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authorTakashi Iwai <tiwai@suse.de>2010-05-20 11:59:52 +0200
committerTakashi Iwai <tiwai@suse.de>2010-05-20 11:59:52 +0200
commit19008bdacb9f7841166ebafe0aef361ee582ffbf (patch)
tree8fddf106217c83fae4bf84e90f8b5cdf90d12068 /Documentation/sound
parent9ce3db4e7949a394bad0de91883b5e786c17607a (diff)
parentfbc256692eac29e04cf87e45736d7ff149180a52 (diff)
downloadlinux-linaro-android-19008bdacb9f7841166ebafe0aef361ee582ffbf.tar.gz
Merge branch 'topic/hda' into for-linus
Diffstat (limited to 'Documentation/sound')
-rw-r--r--Documentation/sound/alsa/HD-Audio.txt4
1 files changed, 3 insertions, 1 deletions
diff --git a/Documentation/sound/alsa/HD-Audio.txt b/Documentation/sound/alsa/HD-Audio.txt
index 98d14cb8a85..bdafdbd3256 100644
--- a/Documentation/sound/alsa/HD-Audio.txt
+++ b/Documentation/sound/alsa/HD-Audio.txt
@@ -204,7 +204,6 @@ generic parser regardless of the codec. Usually the codec-specific
parser is much better than the generic parser (as now). Thus this
option is more about the debugging purpose.
-
Speaker and Headphone Output
~~~~~~~~~~~~~~~~~~~~~~~~~~~~
One of the most frequent (and obvious) bugs with HD-audio is the
@@ -600,6 +599,9 @@ probing, the proc file is available, so you can get the raw codec
information before modified by the driver. Of course, the driver
isn't usable with `probe_only=1`. But you can continue the
configuration via hwdep sysfs file if hda-reconfig option is enabled.
+Using `probe_only` mask 2 skips the reset of HDA codecs (use
+`probe_only=3` as module option). The hwdep interface can be used
+to determine the BIOS codec initialization.
hda-verb