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Commit 39c2871e authored by Takashi Iwai's avatar Takashi Iwai
Browse files

ALSA: hda - Add an example about pin reconfiguration 



Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 5e7b8e0d

Documentation/sound/alsa/HD-Audio.txt

+8 −0
Original line number Diff line number Diff line
@@ -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  

------------------------------------------------------------------------





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