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ALSA: hda - document the ELD proc interface 

Describe what ELD proc interface provides and how to fix incorrect values.

Signed-off-by: Wu Fengguang <wfg@linux.intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Wu Fengguang 2008-11-22 09:40:55 +08:00 committed by Takashi Iwai
parent acb0599388
commit a5fcf89eff
1 changed files with 10 additions and 0 deletions
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10
Documentation/sound/alsa/Procfile.txt
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@ -153,6 +153,16 @@ card*/codec#*
Shows the general codec information and the attribute of each
widget node.
card*/eld#*
Available for HDMI or DisplayPort interfaces.
Shows ELD(EDID Like Data) info retrieved from the attached HDMI sink,
and describes its audio capabilities and configurations.
Some ELD fields may be modified by doing `echo name hex_value > eld#*`.
Only do this if you are sure the HDMI sink provided value is wrong.
And if that makes your HDMI audio work, please report to us so that we
can fix it in future kernel releases.
Sequencer Information
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