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[04/14] ALSA: hdac: couple the hda DMA stream in cleanup

Message ID 1449816267-11910-5-git-send-email-vinod.koul@intel.com (mailing list archive)
State Accepted
Commit 88888155c555487037b894a97a2a4c6a8155cda0
Headers show

Commit Message

Vinod Koul Dec. 11, 2015, 6:44 a.m. UTC 
From: Jeeja KP <jeeja.kp@intel.com>

A stream is by default in coupled mode, in DSP operation we move
it to decoupled mode. On cleanup HW expects that we leave it back
to default state so couple the DMA on cleanup.

Signed-off-by: Jeeja KP <jeeja.kp@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
---
 sound/hda/ext/hdac_ext_stream.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/sound/hda/ext/hdac_ext_stream.c b/sound/hda/ext/hdac_ext_stream.c
index 8f30e8836818..023cc4cad5c1 100644
--- a/sound/hda/ext/hdac_ext_stream.c
+++ b/sound/hda/ext/hdac_ext_stream.c
@@ -111,6 +111,7 @@  void snd_hdac_stream_free_all(struct hdac_ext_bus *ebus)
 	while (!list_empty(&bus->stream_list)) {
 		s = list_first_entry(&bus->stream_list, struct hdac_stream, list);
 		stream = stream_to_hdac_ext_stream(s);
+		snd_hdac_ext_stream_decouple(ebus, stream, false);
 		list_del(&s->list);
 		kfree(stream);
 	}