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authorTakashi Iwai <tiwai@suse.de>2009-02-23 14:14:51 +0100
committerTakashi Iwai <tiwai@suse.de>2009-02-23 14:14:51 +0100
commit39c2871eeaeeddcbecee29ec905ec528a057ca52 (patch)
tree14736b0a6bbb2f8cd63bf274a0543a51c7a6aac2 /Documentation/sound
parent5e7b8e0d87091ae21b291588817b5359a5e00795 (diff)
ALSA: hda - Add an example about pin reconfiguration
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'Documentation/sound')
-rw-r--r--Documentation/sound/alsa/HD-Audio.txt8
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/sound/alsa/HD-Audio.txt b/Documentation/sound/alsa/HD-Audio.txt
index a4e5ef87af6..99958be7b45 100644
--- a/Documentation/sound/alsa/HD-Audio.txt
+++ b/Documentation/sound/alsa/HD-Audio.txt
@@ -391,6 +391,14 @@ clear::
Resets the codec, removes the mixer elements and PCM stuff of the
specified codec, and clear all init verbs and hints.
+For example, when you want to change the pin default configuration
+value of the pin widget 0x14 to 0x9993013f, and let the driver
+re-configure based on that state, run like below:
+------------------------------------------------------------------------
+ # echo 0x14 0x9993013f > /sys/class/sound/hwC0D0/user_pin_configs
+ # echo 1 > /sys/class/sound/hwC0D0/reconfig
+------------------------------------------------------------------------
+
Power-Saving
~~~~~~~~~~~~