Re: BIOS-controlled FN keys works only with "acpi={off | ht}" onSamsung P500

[Paolo Ornati]

On Tue, 15 Jul 2008 08:49:57 +0800
Zhang Rui <rui.zhang@xxxxxxxxx> wrote:

> > on this laptop, Samsung NP-P500Y, some function keys are
> > BIOS-controlled (they work before Linux boots).
> > 
> > As soon as Linux boots they stop working. Trying some boot options
> > I've found that "acpi=off" makes them work and the less drastic
> > "acpi=ht" works too.
> > 
> > I'm mostly interested in brightness adjusting... and since both
> > xbacklight and radeontool fail I've to use "acpi=ht".
> 
> Please file a bug report at
> http://bugzilla.kernel.org/enter_bug.cgi?product=ACPI
> and attach the dmesg, acpidump output.
> 
> Please run "grep . /sys/firmware/acpi/interrupts/*" both before and
> after pressing the brightness hotkey and attach the test result as
> well.

done:
http://bugzilla.kernel.org/show_bug.cgi?id=11102


Thanks,
Paolo
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/