[Intel-gfx] [PATCH v2] drm/i915: backlight control fix in opregion backlight handler

[Jesse Barnes]

On Tue, 15 Sep 2009 13:03:36 +0800
Li Peng <peng.li at linux.intel.com> wrote:

> BLC_PWM_CTL2 is for 965+ only, so add device model check for
> legacy backlight control.
> 
> For native backlight control, it maps the backlight value (0~255)
> in opregion ASLE[BCLP] to backlight duty cycle (0~max_backlight)
> and set into control register.
> 
> It also add support for IGD device, which follows opregion spec.
> 
> Signed-off-by: Li Peng <peng.li at intel.com>

Applied to drm-intel-next, thanks.

-- 
Jesse Barnes, Intel Open Source Technology Center