diff options
| author | Wolfram Sang <w.sang@pengutronix.de> | 2011-08-25 15:54:56 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-08-31 10:42:24 +0200 |
| commit | 35dcf58634cf696966cdec69f62b14a7f49a8c42 (patch) | |
| tree | 641e6b41e21e8a341bbd92f7c170e7dc9533ad3d | |
| parent | ASoC: imx-ssi: use dma_writecombine consistently (diff) | |
| download | linux-35dcf58634cf696966cdec69f62b14a7f49a8c42.tar.xz linux-35dcf58634cf696966cdec69f62b14a7f49a8c42.zip | |
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>
| -rw-r--r-- | sound/soc/imx/imx-pcm-fiq.c | 11 | ||||
| -rw-r--r-- | sound/soc/imx/imx-ssi.c | 4 |
2 files changed, 7 insertions, 8 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; diff --git a/sound/soc/imx/imx-ssi.c b/sound/soc/imx/imx-ssi.c index 3b8d5cd2516a..4297cb6af42e 100644 --- a/sound/soc/imx/imx-ssi.c +++ b/sound/soc/imx/imx-ssi.c @@ -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) |