HDA driver test on Dell Inspirion 1300

[Markus Brueffer]

On Thursday 14 September 2006 04:19, Norberto Meijome wrote:
> On Thu, 14 Sep 2006 03:41:58 +0200
>
> Markus Brueffer <markus at freebsd.org> wrote:
> > > usually the fn-keys issue ACPI events for devd to handle. On my
> > > Thinkpad, acpi_ibm takes care of it. There are relevant sysctl which,
> > > interestingly enough, dont seem to get updated ...
> >
> > May I ask which model you have and which sysctls don't update correctly?
>
> Thinkpad Z60M, using acpi and acpi_ibm.
>
> dev.acpi_ibm.0.lcd_brightness doesn't change when I use Fn-Home (increase
> brightness) or fn-End (decrease). Writing to the sysctl DOES change the
> brightness though. Same behaviour with dev.acpi_ibm.0.events either on 0 or
> 1

Wow, that's odd. Is there a newer BIOS or embedded controller firmware 
available?

> I tried using acpi_video, but nothing really seems to happen - no matter
> what I write to the sysctls provided by it nothing changes. And they dont
> seem to change no matter what I do... possibly doing the wrong tests?
> (switching LCD on / off with radeontool, closing down lid,etc).
>
> > > but that could be because I choose to
> > > handle the devd events myself...
> >
> > Nope, acpi events and sysctls are handled separately.
>
> ok, but since writing to the knobs changes the brightness, shouldn't the
> acpi event change the knob in turn, so they are in sync?

Usually the embedded controller registers get updated when brightness, volume, 
etc changes so this wasn't neccessary until now.

Furthermore, please send me a dump of the Z60M's DSDT offlist:

# acpidump -t -d > name-system.asl

Markus

-- 
Markus Brueffer    | GPG-Key: http://people.FreeBSD.org/~markus/markus.asc
markus at brueffer.de | FP: 3F9B EBE8 F290 E5CC 1447 8760 D48D 1072 78F8 A8D4
markus at FreeBSD.org | FreeBSD: The Power to Serve!
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