From: Takashi Iwai Date: Mon, 23 Feb 2009 13:14:51 +0000 (+0100) Subject: ALSA: hda - Add an example about pin reconfiguration X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=39c2871eeaeeddcbecee29ec905ec528a057ca52;p=linux-beck.git ALSA: hda - Add an example about pin reconfiguration Signed-off-by: Takashi Iwai --- 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:: 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 ~~~~~~~~~~~~