Re: Success! [was Re: Getting recent elantech touchpads to work]

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On Wed, 2 Jun 2010, Dmitry Torokhov wrote:

Max, could you please try 2.6.31-rc1 and see if the touchapd is
recognized there as well and what firmware version it reports. Also if
you could describe features of the pad (number of buttons, etc) that
would be great.

OK I assume you meant 2.6.35-rc1 ?

I downloaded the 2.6.35-rc1 bz2, extracted the files elantech.c and elantech.h from that, and copied those two into the existing kernel source tree (a 2.6.32 tree - for ubuntu 10.04).

Once again the detection looks to have worked OK (without needing "force"). I've pasted the dmesg output below.

Not sure what "features" you mean - there are two buttons which work as left and right buttons. There are no other buttons associated with the touch pad.

I've noticed an occasional problem where the mouse pointer jumps to the left margin all by itself (this is using X/gnome). This definitely happened with the "four patches" applied. I can't say now whether it used to happen prior to the 4 patches :-\ (Would NOT want to go back to find out!). Also haven't been using this new latest version long enough to know whether it also has the same glitch.

The original reason for trying the 4 patches was that the touchpad was being recognized as "IMPS/2 wheel mouse" (compatibility mode) and not as a touchpad. The tap-to-click was ultra-sensitive and was driving me nuts. Both the "4 patches" version and the new version properly detect the touchpad.

Best Regards

Max
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Jun  2 17:45:22 mhp kernel: [34134.424271] psmouse serio4: ID: 10 00 64
Jun  2 17:45:22 mhp kernel: [34134.517976] elantech: assuming hardware version 2, firmware version 4.1.1
Jun  2 17:45:22 mhp kernel: [34134.553770] elantech: Synaptics capabilities query result 0x7e, 0x13, 0x0d.
Jun  2 17:45:22 mhp kernel: [34134.653227] input: ETPS/2 Elantech Touchpad as /devices/platform/i8042/serio4/input/input9
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