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ALSA: hda - Add an example about pin reconfiguration

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Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Takashi Iwai 2009-02-23 14:14:51 +01:00
parent 5e7b8e0d87
commit 39c2871eea
1 changed files with 8 additions and 0 deletions
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8
Documentation/sound/alsa/HD-Audio.txt
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@ -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
~~~~~~~~~~~~