ThinkPad X61s functions keys
Dan Langille
dan at langille.org
Sat Mar 29 08:32:19 PDT 2008
Ian Smith wrote:
> On Sat, 29 Mar 2008, Dan Langille wrote:
> > Alberto Rizzi wrote:
> > > Dan Langille ha scritto:
> > >> Hi,
> > >>
> > >> Running FreeBSD 7.0-RELEASE on a ThinkPad X61s.
> > >>
> > >> Some keys do not work:
> > >>
> > >> - volume adjustment
> > >> - screen brightness (FN HOME, FN END)
> > >>
> > >> The keyboard light does work (FN-PgUp) as does
> > >> Numeric Lock (FN ScrLk).
> > >>
> > >> What can I do to help diagnose the issue so we can get these
> > >> functions working?
> > >>
> > > Have the same problem with a Thinkpad T61
> > > If you read man acpi_ibm there is a partial solution
> > >
> > > You have to load acpi_ibm at boot. Add
> > > acpi_ibm_load="YES"
> > > to /boot/loader.conf
> >
> > $ kldstat
> > Id Refs Address Size Name
> > 1 10 0xffffffff80100000 ac6c08 kernel
> > 2 1 0xffffffff80bc7000 1a670 snd_hda.ko
> > 3 2 0xffffffff80be2000 673b8 sound.ko
> > 4 1 0xffffffff80c4a000 53d0 acpi_ibm.ko
> > 5 1 0xffffffffb1694000 4b61 i915.ko
> > 6 1 0xffffffffb1699000 d5d8 drm.ko
> >
> >
> > > Then activate event passing to devd. Add
> > > dev.acpi_ibm.0.events=1
> > > to /etc/sysctl.conf
> >
> > $ sysctl dev.acpi_ibm.0.events
> > dev.acpi_ibm.0.events: 1
>
> Does needs to be 1, but your loop script below shows it set (reverted?)
> to 0, so devd events would not be invoked.
>
> > > Then tell devd that you want to get events. Add
> > > notify 10 {
> > > match "system" "ACPI";
> > > match "subsystem" "IBM";
> > > action "/usr/local/sbin/acpi_oem_exec.sh $notify ibm";
> >
> > It seems that this script is never invoked.
>
> Not without having dev.acpi_ibm.0.events=1 anyway.
Good catch. Thank you. It is 1. The copy/paste was done outside my
testing. Despite the /etc/sysctl.conf entry, I must set this value
manually as it is always zero after boot.
> Suggest also checking Beto's examples which might help you debug it:
>
> http://lists.freebsd.org/mailman/htdig/freebsd-mobile/2006-August/008959.html
>
> http://lists.freebsd.org/pipermail/freebsd-mobile/2006-August/008948.html
I'll have a look there. Thank you.
> and which I notice executes scripts like:
> action "/bin/sh -c /home/betom/bin/do_acpi_suspend.sh";
>
> which might help if your script wasn't set executable? and uses
> /usr/local/etc/devd for devd conf files, as an alternative.
It is chmod +x:
$ ls -l /usr/local/sbin/acpi_oem_exec.sh
-rwxr-xr-x 1 root wheel 640 Mar 28 22:44 /usr/local/sbin/acpi_oem_exec.sh
>
> HTH, Ian
>
>
> > > }
> > >
> > > to /etc/devd.conf
> > >
> > > Now you have to create that script
> > > ----------
> > > #!/bin/sh
> > > NOTIFY=`echo $1`
> > > ECHO="echo"
> > > CALC="bc"
> > >
> > > case ${NOTIFY} in
> > > 0x10)
> > > LEVEL=`sysctl -n dev.acpi_ibm.0.lcd_brightness`
> > > PERCENT=`${ECHO} "${LEVEL} + 1" | ${CALC}`
> > > MESSAGE="brightness level ${PERCENT}"
> > > sysctl dev.acpi_ibm.0.lcd_brightness=${PERCENT}
> > > ;;
> > > 0x11)
> > > LEVEL=`sysctl -n dev.acpi_ibm.0.lcd_brightness`
> > > PERCENT=`${ECHO} "${LEVEL} - 1" | ${CALC}`
> > > MESSAGE="brightness level ${PERCENT}"
> > > sysctl dev.acpi_ibm.0.lcd_brightness=${PERCENT}
> > > ;;
> > > *)
> > > ;;
> > > esac
> > > echo `date` >> /tmp/prova
> > > ${ECHO} ${LEVEL} ${NOTIFY} ${MESSAGE} >> /tmp/prova
> > > exit 0
> > >
> > > -------
> > > If you leave the last two debug line, with a tail -f /tmp/prova you can
> > > check the events sent to devd.
> >
> > Nothing hits /tmp/prova
> >
> > I ran this loop while pressing keys:
> >
> > while true; do clear; sysctl dev.acpi_ibm.0; date; sleep 1; done
> >
> > dev.acpi_ibm.0.%desc: IBM ThinkPad ACPI Extras
> > dev.acpi_ibm.0.%driver: acpi_ibm
> > dev.acpi_ibm.0.%location: handle=\_SB_.PCI0.LPC_.EC__.HKEY
> > dev.acpi_ibm.0.%pnpinfo: _HID=IBM0068 _UID=0
> > dev.acpi_ibm.0.%parent: acpi0
> > dev.acpi_ibm.0.initialmask: 2060
> > dev.acpi_ibm.0.availmask: 16777215
> > dev.acpi_ibm.0.events: 0
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^
An unfortunate paste. I assure you, it is 1.
> > dev.acpi_ibm.0.eventmask: 2060
> > dev.acpi_ibm.0.hotkey: 3491
> > dev.acpi_ibm.0.lcd_brightness: 0
> > dev.acpi_ibm.0.volume: 7
> > dev.acpi_ibm.0.mute: 0
> > dev.acpi_ibm.0.thinklight: 0
> > dev.acpi_ibm.0.bluetooth: 0
> > dev.acpi_ibm.0.wlan: 1
> > dev.acpi_ibm.0.fan_speed: 3815
> > dev.acpi_ibm.0.fan_level: 0
> > dev.acpi_ibm.0.fan: 1
> > dev.acpi_ibm.0.thermal: 41 47 47 38 33 -1 30 -1
> > Sat Mar 29 09:30:09 EDT 2008
> >
> >
> > I can get dev.acpi_ibm.0.thinklight to change when turning off/on the think
> > light.
> >
> > I can get dev.acpi_ibm.0.hotkey to change between two values: 2467 and 3491
> >
> > That's it. Nothing else.
> >
> > > With this script you can change the brightness both under console and
> > > under xorg but you are bound to 8 levels (0 - 7)
> > > If you want 100 levels you can use xbacklight under xorg only and modify
> > > the script to use xbacklight instead of sysctl
> > >
> > > Mute and volume keys don't send events to devd: I don't know why but if
> > > I press mute it works and dev.acpi_ibm.0.mute becomes 1
> > > If I press volume up or down, dev.acpi_ibm.0.mute becomes 0
>
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