Describe what ELD proc interface provides and how to fix incorrect values.
Signed-off-by: Wu Fengguang wfg@linux.intel.com --- Documentation/sound/alsa/Procfile.txt | 10 ++++++++++ 1 file changed, 10 insertions(+)
--- sound-2.6.orig/Documentation/sound/alsa/Procfile.txt +++ sound-2.6/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. +
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