linux-kernel - Re: Fun with sony motion controllers: navigation controller

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Date:	Mon, 16 Mar 2015 14:55:59 +0100 (CET)
From:	Jiri Kosina <jkosina@...e.cz>
To:	Pavel Machek <pavel@....cz>
cc:	vojtech@...e.cz, mike-@...ci.rr.com, jslaby@...e.cz,
	dave@...dillows.org, colin.leitner@...il.com,
	frank.praznik@...il.com,
	kernel list <linux-kernel@...r.kernel.org>,
	linux-input@...r.kernel.org
Subject: Re: Fun with sony motion controllers: navigation controller

On Mon, 16 Mar 2015, Pavel Machek wrote:

> On Mon 2015-03-16 13:55:39, Jiri Kosina wrote:
> > On Sat, 14 Mar 2015, Pavel Machek wrote:
> > 
> > > Hi!
> > > 
> > > After oopsing kernel with ps/3 peripherals, I decided to play some
> > > more.
> > > 
> > > First "sony motion controller" (part of ps/3 move without the
> > > led). Good news is that it no longer oopses. After pressing the PS
> > > button, it seems to work, but it produces endless stream of events in
> > > evtest:
> > > 
> > > Event: time 1426360519.967818, type 3 (EV_ABS), code 0 (ABS_X), value 131
> > > Event: time 1426360519.967818, type 3 (EV_ABS), code 1 (ABS_Y), value 129
> > > Event: time 1426360519.967818, type 3 (EV_ABS), code 59 (ABS_MT_DISTANCE), value 513
> > > Event: time 1426360519.967818, type 3 (EV_ABS), code 60 (ABS_MT_TOOL_X), value 513
> > > 
> > > Should it really produce multitouch events?
> > 
> > Some sony devices are producing multitouch events. You unfortunately 
> > didn't send us the VID/PID of the device you are playing with.
> 
> Umm. I thought multitouch events are for touchscreen. This is joystick
> with accelerometer...?

Ok, that's USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER, which should get 
SIXAXIS_CONTROLLER_USB. That one shouldn't really be producing multitouch 
events.

Could you please add printk()s to hid-sony.c to see how it's possible that 
it's generating those?

I am sure Frank will comment on this as well.

-- 
Jiri Kosina
SUSE Labs
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