tree 34bf166d1f77c0275ad9e95bd8f9495f505ebca9
parent 87eae0761f4d0f0ebe960b198b3e28af671f03e9
author Alex Hung <alex.hung@canonical.com> 1600036443 -0600
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1604570927 +0100

ACPI: video: use ACPI backlight for HP 635 Notebook

commit b226faab4e7890bbbccdf794e8b94276414f9058 upstream.

The default backlight interface is AMD's radeon_bl0 which does not
work on this system, so use the ACPI backlight interface on it
instead.

BugLink: https://bugs.launchpad.net/bugs/1894667
Cc: All applicable <stable@vger.kernel.org>
Signed-off-by: Alex Hung <alex.hung@canonical.com>
[ rjw: Changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>