Re: 2.6.39, radeon_bl and pbbuttonsd
* Michel Dänzer [110421 10:58 +0200]:
> On Don, 2011-04-21 at 10:30 +0200, Elimar Riesebieter wrote:
> > I am running 2.6.39-rc4. For the backlight control this kernel uses
> > /sys/class/backlight/radeon_bl on my PB. Starting pbbuttonsd the
> > cpu_usage gets up much
> Unfortunately, the KMS backlight support seems to use a significant
> amount of CPU for each backlight level change. If you have
> LCD_FadingSpeed and/or LCD_AutoAdjust enabled in /etc/pbbuttonsd.conf,
> does disabling them help?
It does ;-)
> > and the backlight dimms to nearly 0.
> Maybe pbbuttonsd is confused because the backlight level range is
> different than previously. Can you fix it up manually?
There is no need to.
The path to source is always uphill!