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(parent: b18d534) | patch
ACPI / video: ignore BIOS initial backlight value for HP m4
authorAlex Hung <alex.hung@canonical.com>
Tue, 28 May 2013 02:05:09 +0000 (02:05 +0000)
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>
Sat, 1 Jun 2013 21:52:28 +0000 (23:52 +0200)
commit27737bd42e1891a4593969fa537838f4ff1b30ee
tree1080bf4644007de8a2a588ac079d299608efde4btree | snapshot
parentb18d534fdadc955871dc78e48de78e563961136dcommit | diff
ACPI / video: ignore BIOS initial backlight value for HP m4

On HP m4 lapops, BIOS reports minimum backlight on boot and
causes backlight to dim completely. This ignores the initial backlight
values and set to max brightness.

References: https://bugs.launchpad.net/bugs/1184501
Cc: All <stable@vger.kernel.org>
Signed-off-by: Alex Hung <alex.hung@canonical.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
drivers/acpi/video.c diff | blob | history
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