Re: regression since 2.6.36: backlight in sony-laptop not working

Mattia Dongili
2010-11-16T14:18:51Z

On Tue, Nov 16, 2010 at 02:16:42PM +0900, Norbert Preining wrote:
> On Fr, 12 Nov 2010, Mattia Dongili wrote:
> > You will need an updated input-kbd to set the scancode map.
>
> Ouch.
>
> > > Does that mean that 2.6.37rc is too new for the user space?
> >
> > Maybe. Anyway if evtest reacts positively to key presses then it's a
> > userspace issue and not the driver's.
>
> What is strange that there *WAS* a change in the kernel that triggered
> that. Old kernels still work fine. I just tried 2.6.36 and it was working.
>
> I always thought that kernel changes should not break user space
> (well, without good reason).

it's the same as this:
https://bugzilla.kernel.org/show_bug.cgi?id=23022

--
mattia
:wq!