https://bugzilla.kernel.org/show_bug.cgi?id=68631
Bug ID: 68631
Summary: Asus Taichi31 - No second backlight (dark)
Product: ACPI
Version: 2.5
Kernel Version: 3.13-rc7
Hardware: x86-64
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Power-Video
Assignee: acpi_power-vi...@kernel-bugs.osdl.org
Reporter: axel.hu...@web.de
Regression: No
Hi,
I posted my problem already on the linux_acpi mailing list but maybe this is a
better place for it [1].
I am using a Asus Taichi31 with two screens (inside and outside on the lid).
The /sys/class/backlight only shows a acpi_video0 and intel_backlight section
one can manipulate for the "inner" display.
The problem is: the outer display is working but the backlight is unchangeable
set to off (besides that, one can very slightly see that it is indeed creating
a picture).
Do you have any suggestions how one could change that?
Thanks a lot!
Axel
[1] http://marc.info/?l=linux-acpi&m=138938058419187&w=2
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