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authorShengjiu Wang <shengjiu.wang@nxp.com>2020-06-12 09:37:49 +0200
committerMark Brown <broonie@kernel.org>2020-06-12 15:18:02 +0200
commita9a21e1eafc94b79502cab8272b392f7f63ef7bb (patch)
tree58cc082b690961e0ea2f2e4b5b2b54723eb659e3 /sound/soc/soc-generic-dmaengine-pcm.c
parentASoC: soc-card: export snd_soc_lookup_component_nolocked (diff)
downloadlinux-a9a21e1eafc94b79502cab8272b392f7f63ef7bb.tar.xz
linux-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/soc/soc-generic-dmaengine-pcm.c')
-rw-r--r--sound/soc/soc-generic-dmaengine-pcm.c12
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)
{