ok, found that wmi is compiled into my kernel and not built as module. while the grep for PNP0C32 returned nothing - so I assume that it's not that. is there any way to read these addresses directly via C and not via ACPI ? tnx a lot, --Y 2010/9/13 Thomas Renninger <trenn@xxxxxxx> > > On Monday 13 September 2010 16:46:32 Yedidia Klein wrote: > > hi, > These are only two possibilities/interfaces how the buttons may be > driven. > > > what is the wmi driver ? there is not any module in this name on my distro > > (ubuntu 10.4) > Oh, there should, they probably compiled this driver: > wmi.ko > ? > A debug facility (debug_events=1 module parameter) was added > recently and may not exist there yet. > > > the PNP0C32 sounds interesting - what should I patch to enable it ? > mkdir /tmp/acpi > cd /tmp/acpi > acpidump >acpidump > acpixtract -a acpidump > iasl -d DSDT.dat > iasl -d -e DSDT.dat SSDT*.dat > grep PNP0C32 *.dsl > > Does the last command (grep) give you any output that > it found the PNP0C32 string in your ACPI BIOS tables > (which were dumped from memory with the commands before). > If yes, the button might be served by this interface. > > Thomas > > > > > tnx, > > > > --Y > > > > > > On Mon, Sep 6, 2010 at 1:43 PM, Thomas Renninger <trenn@xxxxxxx> wrote: > > > > > On Friday 27 August 2010 03:30:11 Zhang Rui wrote: > > > > On Thu, 2010-08-26 at 17:17 +0800, Yedidia Klein wrote: > > > > > here is my acpidump output. > > > > > > > > > hmmm, please attach the output of "cat /proc/interrupts" and > > > > "grep . /sys/firmware/acpi/interrupts/*", both before and after pressing > > > > the hotkey. > > > Yep. > > > You could also try to load the wmi driver with: > > > debug_event=1 > > > e.g. adding this line: > > > options wmi debug_event=1 > > > in > > > /etc/modprobe.d/99-local.conf or /etc/modprobe.conf.local > > > (the first is the new the latter the older interface, depends on your > > > userspace versions) > > > Then hit the button and check syslog. > > > > > > It might also be served by a Windows spec called "hot start" for which > > > I sent a driver which would still need some polishing some weeks ago. > > > The device for these is: > > > PNP0C32 > > > > > > Please add me to CC if you open bug at bugzilla.kernel.org. I won't > > > have time to code, but I can help a bit. > > > > > > Thomas > > > > > > -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
