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authorWu Fengguang <wfg@linux.intel.com>2008-11-22 09:40:55 +0800
committerTakashi Iwai <tiwai@suse.de>2008-11-22 11:15:45 +0100
commita5fcf89eff2372b50f2d47fbb3e1f3090f044ee3 (patch)
treed0b0da45f287efa31bba491d609ebcfc64e320a2 /Documentation
parentacb05993881005cdaf5f8291491b4edcb8f60ef3 (diff)
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>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/sound/alsa/Procfile.txt10
1 files changed, 10 insertions, 0 deletions
diff --git a/Documentation/sound/alsa/Procfile.txt b/Documentation/sound/alsa/Procfile.txt
index f738b296440..bba2dbb79d8 100644
--- a/Documentation/sound/alsa/Procfile.txt
+++ b/Documentation/sound/alsa/Procfile.txt
@@ -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
---------------------