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ALSA: aw2: Use guard() for mutex locks

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Replace the manual mutex lock/unlock pairs with guard() for code
simplification.

Only code refactoring, and no behavior change.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20250829144342.4290-13-tiwai@suse.de
This commit is contained in:
Takashi Iwai
2025-08-29 16:42:47 +02:00
parent 5f7e725e02
commit ca10ce1caf
1 changed files with 2 additions and 6 deletions
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8
sound/pci/aw2/aw2-alsa.c
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@@ -347,7 +347,7 @@ static int snd_aw2_pcm_prepare_playback(struct snd_pcm_substream *substream)
struct snd_pcm_runtime *runtime = substream->runtime;
unsigned long period_size, buffer_size;
mutex_lock(&chip->mtx);
guard(mutex)(&chip->mtx);
period_size = snd_pcm_lib_period_bytes(substream);
buffer_size = snd_pcm_lib_buffer_bytes(substream);
@@ -363,8 +363,6 @@ static int snd_aw2_pcm_prepare_playback(struct snd_pcm_substream *substream)
snd_pcm_period_elapsed,
(void *)substream);
mutex_unlock(&chip->mtx);
return 0;
}
@@ -376,7 +374,7 @@ static int snd_aw2_pcm_prepare_capture(struct snd_pcm_substream *substream)
struct snd_pcm_runtime *runtime = substream->runtime;
unsigned long period_size, buffer_size;
mutex_lock(&chip->mtx);
guard(mutex)(&chip->mtx);
period_size = snd_pcm_lib_period_bytes(substream);
buffer_size = snd_pcm_lib_buffer_bytes(substream);
@@ -392,8 +390,6 @@ static int snd_aw2_pcm_prepare_capture(struct snd_pcm_substream *substream)
snd_pcm_period_elapsed,
(void *)substream);
mutex_unlock(&chip->mtx);
return 0;
}