Re: Acer-WMI disables touchpad and other issues

[joeyli <jlee@suse.com>]

於 四，2012-09-13 於 09:27 -0600，Nathanael D. Noblet 提到：
> So far I've added the options acer-wmi ec_raw_mode=1 to a modprobe.d 
> conf file. Looking at /sys/modules/acer_wmi/parameters/ec_raw_mode 
> contains a Y. The mousepad remains unresponsive on boot prior to a 
> Fn+F7. I've added options acer_wmi ec_raw_mode=1 (note the acer_wmi vs 
> acer-wmi) simply because the sysmodule was also underscore. There is no 
> difference, the module parameter is recorded as Y and the mousepad still 
> does not work on boot.
> 
> I will provide the other requested information soon.

Thanks for your testing, then we need to see DSDT and acpi debug log
when load acer-wmi.


Thanks
Joey Lee

> 
> On 09/13/2012 04:05 AM, joeyli wrote:
> > Hi Nathanael,
> >
> > 於 三，2012-09-12 於 22:35 -0600，Nathanael D. Noblet 提到：
> >> On 08/15/2012 10:45 AM, Nathanael D. Noblet wrote:
> >>> Hello,
> >>>
> >>>     I recently purchased an Acer Aspire One (model A0275-0691). It has an
> >>> elantech touchpad. As detailed in this bug:
> >>> https://bugzilla.redhat.com/show_bug.cgi?id=848270 the acer-wmi driver
> >>> has two issues on this device.
> >>>
> >>> #1) It is sending TOUCHPAD_TOGGLE and simultaneously changing state
> >>> #2) It disables the touchpad at init
> >>
> >> So I tested the patch provided here.
> >> https://bugzilla.redhat.com/show_bug.cgi?id=848270
> >>
> >> It definitely allows the Fn+F7 key combo to toggle the use of the
> >> mousepad. Unfortunately the mousepad comes up disabled and is very much
> >> confusing the users using the device. Is there somewhere I should look
> >> for what is causing that? I don't mind helping to debug the issue at all
> >> I just don't know where to start.
> >>
> >> Thanks,
> >
> > Please try 'ec_raw_mode=1' acer-wmi parameter to avoid acer-wmi run
> > launch manager mode. Run the following statement through root and reboot
> > system:
> > 	# echo "options acer-wmi ec_raw_mode=1" > /etc/modprobe.d/acer-wmi.conf
> >
> >
> > On the other hand,
> > I checked your dmideocde on brc#848720, the 0x82 is the RIGHT acpi code
> > to you for touchpad_toggle key, that means acer-wmi should emit
> > KEY_TOUCHPAD_TOGGLE to userland. There have another thing also listen
> > the KEY_TOUCHPAD_TOGGLE and do the change. I checked the
> > gnome-settings-daemon, it just show up OSD but didn't change touchpad
> > status.
> >
> > Could you please help provide the following information?
> > 	+ please attach acpidump:
> > 		# acpidump > acpidump.dat
> > 	+ please help to capture acpi debug log:
> > 		+ please remove ec_raw_mode=1 first.
> > 		+ check your kernel parameter need enable: 'CONFIG_ACPI_DEBUG=y'
> > 		+ please add the following kernel parameter and reboot system:
> > 			acpi.debug_level=0x0000000F acpi.debug_layer=0xffffffff log_buf_len=5M
> > 		+ after system reboot, please press Fn+F11 (touchpad toggle key) a couple of times.
> > 		+ please attach on dmesg log.
> >
> > For your backlight function key problem, please file another bug on
> > bugzilla.kernel.org.
> >
> >
> >
> > Thanks a lot!
> > Joey Lee
> >
> >
> 
>