Re: [PATCH] Platform: add Samsung Laptop platform driver

From: Greg KH
Date: Sun Mar 13 2011 - 12:17:52 EST


On Sun, Mar 13, 2011 at 03:02:00PM +0200, Nikolai Kondrashov wrote:
> On 03/13/2011 12:55 PM, Richard Schütz wrote:
> >That sounds like the driver is interfering with the ACPI video driver.
> >Add "acpi_backlight=vendor" to your kernel boot parameters and try again.
> Thank you, this helped :)
>
> Greg, is it OK that both 0 and 1 backlight values have the same effect on
> brightness?

I really don't know, sorry. Try messing with the actual_brightness file
instead, that's the one to use.

thanks,

greg k-h
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