Re: REGRESSION: Alienware touchpad = Synaptics TM3044-002

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Hi Jiri and all,
Unfortunately this has not yet been fixed :-(

I retested with
--
commit 92b419289ceecdd1eae03114928913f298b84327 (HEAD -> master,
origin/master, origin/HEAD)
Merge: c8ce94b8fe53 5d8f81ba1da5
Author: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Date:   Wed Nov 21 11:28:20 2018 -0800
--

Same problem exists; a single press/release on the touch-pad buttons
creates a stream of press/release events, and often the button is left
'pressed' (when it has really been released). This make the inbuilt
touchpad unusable on the laptop.

This behavior appears to have started with
'24d28e4f1271cb2f91613dada8f2acccd00eff56'.


Is there any chance the someone can look into this, or provide some
guidance? I am willing to test any suggestions.
Simon



On Sun, October 28, 2018 10:55 pm, Simon Wood wrote:
> Hi all,
> I've tracked down this problem to commit
> 24d28e4f1271cb2f91613dada8f2acccd00eff56
>
>
> Prior to this commit the touch pad issues a single press/release when the
>  button is pressed (and released).
>
> After this commit the touchpad button will a continuous stream of presses
>  and releases. Sometimes after the button has been released, the system
> thinks that it is still pressed.... see attached.
>
> This causes user difficulties/frustration with Synaptics TM3044-002
> touchpad in the Alienware 13r2 laptop.
>
> Cheers,
> Simon
>
>
>


simon@thevoid:~$ uname -a
Linux thevoid 4.20.0-rc3+ #4 SMP Wed Nov 21 19:46:54 MST 2018 x86_64 x86_64 x86_64 GNU/Linux
simon@thevoid:~$ xinput list
â?¡ Virtual core pointer                    	id=2	[master pointer  (3)]
â??   â?³ Virtual core XTEST pointer              	id=4	[slave  pointer  (2)]
â??   â?³ Logitech Optical USB Mouse              	id=10	[slave  pointer  (2)]
â??   â?³ Synaptics TM3044-002                    	id=12	[slave  pointer  (2)]
â??   â?³ SynPS/2 Synaptics TouchPad              	id=15	[slave  pointer  (2)]
â?£ Virtual core keyboard                   	id=3	[master keyboard (2)]
    â?³ Virtual core XTEST keyboard             	id=5	[slave  keyboard (3)]
    â?³ Power Button                            	id=6	[slave  keyboard (3)]
    â?³ Video Bus                               	id=7	[slave  keyboard (3)]
    â?³ Video Bus                               	id=8	[slave  keyboard (3)]
    â?³ Power Button                            	id=9	[slave  keyboard (3)]
    â?³ Integrated_Webcam_FHD: Integrat         	id=11	[slave  keyboard (3)]
    â?³ Dell WMI hotkeys                        	id=13	[slave  keyboard (3)]
    â?³ AT Translated Set 2 keyboard            	id=14	[slave  keyboard (3)]
simon@thevoid:~$ xinput test 12
button press   1 
button release 1 
button press   1 
button release 1 
button press   1 
button release 1 
button press   1 
button release 1 
button press   1 
button release 1 
button press   1 
button release 1 
button press   1 
button release 1 
button press   1 
button release 1 
button press   1 
button release 1 
button press   1 
button release 1 
button press   1 
button release 1 
button press   1 
button release 1 
button press   1 
button release 1 
button press   1 
button release 1 
button press   1 
button release 1 
button press   1 
^C
simon@thevoid:~$ xinput test 12
button release 1 
button press   1 
button release 1 
button press   1 
button release 1 
button press   1 
button release 1 
button press   1 
button release 1 
button press   1 
button release 1 
button press   1 
button release 1 
button press   1 
button release 1 
button press   1 
button release 1 
button press   1 
button release 1 
button press   1 
button release 1 
button press   1 
^C
simon@thevoid:~$

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