[Bug 73252] New: [Baytrail-M] brightness can't be adjusted
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Fri Jan 3 01:45:14 PST 2014
https://bugs.freedesktop.org/show_bug.cgi?id=73252
Priority: medium
Bug ID: 73252
CC: intel-gfx-bugs at lists.freedesktop.org
Assignee: intel-gfx-bugs at lists.freedesktop.org
Summary: [Baytrail-M] brightness can't be adjusted
QA Contact: intel-gfx-bugs at lists.freedesktop.org
Severity: normal
Classification: Unclassified
OS: Linux (All)
Reporter: evawang at linpus.com
Hardware: x86-64 (AMD64)
Status: NEW
Version: XOrg CVS
Component: DRM/Intel
Product: DRI
brightness can't be adjusted on Baytrail-M.
We will call ACPI _BCM method to notify BIOS and BIOS generate ASLE interrupt
to VGA controller offset 0xE4. but there is no method to receive and handle
this interrupt in i915. this only happens on Baytrail-M platform. please help
to check. Thanks!
kernel: 3.13-RC6
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