From a5fcf89eff2372b50f2d47fbb3e1f3090f044ee3 Mon Sep 17 00:00:00 2001 From: Wu Fengguang Date: Sat, 22 Nov 2008 09:40:55 +0800 Subject: [PATCH] ALSA: hda - document the ELD proc interface Describe what ELD proc interface provides and how to fix incorrect values. Signed-off-by: Wu Fengguang Signed-off-by: Takashi Iwai --- Documentation/sound/alsa/Procfile.txt | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/Documentation/sound/alsa/Procfile.txt b/Documentation/sound/alsa/Procfile.txt index f738b296440a..bba2dbb79d81 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 --------------------- -- 2.20.1