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| author | Wolfram Sang <w.sang@pengutronix.de> | 2011-08-25 15:54:56 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-08-31 09:42:24 +0100 |
| commit | 35dcf58634cf696966cdec69f62b14a7f49a8c42 (patch) | |
| tree | 641e6b41e21e8a341bbd92f7c170e7dc9533ad3d /sound/soc/imx/imx-pcm-fiq.c | |
| parent | d4ba7854c9ea388e83731ee4b3c6546076f70f9d (diff) | |
| download | linux-35dcf58634cf696966cdec69f62b14a7f49a8c42.tar.gz | |
ASoC: imx: use more robust checking of available streams
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>
Diffstat (limited to 'sound/soc/imx/imx-pcm-fiq.c')
| -rw-r--r-- | sound/soc/imx/imx-pcm-fiq.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/sound/soc/imx/imx-pcm-fiq.c b/sound/soc/imx/imx-pcm-fiq.c index 309c59e6fb6c..ac790e87e231 100644 --- a/sound/soc/imx/imx-pcm-fiq.c +++ b/sound/soc/imx/imx-pcm-fiq.c @@ -243,23 +243,22 @@ static int imx_pcm_fiq_new(struct snd_soc_pcm_runtime *rtd) struct snd_card *card = rtd->card->snd_card; struct snd_soc_dai *dai = rtd->cpu_dai; struct snd_pcm *pcm = rtd->pcm; + struct snd_pcm_substream *substream; int ret; ret = imx_pcm_new(rtd); if (ret) return ret; - if (dai->driver->playback.channels_min) { - struct snd_pcm_substream *substream = - pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; + substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; + if (substream) { struct snd_dma_buffer *buf = &substream->dma_buffer; imx_ssi_fiq_tx_buffer = (unsigned long)buf->area; } - if (dai->driver->capture.channels_min) { - struct snd_pcm_substream *substream = - pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; + substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; + if (substream) { struct snd_dma_buffer *buf = &substream->dma_buffer; imx_ssi_fiq_rx_buffer = (unsigned long)buf->area; |