x220 notes

[Kevin Oberman]

2012/4/1 Любомир Григоров <nm.knife at gmail.com>:
> Well I can't do the brightness switching. acpi_call port is installed, but:
>
> # kldload acpi_call
> kldload: can't load acpi_call: No such file or directory
>
> # acpi_call -p '\VBRC' -i 14
> ioctl: Device not configured
>
> At least closing the lid turns off the monitor (not going to sleep), which
> is OK to conserve energy when not using. I would like to be able to change
> brightness, however. And have dimming.
>
> A minor problem, with the KMS Intel patch, when I log out of X (startx or
> xfce4), screen goes black. I don't know if this is acpi related. I typed
> reboot, and nothing happened. Using all.13.7-stable-9.patch with 9.0-STABLE.

# cd /usr/ports/sysutils/acpi_call && make install clean
# rehash
# kld_load acpi_call
# acpi_call -p '\VBRC' -i 5
-- 
R. Kevin Oberman, Network Engineer
E-mail: kob6558 at gmail.com