linux-kernel - Display, touchscreen on N9

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Message-ID: <20171115225551.GA20709@amd>
Date:   Wed, 15 Nov 2017 23:55:51 +0100
From:   Pavel Machek <pavel@....cz>
To:     Filip Matijević <filip.matijevic.pz@...il.com>,
        pali.rohar@...il.com, sre@...nel.org,
        kernel list <linux-kernel@...r.kernel.org>
Subject: Display, touchscreen on N9

Hi!

Thanks to Filip, I got X / touchscreen to work on N9.

But there's still fun. I'd like landscape mode display, unfortunately

DISPLAY=:0.0 xrandr --output DSI-1 --rotate right

causes snow and blank display. --rotate normal gets it back.

Touchscreen is wrong, too, but looks fixable.

localhost:~$ DISPLAY=:0.0 xinput
...
⎜   ↳ Atmel maXTouch Touchscreen              	id=7	[slave  pointer  (2)]
localhost:~$ DISPLAY=:0.0 xinput --list-props 7
Device 'Atmel maXTouch Touchscreen':
...
	Coordinate Transformation Matrix (121):	1.000000, 0.000000, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000

For N9, this seems to work:

DISPLAY=:0.0 xinput --set-prop --type=float "Atmel maXTouch Touchscreen" "Coordinate Transformation Matrix" -1 0 1 0 1 0 0 0 1

Best regards,
	     	    	       		    	   	    		 Pavel

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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