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-rw-r--r--sound/hda/hdac_stream.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/sound/hda/hdac_stream.c b/sound/hda/hdac_stream.c
index f5dd288..76e9b41 100644
--- a/sound/hda/hdac_stream.c
+++ b/sound/hda/hdac_stream.c
@@ -95,7 +95,10 @@ void snd_hdac_stream_start(struct hdac_stream *azx_dev, bool fresh_start)
1 << azx_dev->index,
1 << azx_dev->index);
/* set stripe control */
- stripe_ctl = snd_hdac_get_stream_stripe_ctl(bus, azx_dev->substream);
+ if (azx_dev->substream)
+ stripe_ctl = snd_hdac_get_stream_stripe_ctl(bus, azx_dev->substream);
+ else
+ stripe_ctl = 0;
snd_hdac_stream_updateb(azx_dev, SD_CTL_3B, SD_CTL_STRIPE_MASK,
stripe_ctl);
/* set DMA start and interrupt mask */

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