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 = {