Re: freebsd-mobile Digest, Vol 539, Issue 2

Lars Engels <[email protected]> Sat, 7 Feb 2015 16:33:44 +0100
Newsgroups	gmane.os.freebsd.devel.mobile
Message-ID	<[email protected]>
On Thu, Feb 05, 2015 at 09:04:12PM -0800, Kevin Oberman wrote:
> On Thu, Feb 5, 2015 at 2:54 PM, PeerCorps Trust Fund <[email protected]
> > wrote:
> 
> > Hi Lars, Ian,
> >
> > Might either of you (or anyone else) have an idea about how to turn the
> > touchpad on the x230 completely OFF? I prefer the finger mouse and the
> > touchpad just gets in the way. Much of what I've read in the manual and on
> > the web seems to be outdated and revolves around configuring xorg. Is it a
> > matter of adding hw.psm.synaptics_support="0" to /boot/loader.conf?
> >
> > On a related note, is there a way to set the following options at boot?
> >
> > # kldload acpi_ibm
> > # kldload acpi_call
> > # acpi_call -p '\VBRC' -i 7
> >
> > M
> >
> >
> Is disabling the TouchPad no longer accessible in the BIOS setup? It's been
> on every X and T I have run into since IBM  stopped using a proprietary
> Windows tool to touch BIOS configuration instead of the normal F1 at boot
> time. I found it there on my T520, one generation older than the X230, I
> believe.

I disabled the touchpad of my X230 in the BIOS.

> 
> If I recall correctly, "acpi_call -p '\VBRC' -i 7" sets the brightness. You
> can load the modules by entering them in /boot/loader.conf, e.g.
> "acpi_ibm_load="YES"".

I'd rather load this from rc.conf, as it is _much_ faster to load kernel
modules after the kernel is loaded.
Just add "acpi_ibm acpi_call" to kld_list="" in rc.conf.
If you don't have that variable set, you can also run:

sysrc kld_list="acpi_ibm acpi_call"

> 
> The acpi_call can be added to init, but is probably not essential any more
> as brightness now works in head and the patch works fine on 10. You will
> need to patch the system, but then the brightness buttons as well as the
> hw.acpi.video.lcd0 values to set brightness on battery and AC. The patches
> are to /usr/src/dev/drm2/i915/ Look for the patches in
> /usr/src/sys/dev/drm2/i915/intel_opregion.c, i915_drv.h, and i915_irq.c and
> were committed to head in r270516.
> 
> The author (adrian@) has declined to MFC, but has stated that someone else
> can. I'm hoping someone will.
> --
> Kevin Oberman, Network Engineer, Retired
> E-mail: [email protected]
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