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authorKai Chieh Chuang <kaichieh.chuang@mediatek.com>2018-05-28 10:18:18 +0800
committerMark Brown <broonie@kernel.org>2018-05-29 14:56:34 +0100
commit9c0ac70ad24d76b873c1551e27790c7f6a815d5c (patch)
tree891e13ae14a5629eb69dff1939fa0016ce55c333 /sound
parent6b116dfb4633a7efce7f96355c2d272d8b16f0fb (diff)
downloadlinux-9c0ac70ad24d76b873c1551e27790c7f6a815d5c.tar.bz2
ASoC: dpcm: fix BE dai not hw_free and shutdown
In case, one BE is used by two FE1/FE2 FE1--->BE--> | FE2----] when FE1/FE2 call dpcm_be_dai_hw_free() together the BE users will be 2 (> 1), hence cannot be hw_free the be state will leave at, ex. SND_SOC_DPCM_STATE_STOP later FE1/FE2 call dpcm_be_dai_shutdown(), will be skip due to wrong state. leaving the BE not being hw_free and shutdown. The BE dai will be hw_free later when calling dpcm_be_dai_shutdown() if still in invalid state. Signed-off-by: KaiChieh Chuang <kaichieh.chuang@mediatek.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/soc-pcm.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index 2df4719a84db..2d846b3dd70c 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -1866,8 +1866,10 @@ int dpcm_be_dai_shutdown(struct snd_soc_pcm_runtime *fe, int stream)
continue;
if ((be->dpcm[stream].state != SND_SOC_DPCM_STATE_HW_FREE) &&
- (be->dpcm[stream].state != SND_SOC_DPCM_STATE_OPEN))
- continue;
+ (be->dpcm[stream].state != SND_SOC_DPCM_STATE_OPEN)) {
+ soc_pcm_hw_free(be_substream);
+ be->dpcm[stream].state = SND_SOC_DPCM_STATE_HW_FREE;
+ }
dev_dbg(be->dev, "ASoC: close BE %s\n",
be->dai_link->name);