aboutsummaryrefslogtreecommitdiffstats
path: root/sound/pci/hda/hda_codec.h
diff options
context:
space:
mode:
authorTakashi Iwai <tiwai@suse.de>2009-01-12 04:09:24 -0500
committerTakashi Iwai <tiwai@suse.de>2009-01-12 04:33:56 -0500
commit6acaed38a32e8571e92cfc832b971f9e4450c207 (patch)
treea3d4bff13d946744b38dce3f48ad530d23e74bf7 /sound/pci/hda/hda_codec.h
parent4b558991049c12689e5fd645222864b8a80730f1 (diff)
ALSA: hda - Use own workqueue
snd-hda-intel driver used schedule_work() fot the delayed DMA pointer updates, but this has several potential problems: - it may block other eventsd works longer - it may deadlock when probing fails and flush_scheduled_work() is called during probe callback (as probe callback itself could be invoked from eventd) This patch adds an own workq for each driver instance to solve these problems. Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/hda/hda_codec.h')
-rw-r--r--sound/pci/hda/hda_codec.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h
index e9c723e13e5d..5810ef588402 100644
--- a/sound/pci/hda/hda_codec.h
+++ b/sound/pci/hda/hda_codec.h
@@ -614,6 +614,7 @@ struct hda_bus {
614 614
615 /* unsolicited event queue */ 615 /* unsolicited event queue */
616 struct hda_bus_unsolicited *unsol; 616 struct hda_bus_unsolicited *unsol;
617 struct workqueue_struct *workq; /* common workqueue for codecs */
617 618
618 /* assigned PCMs */ 619 /* assigned PCMs */
619 DECLARE_BITMAP(pcm_dev_bits, SNDRV_PCM_DEVICES); 620 DECLARE_BITMAP(pcm_dev_bits, SNDRV_PCM_DEVICES);