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ASoC: STI: Fix reader substream pointer set 

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>
This commit is contained in:
Arnaud Pouliquen 2017-03-23 19:39:54 +01:00 committed by Mark Brown
parent a5de5b74a5
commit 3c9d3f1bc2
1 changed files with 3 additions and 0 deletions
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3
sound/soc/sti/uniperif_reader.c
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@ -349,6 +349,8 @@ 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;
@ -378,6 +380,7 @@ 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 = {