[Bug 72321] 8086:0412 [HP ENVY TouchSmart 23se-d494 All-in-One Desktop PC] No backlight interface
bugzilla-daemon at bugzilla.kernel.org
bugzilla-daemon at bugzilla.kernel.org
Tue Mar 25 02:06:03 PDT 2014
https://bugzilla.kernel.org/show_bug.cgi?id=72321
Jani Nikula <jani.nikula at intel.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEEDINFO |RESOLVED
Resolution|--- |INVALID
--- Comment #13 from Jani Nikula <jani.nikula at intel.com> ---
So basically you have an external HDMI display in the same all-in-one box.
Looking from the outside, it sure looks embedded, but from the hardware and
driver perspective it's an external display.
It is likely that DDC/CI is used for backlight control. See details in an
otherwise unrelated bug [1].
This is not a bug in our driver.
[1] https://bugs.freedesktop.org/show_bug.cgi?id=73156#c14
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