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>
diff --git a/sound/soc/imx/imx-pcm-fiq.c b/sound/soc/imx/imx-pcm-fiq.c
index 309c59e..ac790e8 100644
--- a/sound/soc/imx/imx-pcm-fiq.c
+++ b/sound/soc/imx/imx-pcm-fiq.c
@@ -243,23 +243,22 @@
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;