提交 a5fcf89e 编写于 作者: W Wu Fengguang 提交者: Takashi Iwai

ALSA: hda - document the ELD proc interface

Describe what ELD proc interface provides and how to fix incorrect values.
Signed-off-by: NWu Fengguang <wfg@linux.intel.com>
Signed-off-by: NTakashi Iwai <tiwai@suse.de>
上级 acb05993
...@@ -153,6 +153,16 @@ card*/codec#* ...@@ -153,6 +153,16 @@ card*/codec#*
Shows the general codec information and the attribute of each Shows the general codec information and the attribute of each
widget node. 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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