[Intel-gfx] BACKLIGHT property for KMS case

[Matthew Garrett]

On Tue, Aug 18, 2009 at 10:13:37AM +0800, ykzhao wrote:

> Yes. If the brightness can be adjusted through two different interfaces,
> there exists the inconsistence. So we had better expose only one
> backlight interface under /sys/class/backlight. 

Right. So we can't just use the LBC. We need to check whether the BLC 
registers are also in use.

-- 
Matthew Garrett | mjg59 at srcf.ucam.org