Skip site navigation (1)Skip section navigation (2)
Date:      Sat, 29 Mar 2008 11:31:02 -0400
From:      Dan Langille <dan@langille.org>
To:        Ian Smith <smithi@nimnet.asn.au>
Cc:        Alberto Rizzi <greenant@fastmail.fm>, freebsd-mobile@freebsd.org
Subject:   Re: ThinkPad X61s functions keys
Message-ID:  <47EE60B6.8070703@langille.org>
In-Reply-To: <Pine.BSF.3.96.1080330014930.2525D-100000@gaia.nimnet.asn.au>
References:  <Pine.BSF.3.96.1080330014930.2525D-100000@gaia.nimnet.asn.au>

next in thread | previous in thread | raw e-mail | index | archive | help
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
> 
> _______________________________________________
> freebsd-mobile@freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-mobile
> To unsubscribe, send any mail to "freebsd-mobile-unsubscribe@freebsd.org"




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?47EE60B6.8070703>