Hi Seth,
On 03/16/2012 03:41 PM, Seth Forshee wrote:
Apple laptops with hybrid graphics have a device named gmux that is used
for switching between GPUs and backlight control. On many models this is
the only reliable method for controlling the backlight.
This series adds initial support for the gmux device, along with
anciallary support for disabling apple_bl when the gmux device is
detected. Initially only backlight control is supported.
I've done some basic testing on my MBP 5,3 (just setting a few
brightness levels, nothing fancy), and it all works, so feel free to add
my basic
Tested-by: Shea Levy <shea@xxxxxxxxxxxx>
if you wish. Please let me know if you need testing for future gmux
features.
A few questions:
* I'm using nouveau, and with the gmux I have both gmux_backlight
and nv_backlight (which never worked) in /sys/class/backlight, is this
expected?
* Is there anything I can do to test the backlight interface in
addition to setting brightness levels?
* Besides the sysfs backlight interface, are there any other
userspace-visible changes your driver makes that I should test?
Cheers,
Shea Levy
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