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 --- 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 5992c6a..93a8df6 100644 --- a/sound/soc/sti/uniperif_reader.c +++ b/sound/soc/sti/uniperif_reader.c @@ -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 = {