diff --git a/sound/soc/davinci/davinci-pcm.c b/sound/soc/davinci/davinci-pcm.c index 8fd0c3cdc710c8d70199686cfbd8bfb13f3e86ab..ab43a539c11de04b458e4baf837a66439e3a87bc 100644 --- a/sound/soc/davinci/davinci-pcm.c +++ b/sound/soc/davinci/davinci-pcm.c @@ -244,6 +244,11 @@ static int davinci_pcm_open(struct snd_pcm_substream *substream) int ret = 0; snd_soc_set_runtime_hwparams(substream, &davinci_pcm_hardware); + /* ensure that buffer size is a multiple of period size */ + ret = snd_pcm_hw_constraint_integer(runtime, + SNDRV_PCM_HW_PARAM_PERIODS); + if (ret < 0) + return ret; prtd = kzalloc(sizeof(struct davinci_runtime_data), GFP_KERNEL); if (prtd == NULL)