`radeontool light off` does not turn off backlight
paulepanter at users.sourceforge.net
Fri Feb 10 09:09:42 PST 2012
Am Freitag, den 10.02.2012, 05:58 -0500 schrieb David Airlie:
> > using radeontool 1.6.2-1.1 from Debian Wheezy/testing 
> > $ sudo radeontool --debug light off
> > Found card 1002:9555 (30000)
> > Radeon found. Base control address is 7f0746826000; base
> > framebuffer address is 7f0735e73000.
> > reading RADEON_LVDS_GEN_CNTL (2d0) is 00000000
> > writing RADEON_LVDS_GEN_CNTL (2d0) -> 00000000
> > does not turn off the backlight of the laptop monitor. This is a
> > Lenovo
> > G555 laptop with a ATI Radeon HD 4200 graphic device .
> > Do I need to submit a report to Freedesktop.org’s Bugzilla bug
> > tracking system?
> radeontool doesn't support turning on/off backlights on newer GPUs, and I'm not sure I see any reason for it to do so.
Because it says so in its description.
> It was originally in radeontool as a hack around lack of drivers.
Interesting. Maybe add to the `--help` text and the manual page which
GPUs are supported.
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