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authorVijendar Mukunda <vijendar.mukunda@amd.com>2021-07-16 15:30:12 +0300
committerMark Brown <broonie@kernel.org>2021-07-16 15:54:58 +0300
commit59dd33f82dc0975c55d3d46801e7ca45532d7673 (patch)
tree677d5ddee187d73755fc0422428433b223d32a5a /include/sound/soc.h
parentf99986c0fcad8e1d7d842e9a636f55bcc6748da5 (diff)
downloadlinux-59dd33f82dc0975c55d3d46801e7ca45532d7673.tar.xz
ASoC: soc-pcm: add a flag to reverse the stop sequence
On stream stop, currently CPU DAI stop sequence invoked first followed by DMA. For Few platforms, it is required to stop the DMA first before stopping CPU DAI. Introduced new flag in dai_link structure for reordering stop sequence. Based on flag check, ASoC core will re-order the stop sequence. Fixes: 4378f1fbe92405 ("ASoC: soc-pcm: Use different sequence for start/stop trigger") Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com> Link: https://lore.kernel.org/r/20210716123015.15697-1-vijendar.mukunda@amd.com Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'include/sound/soc.h')
-rw-r--r--include/sound/soc.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/sound/soc.h b/include/sound/soc.h
index 675849d07284..8e6dd8a257c5 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -712,6 +712,12 @@ struct snd_soc_dai_link {
/* Do not create a PCM for this DAI link (Backend link) */
unsigned int ignore:1;
+ /* This flag will reorder stop sequence. By enabling this flag
+ * DMA controller stop sequence will be invoked first followed by
+ * CPU DAI driver stop sequence
+ */
+ unsigned int stop_dma_first:1;
+
#ifdef CONFIG_SND_SOC_TOPOLOGY
struct snd_soc_dobj dobj; /* For topology */
#endif