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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>
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@ -153,6 +153,16 @@ card*/codec#*
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Shows the general codec information and the attribute of each
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widget node.
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card*/eld#*
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Available for HDMI or DisplayPort interfaces.
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Shows ELD(EDID Like Data) info retrieved from the attached HDMI sink,
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and describes its audio capabilities and configurations.
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Some ELD fields may be modified by doing `echo name hex_value > eld#*`.
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Only do this if you are sure the HDMI sink provided value is wrong.
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And if that makes your HDMI audio work, please report to us so that we
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can fix it in future kernel releases.
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Sequencer Information
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---------------------
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