Comment 8 for bug 1332437

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Edward Lin (airken) wrote : Re: [Dell Inspiron 5547] Unable to contorl brightness with fglrx driver on AMD Radeon R7 M260 [1002:6900]

@Po-Hsu,
Please skip comment #7.

Since latest kernel fixes this issue, it should be win8 backlight issue.
Backlight control is moved to gfx after win8.
video.use_native_backlight=1 is set as default after 3.16-r2.

Utopic release should fix this issue.