Re: Backlight control only in the kernel?

On Wed, Aug 07, 2013 at 05:03:15PM +0800, Aaron Lu wrote:

I think this would require the kernel has the knowledge of which backlight interface this system is using or should be using, or it wouldn't know which interface should receive and process the event...

Well, we can have a default one, say acpi_video and make it overridable with command line options like acpi_backlight=vendor or acpi_backlight=gpu, for example, if acpi_video suffers of a major suckage...