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authorTakashi Iwai <tiwai@suse.de>2009-02-23 08:14:51 -0500
committerTakashi Iwai <tiwai@suse.de>2009-02-23 08:14:51 -0500
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 a4e5ef87af6b..99958be7b454 100644
--- a/Documentation/sound/alsa/HD-Audio.txt
+++ b/Documentation/sound/alsa/HD-Audio.txt
@@ -391,6 +391,14 @@ clear::
391 Resets the codec, removes the mixer elements and PCM stuff of the 391 Resets the codec, removes the mixer elements and PCM stuff of the
392 specified codec, and clear all init verbs and hints. 392 specified codec, and clear all init verbs and hints.
393 393
394For example, when you want to change the pin default configuration
395value of the pin widget 0x14 to 0x9993013f, and let the driver
396re-configure based on that state, run like below:
397------------------------------------------------------------------------
398 # echo 0x14 0x9993013f > /sys/class/sound/hwC0D0/user_pin_configs
399 # echo 1 > /sys/class/sound/hwC0D0/reconfig
400------------------------------------------------------------------------
401
394 402
395Power-Saving 403Power-Saving
396~~~~~~~~~~~~ 404~~~~~~~~~~~~