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Diffstat (limited to 'sound/soc/ti/davinci-mcasp.c')
-rw-r--r--sound/soc/ti/davinci-mcasp.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/sound/soc/ti/davinci-mcasp.c b/sound/soc/ti/davinci-mcasp.c
index 1e760c3155..2b1ed91a73 100644
--- a/sound/soc/ti/davinci-mcasp.c
+++ b/sound/soc/ti/davinci-mcasp.c
@@ -1472,10 +1472,11 @@ static int davinci_mcasp_hw_rule_min_periodsize(
{
struct snd_interval *period_size = hw_param_interval(params,
SNDRV_PCM_HW_PARAM_PERIOD_SIZE);
+ u8 numevt = *((u8 *)rule->private);
struct snd_interval frames;
snd_interval_any(&frames);
- frames.min = 64;
+ frames.min = numevt;
frames.integer = 1;
return snd_interval_refine(period_size, &frames);
@@ -1490,6 +1491,7 @@ static int davinci_mcasp_startup(struct snd_pcm_substream *substream,
u32 max_channels = 0;
int i, dir, ret;
int tdm_slots = mcasp->tdm_slots;
+ u8 *numevt;
/* Do not allow more then one stream per direction */
if (mcasp->substreams[substream->stream])
@@ -1589,9 +1591,12 @@ static int davinci_mcasp_startup(struct snd_pcm_substream *substream,
return ret;
}
+ numevt = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) ?
+ &mcasp->txnumevt :
+ &mcasp->rxnumevt;
snd_pcm_hw_rule_add(substream->runtime, 0,
SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
- davinci_mcasp_hw_rule_min_periodsize, NULL,
+ davinci_mcasp_hw_rule_min_periodsize, numevt,
SNDRV_PCM_HW_PARAM_PERIOD_SIZE, -1);
return 0;