ALSA: AACI: use snd_pcm_lib_period_bytes()

Use the helper rather than open-coding this.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

2 files changed, 4 insertions, 3 deletions

diff --git a/sound/arm/aaci.c b/sound/arm/aaci.c
index 1e6d5f6591de..a8f95382a95a 100644
--- a/sound/arm/aaci.c
+++ b/sound/arm/aaci.c
@@ -541,11 +541,11 @@ static int aaci_pcm_prepare(struct snd_pcm_substream *substream)
         struct snd_pcm_runtime *runtime = substream->runtime;
         struct aaci_runtime *aacirun = runtime->private_data;
 
+        aacirun->period = snd_pcm_lib_period_bytes(substream);
         aacirun->start  = runtime->dma_area;
         aacirun->end    = aacirun->start + snd_pcm_lib_buffer_bytes(substream);
         aacirun->ptr    = aacirun->start;
-        aacirun->period =
-        aacirun->bytes  = frames_to_bytes(runtime, runtime->period_size);
+        aacirun->bytes  = aacirun->period;
 
         return 0;
 }
diff --git a/sound/arm/aaci.h b/sound/arm/aaci.h
index 04c4568413f4..198750d6871d 100644
--- a/sound/arm/aaci.h
+++ b/sound/arm/aaci.h
@@ -210,6 +210,8 @@ struct aaci_runtime {
         u32                     cr;
         struct snd_pcm_substream        *substream;
 
+        unsigned int            period; /* byte size of a "period" */
+
         /*
          * PIO support
          */
@@ -217,7 +219,6 @@ struct aaci_runtime {
         void                    *end;
         void                    *ptr;
         int                     bytes;
-        unsigned int            period;
         unsigned int            fifosz;
 };