Commit 6a90d536 authored by Troy Kisky's avatar Troy Kisky Committed by Mark Brown
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ASoC: DaVinci: pcm, constrain buffer size to multiple of period 



The dma setup code assumes that the buffer size is a multiple
of the period size.

Signed-off-by: default avatarTroy Kisky <troy.kisky@boundarydevices.com>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent 9bb74150

sound/soc/davinci/davinci-pcm.c

+5 −0
Original line number Diff line number Diff line
@@ -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)