diff mbox

Applied "ASoC: dpcm: fix BE dai not hw_free and shutdown" to the asoc tree

Message ID E1fNg67-00068C-3o@debutante (mailing list archive)
State New, archived
Headers show

Commit Message

Mark Brown May 29, 2018, 2:59 p.m. UTC
The patch

   ASoC: dpcm: fix BE dai not hw_free and shutdown

has been applied to the asoc tree at


All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent to Linus during
the next merge window (or sooner if it is a bug fix), however if
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From 9c0ac70ad24d76b873c1551e27790c7f6a815d5c Mon Sep 17 00:00:00 2001
From: Kai Chieh Chuang <kaichieh.chuang@mediatek.com>
Date: Mon, 28 May 2018 10:18:18 +0800
Subject: [PATCH] ASoC: dpcm: fix BE dai not hw_free and shutdown

In case, one BE is used by two FE1/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>
 sound/soc/soc-pcm.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)
diff mbox


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)
 		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",