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ALSA: hdac: Fix to check if stream not in use in release
authorJeeja KP <jeeja.kp@intel.com>
Mon, 5 Oct 2015 14:09:49 +0000 (15:09 +0100)
committerTakashi Iwai <tiwai@suse.de>
Mon, 5 Oct 2015 15:18:56 +0000 (17:18 +0200)
if the stream is decoupled and both link and host are used, while
releasing the stream, need to check if link and host stream are
not in use. This patch adds fix to check if the host/link stream
is in used before coupling it back when releasing the stream.

Signed-off-by: Jeeja KP <jeeja.kp@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/hda/ext/hdac_ext_stream.c

index 4bcebc8..cb89ec7 100644 (file)
@@ -385,14 +385,13 @@ void snd_hdac_ext_stream_release(struct hdac_ext_stream *stream, int type)
                break;
 
        case HDAC_EXT_STREAM_TYPE_HOST:
-               if (stream->decoupled) {
+               if (stream->decoupled && !stream->link_locked)
                        snd_hdac_ext_stream_decouple(ebus, stream, false);
-                       snd_hdac_stream_release(&stream->hstream);
-               }
+               snd_hdac_stream_release(&stream->hstream);
                break;
 
        case HDAC_EXT_STREAM_TYPE_LINK:
-               if (stream->decoupled)
+               if (stream->decoupled && !stream->hstream.opened)
                        snd_hdac_ext_stream_decouple(ebus, stream, false);
                spin_lock_irq(&bus->reg_lock);
                stream->link_locked = 0;