Re: 2.6.31-rc2: thinkpad boots with backlight low

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Henrique de Moraes Holschuh wrote:
> And that will, of course, cause the driver to set the brightness in NVRAM to
> zero (but it *should* do so for shutdown as well, not just machine-restart.
> You may have uncovered two bugs, not just one), which will be honoured by
> the BIOS on the next reboot/power up.

I does set it to zero (or whatever was last written to the sysfs or
/proc/acpi/ibm file) on shutdown and reboot, so no bug there.

> > I assume that the autodetection finds the HBRV acpi function and
> > selects the former, resulting in a not working backlight control.
> 
> Yes.
> 
> Please send me by private mail the output of acpidump and dmidecode (so that
> I will have them both in the same place).  I will blacklist your thinkpad to
> force TPACPI_BRGHT_MODE_UCMS_STEP.

Done.

-- 
Tobias						PGP: http://9ac7e0bc.uguu.de

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