_data;
if (rtd->dai_link->be_hw_params_fixup)
continue;
@@ -2567,6 +2584,7 @@ static int dpcm_run_update_startup(struct snd_soc_pcm_runtime *fe, int stream)
struct snd_soc_dpcm *dpcm;
enum snd_soc_dpcm_trigger trigger = fe->dai_link->trigger[stream];
int ret;
+ unsigned long flags;
dev_dbg(fe->dev, "ASoC: runtime %s open on FE %s\n",
stream ? "capture" : "playback", fe->dai_link->name);
@@ -2636,11 +2654,13 @@ close:
dpcm_be_dai_shutdown(fe, stream);
disconnect:
/* disconnect any non started BEs */
+ spin_lock_irqsave(&fe->card->dpcm_lock, flags);
for_each_dpcm_be(fe, stream, dpcm) {
struct snd_soc_pcm_runtime *be = dpcm->be;
if (be->dpcm[stream].state != SND_SOC_DPCM_STATE_START)
dpcm->state = SND_SOC_DPCM_LINK_STATE_FREE;
}
+ spin_unlock_irqrestore(&fe->card->dpcm_lock, flags);
return ret;
}
@@ -3216,7 +3236,10 @@ int snd_soc_dpcm_can_be_free_stop(struct snd_soc_pcm_runtime *fe,
{
struct snd_soc_dpcm *dpcm;
int state;
+ int ret = 1;
+ unsigned long flags;
+ spin_lock_irqsave(&fe->card->dpcm_lock, flags);
for_each_dpcm_fe(be, stream, dpcm) {
if (dpcm->fe == fe)
@@ -3225,12 +3248,15 @@ int snd_soc_dpcm_can_be_free_stop(struct snd_soc_pcm_runtime *fe,
state = dpcm->fe->dpcm[stream].state;
if (state == SND_SOC_DPCM_STATE_START ||
state == SND_SOC_DPCM_STATE_PAUSED ||
- state == SND_SOC_DPCM_STATE_SUSPEND)
- return 0;
+ state == SND_SOC_DPCM_STATE_SUSPEND) {
+ ret = 0;
+ break;
+ }
}
+ spin_unlock_irqrestore(&fe->card->dpcm_lock, flags);
/* it's safe to free/stop this BE DAI */
- return 1;
+ return ret;
}
EXPORT_SYMBOL_GPL(snd_soc_dpcm_can_be_free_stop);
@@ -3243,7 +3269,10 @@ int snd_soc_dpcm_can_be_params(struct snd_soc_pcm_runtime *fe,
{
struct snd_soc_dpcm *dpcm;
int state;
+ int ret = 1;
+ unsigned long flags;
+ spin_lock_irqsave(&fe->card->dpcm_lock, flags);
for_each_dpcm_fe(be, stream, dpcm) {
if (dpcm->fe == fe)
@@ -3253,12 +3282,15 @@ int snd_soc_dpcm_can_be_params(struct snd_soc_pcm_runtime *fe,
if (state == SND_SOC_DPCM_STATE_START ||
state == SND_SOC_DPCM_STATE_PAUSED ||
state == SND_SOC_DPCM_STATE_SUSPEND ||
- state == SND_SOC_DPCM_STATE_PREPARE)
- return 0;
+ state == SND_SOC_DPCM_STATE_PREPARE) {
+ ret = 0;
+ break;
+ }
}
+ spin_unlock_irqrestore(&fe->card->dpcm_lock, flags);
/* it's safe to change hw_params */
- return 1;
+ return ret;
}
EXPORT_SYMBOL_GPL(snd_soc_dpcm_can_be_params);
@@ -3297,6 +3329,7 @@ static ssize_t dpcm_show_state(struct snd_soc_pcm_runtime *fe,
struct snd_pcm_hw_params *params = &fe->dpcm[stream].hw_params;
struct snd_soc_dpcm *dpcm;
ssize_t offset = 0;
+ unsigned long flags;
/* FE state */
offset += snprintf(buf + offset, size - offset,
@@ -3324,6 +3357,7 @@ static ssize_t dpcm_show_state(struct snd_soc_pcm_runtime *fe,
goto out;
}
+ spin_lock_irqsave(&fe->card->dpcm_lock, flags);
for_each_dpcm_be(fe, stream, dpcm) {
struct snd_soc_pcm_runtime *be = dpcm->be;
params = &dpcm->hw_params;
@@ -3344,7 +3378,7 @@ static ssize_t dpcm_show_state(struct snd_soc_pcm_runtime *fe,
params_channels(params),
params_rate(params));
}
-
+ spin_unlock_irqrestore(&fe->card->dpcm_lock, flags);
out:
return offset;
}
generated by cgit v1.2.3 (git 2.0.4) at 2025-05-14 09:54:36 +0000