Re: [PATCH] HID: add multi-input quirk for eGalax Touchcontroller

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On Wed, Feb 03, 2010 at 11:53:20AM +0100, Jiri Kosina wrote:
> On Wed, 3 Feb 2010, Peter Hutterer wrote:
> 
> > > Does looking at the HID report descriptor and looking at the actual 
> > > raw HID reports coming out from the device give any clue? (in recent 
> > > kernels, you can just use 'hid' directory in debugfs to gather all 
> > > this information).
> > 
> > Thanks. The hid descriptor table is attached, but tbh I'm not well-versed
> > enough in the HID protocol to even tell what format I can give you. I've
> > attached a simple hexdump of two presses, one with a finger, one with the
> > stylus. Let me know what format you need or what how I can start to decypher
> > this myself (are there any parsing tools around?).
> 
> It shouldn't be necesarry to run hexdump on the 'events' node, the data 
> coming from it are supposed to already be parsed and human-readable.

aah, don't we love a good brown paper bag moment...

events are below, if I read this correctly the hardware might need a quirk
for the permanently-set InRange bits.

report (size 6) (numbered)
report 2 (size 6) =  02 03 69 0e c4 03
Digitizers.TipSwitch = 1
Digitizers.InRange = 1
GenericDesktop.X = 3689
GenericDesktop.Y = 964

report (size 6) (numbered)
report 2 (size 6) =  02 03 6f 0e bb 03
Digitizers.TipSwitch = 1
Digitizers.InRange = 1
GenericDesktop.X = 3695
GenericDesktop.Y = 955

[...]

report (size 6) (numbered)
report 2 (size 6) =  02 02 71 0e a9 03
Digitizers.TipSwitch = 0
Digitizers.InRange = 1
GenericDesktop.X = 3697
GenericDesktop.Y = 937

report (size 6) (numbered)
report 2 (size 6) =  02 03 68 0e d1 03
Digitizers.TipSwitch = 1
Digitizers.InRange = 1
GenericDesktop.X = 3688
GenericDesktop.Y = 977

report (size 6) (numbered)
report 2 (size 6) =  02 03 67 0e d1 03
Digitizers.TipSwitch = 1
Digitizers.InRange = 1
GenericDesktop.X = 3687

[...]

report (size 6) (numbered)
report 2 (size 6) =  02 02 7b 0e dd 03
Digitizers.TipSwitch = 0
Digitizers.InRange = 1
GenericDesktop.X = 3707
GenericDesktop.Y = 989


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