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| author | Shengjiu Wang <shengjiu.wang@nxp.com> | 2020-06-12 15:37:49 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2020-06-12 14:18:02 +0100 |
| commit | a9a21e1eafc94b79502cab8272b392f7f63ef7bb (patch) | |
| tree | 58cc082b690961e0ea2f2e4b5b2b54723eb659e3 /sound | |
| parent | 6fbea6b6a838f9aa941fe53a3637fd8d8aab1eba (diff) | |
| download | linux-stable-a9a21e1eafc94b79502cab8272b392f7f63ef7bb.tar.gz linux-stable-a9a21e1eafc94b79502cab8272b392f7f63ef7bb.tar.bz2 linux-stable-a9a21e1eafc94b79502cab8272b392f7f63ef7bb.zip | |
ASoC: dmaengine_pcm: export soc_component_to_pcm
In DPCM case, Front-End needs to get the dma chan which has
been requested by Back-End and reuse it.
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Reviewed-by: Nicolin Chen <nicoleotsuka@gmail.com>
Link: https://lore.kernel.org/r/429c6ae1f3c5b47eb893f475d531d71cdcfe34c0.1591947428.git.shengjiu.wang@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/soc-generic-dmaengine-pcm.c | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/sound/soc/soc-generic-dmaengine-pcm.c b/sound/soc/soc-generic-dmaengine-pcm.c index f728309a0833..80a4e71f2d95 100644 --- a/sound/soc/soc-generic-dmaengine-pcm.c +++ b/sound/soc/soc-generic-dmaengine-pcm.c @@ -21,18 +21,6 @@ */ #define SND_DMAENGINE_PCM_FLAG_NO_RESIDUE BIT(31) -struct dmaengine_pcm { - struct dma_chan *chan[SNDRV_PCM_STREAM_LAST + 1]; - const struct snd_dmaengine_pcm_config *config; - struct snd_soc_component component; - unsigned int flags; -}; - -static struct dmaengine_pcm *soc_component_to_pcm(struct snd_soc_component *p) -{ - return container_of(p, struct dmaengine_pcm, component); -} - static struct device *dmaengine_dma_dev(struct dmaengine_pcm *pcm, struct snd_pcm_substream *substream) { |