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authorBanajit Goswami <bgoswami@codeaurora.org>2017-07-14 23:15:05 -0700
committerMark Brown <broonie@kernel.org>2017-07-17 15:28:16 +0100
commitb1cd2e34c69a2f3988786af451b6e17967c293a0 (patch)
treef7b3579c1cd73d20ae6fc2200201a47f90ec4be7 /sound
parent5771a8c08880cdca3bfb4a3fc6d309d6bba20877 (diff)
downloadlinux-b1cd2e34c69a2f3988786af451b6e17967c293a0.tar.bz2
ASoC: do not close shared backend dailink
Multiple frontend dailinks may be connected to a backend dailink at the same time. When one of frontend dailinks is closed, the associated backend dailink should not be closed if it is connected to other active frontend dailinks. Change ensures that backend dailink is closed only after all connected frontend dailinks are closed. Signed-off-by: Gopikrishnaiah Anandan <agopik@codeaurora.org> Signed-off-by: Banajit Goswami <bgoswami@codeaurora.org> Signed-off-by: Patrick Lai <plai@codeaurora.org> Signed-off-by: Mark Brown <broonie@kernel.org> Cc: stable@vger.kernel.org
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/soc-pcm.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index dcc5ece08668..93999b8a87d3 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -181,6 +181,10 @@ int dpcm_dapm_stream_event(struct snd_soc_pcm_runtime *fe, int dir,
dev_dbg(be->dev, "ASoC: BE %s event %d dir %d\n",
be->dai_link->name, event, dir);
+ if ((event == SND_SOC_DAPM_STREAM_STOP) &&
+ (be->dpcm[dir].users >= 1))
+ continue;
+
snd_soc_dapm_stream_event(be, dir, event);
}