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ALSA: AACI: use snd_pcm_lib_period_bytes()

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Use the helper rather than open-coding this.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2011-01-13 00:34:08 +00:00
parent f006d8fc53
commit c0dea82c3c
2 changed files with 4 additions and 3 deletions
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4
sound/arm/aaci.c
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@ -541,11 +541,11 @@ static int aaci_pcm_prepare(struct snd_pcm_substream *substream)
struct snd_pcm_runtime *runtime = substream->runtime; struct snd_pcm_runtime *runtime = substream->runtime;
struct aaci_runtime *aacirun = runtime->private_data; struct aaci_runtime *aacirun = runtime->private_data;
aacirun->period = snd_pcm_lib_period_bytes(substream);
aacirun->start = runtime->dma_area; aacirun->start = runtime->dma_area;
aacirun->end = aacirun->start + snd_pcm_lib_buffer_bytes(substream); aacirun->end = aacirun->start + snd_pcm_lib_buffer_bytes(substream);
aacirun->ptr = aacirun->start; aacirun->ptr = aacirun->start;
aacirun->period = aacirun->bytes = aacirun->period;
aacirun->bytes = frames_to_bytes(runtime, runtime->period_size);
return 0; return 0;
} }

3
sound/arm/aaci.h
View file

@ -210,6 +210,8 @@ struct aaci_runtime {
u32 cr; u32 cr;
struct snd_pcm_substream *substream; struct snd_pcm_substream *substream;
unsigned int period; /* byte size of a "period" */
/* /*
* PIO support * PIO support
*/ */
@ -217,7 +219,6 @@ struct aaci_runtime {
void *end; void *end;
void *ptr; void *ptr;
int bytes; int bytes;
unsigned int period;
unsigned int fifosz; unsigned int fifosz;
}; };