| From | alexander.levin@verizon ... | Subject | [PATCH AUTOSEL for 4.9 038/100] ASoC: STI: Fix reader substream pointer set | Date | Wed, 13 Dec 2017 01:57:31 +0000 |
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From: Arnaud Pouliquen <arnaud.pouliquen@st.com>
[ Upstream commit 3c9d3f1bc2defd418b5933bbc928096c9c686d3b ]
reader->substream is used in IRQ handler for error case but is never set. Set value to pcm substream on DAI startup and clean it on dai shutdown.
Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@st.com> Signed-off-by: Mark Brown <broonie@kernel.org> Signed-off-by: Sasha Levin <alexander.levin@verizon.com> --- sound/soc/sti/uniperif_reader.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/sound/soc/sti/uniperif_reader.c b/sound/soc/sti/uniperif_reader.c index 0e1c3ee56675..9735b4caaed3 100644 --- a/sound/soc/sti/uniperif_reader.c +++ b/sound/soc/sti/uniperif_reader.c @@ -364,6 +364,8 @@ static int uni_reader_startup(struct snd_pcm_substream *substream, struct uniperif *reader = priv->dai_data.uni; int ret; + reader->substream = substream; + if (!UNIPERIF_TYPE_IS_TDM(reader)) return 0; @@ -393,6 +395,7 @@ static void uni_reader_shutdown(struct snd_pcm_substream *substream, /* Stop the reader */ uni_reader_stop(reader); } + reader->substream = NULL; } static const struct snd_soc_dai_ops uni_reader_dai_ops = { -- 2.11.0
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