Re: Backlight control only in the kernel?

From: Borislav Petkov
Date: Wed Aug 07 2013 - 06:35:01 EST

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


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