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ASoC: imx: use more robust checking of available streams

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Replace the channels_min check with a check for the relevant substream
being present. Suggested here [1] when mxs implemented the
audio-support.

[1] http://www.spinics.net/lists/arm-kernel/msg133010.html

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Wolfram Sang
2011-08-25 15:54:56 +02:00
committed by Mark Brown
parent d4ba7854c9
commit 35dcf58634
2 changed files with 7 additions and 8 deletions
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4
sound/soc/imx/imx-ssi.c
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@@ -399,14 +399,14 @@ int imx_pcm_new(struct snd_soc_pcm_runtime *rtd)
card->dev->dma_mask = &imx_pcm_dmamask;
if (!card->dev->coherent_dma_mask)
card->dev->coherent_dma_mask = DMA_BIT_MASK(32);
if (dai->driver->playback.channels_min) {
if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) {
ret = imx_pcm_preallocate_dma_buffer(pcm,
SNDRV_PCM_STREAM_PLAYBACK);
if (ret)
goto out;
}
if (dai->driver->capture.channels_min) {
if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream) {
ret = imx_pcm_preallocate_dma_buffer(pcm,
SNDRV_PCM_STREAM_CAPTURE);
if (ret)