Re: [Intel-gfx] PROBLEM: Native backlight regressed from logarithmic to linear scale

2014-08-08 Thread Jani Nikula
On Tue, 29 Jul 2014, Daniel Vetter wrote: > On Tue, Jul 29, 2014 at 06:14:16AM -0400, Anders Kaseorg wrote: >> On Tue, 29 Jul 2014, Hans de Goede wrote: >> > I've been thinking a bit about this, and I believe that the right answer >> > here is to do the linear to logarithmic mapping in user-space

Re: [Intel-gfx] PROBLEM: Native backlight regressed from logarithmic to linear scale

2014-07-29 Thread Daniel Vetter
On Tue, Jul 29, 2014 at 06:14:16AM -0400, Anders Kaseorg wrote: > On Tue, 29 Jul 2014, Hans de Goede wrote: > > I've been thinking a bit about this, and I believe that the right answer > > here is to do the linear to logarithmic mapping in user-space. The intel > > backlight interface has a type

Re: [Intel-gfx] PROBLEM: Native backlight regressed from logarithmic to linear scale

2014-07-29 Thread Anders Kaseorg
On Tue, 29 Jul 2014, Hans de Goede wrote: > I've been thinking a bit about this, and I believe that the right answer > here is to do the linear to logarithmic mapping in user-space. The intel > backlight interface has a type of raw, clearly signalling to userspace > that it is a raw "untranslate

Re: [Intel-gfx] PROBLEM: Native backlight regressed from logarithmic to linear scale

2014-07-29 Thread Hans de Goede
Hi, On 07/22/2014 06:32 AM, Anders Kaseorg wrote: > [1.] One line summary of the problem: > > Native backlight regressed from logarithmic to linear scale > > [2.] Full description of the problem/report: > > With the new default of video.use_native_backlight=0 (commit > v3.16-rc1~30^2~2^3),