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From: "Simon Wood" <simon@mungewell.org>
To: "Dmitry Torokhov" <dmitry.torokhov@gmail.com>
Cc: "Jiri Kosina" <jikos@kernel.org>,
	"Benjamin Tissoires" <benjamin.tissoires@redhat.com>,
	"Simon Wood" <simon@mungewell.org>,
	"linux-input@vger.kernel.org" <linux-input@vger.kernel.org>,
	lkml <linux-kernel@vger.kernel.org>, Edwin <edwin@velds.nl>,
	"\"Michal Malý\"" <madcatxster@devoid-pointer.net>,
	"elias vanderstuyft" <elias.vds@gmail.com>
Subject: Re: [Patch-V2 1/6] INPUT: xpad: Add minimal support for Logitech G920 Wheel
Date: Wed, 6 Jan 2016 21:25:44 -0700	[thread overview]
Message-ID: <9e5fd1510809a1b291e449e8e8070c8f.squirrel@mungewell.org> (raw)
In-Reply-To: <20160107014721.GA35823@dtor-ws>

On Wed, January 6, 2016 6:47 pm, Dmitry Torokhov wrote:

> It is wrong. Aside form the fact that IMO xpad.c is the wrong place for
> this code to be in, why are we waiting for the input device to be opened by
> userspace before we do the switch instead of doing it immediately?

The 'send magic' might be better in a probe() call, but I don't believe
that it requires userspace interaction as it stands. The wheel will
disconnect almost immediately without me doing anything other than plug it
in.
--
Jan  6 21:18:50 speedster kernel: [  439.604037] usb 5-1: new full-speed
USB device number 2 using uhci_hcd
Jan  6 21:18:50 speedster kernel: [  439.791153] usb 5-1: New USB device
found, idVendor=046d, idProduct=c261
Jan  6 21:18:50 speedster kernel: [  439.791160] usb 5-1: New USB device
strings: Mfr=1, Product=2, SerialNumber=3
Jan  6 21:18:50 speedster kernel: [  439.791164] usb 5-1: Product: G920
Driving Force Racing Wheel for Xbox One
Jan  6 21:18:50 speedster kernel: [  439.791167] usb 5-1: Manufacturer:
Logitech
Jan  6 21:18:50 speedster kernel: [  439.791170] usb 5-1: SerialNumber:
00005d1d5129cebe
Jan  6 21:18:50 speedster mtp-probe: checking bus 5, device 2:
"/sys/devices/pci0000:00/0000:00:1d.3/usb5/5-1"
Jan  6 21:18:50 speedster mtp-probe: bus: 5, device: 2 was not an MTP device
Jan  6 21:18:51 speedster kernel: [  440.815191] input: Logitech G920
Driving Force Racing Wheel as
/devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.0/input/input4
Jan  6 21:18:51 speedster kernel: [  440.815310] usbcore: registered new
interface driver xpad
Jan  6 21:18:52 speedster kernel: [  441.340093] usb 5-1: USB disconnect,
device number 2
Jan  6 21:18:52 speedster kernel: [  442.052037] usb 5-1: new full-speed
USB device number 3 using uhci_hcd
Jan  6 21:18:52 speedster kernel: [  442.239129] usb 5-1: New USB device
found, idVendor=046d, idProduct=c262
Jan  6 21:18:52 speedster kernel: [  442.239136] usb 5-1: New USB device
strings: Mfr=1, Product=2, SerialNumber=3
Jan  6 21:18:52 speedster kernel: [  442.239139] usb 5-1: Product: G920
Driving Force Racing Wheel for Xbox One
Jan  6 21:18:52 speedster kernel: [  442.239142] usb 5-1: Manufacturer:
Logitech
Jan  6 21:18:52 speedster kernel: [  442.239145] usb 5-1: SerialNumber:
00005d1d5129cebe
Jan  6 21:18:52 speedster mtp-probe: checking bus 5, device 3:
"/sys/devices/pci0000:00/0000:00:1d.3/usb5/5-1"
Jan  6 21:18:52 speedster mtp-probe: bus: 5, device: 3 was not an MTP device
Jan  6 21:18:52 speedster kernel: [  442.267248] input: Logitech G920
Driving Force Racing Wheel for Xbox One as
/devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.0/0003:046D:C262.0002/input/input5
Jan  6 21:18:52 speedster kernel: [  442.267510] logitech-hidpp-device
0003:046D:C262.0002: input,hiddev0,hidraw1: USB HID v1.11 Joystick
[Logitech G920 Driving Force Racing Wheel for Xbox One] on
usb-0000:00:1d.3-1/input0
Jan  6 21:18:53 speedster kernel: [  442.322160] logitech-hidpp-device
0003:046D:C262.0002: HID++ 4.2 device connected.
--

I also did a quick check with the 'send magic' disabled. Xpad creates the
js0 and populates buttons, but pressing buttons/turning wheel does not
result in any change in js0.

I don't disagree to it being a seperate module, but don't have the time to
implement/test at the moment. If some else does that would be good, can we
make sure that the kconfig/makefile stuff uses same/sensible HID_CONFIGs?
Simon



  reply	other threads:[~2016-01-07  4:25 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-11-12 16:25 [Patch-V2 0/6] HID: Support for the " Simon Wood
2015-11-12 16:25 ` [Patch-V2 1/6] INPUT: xpad: Add minimal support for " Simon Wood
2015-11-19 13:50   ` Jiri Kosina
2015-11-19 18:31     ` Dmitry Torokhov
2015-11-19 18:35       ` Simon Wood
2015-11-19 23:19         ` Edwin
2015-12-10  1:23       ` Dmitry Torokhov
2015-12-10  1:39         ` Dmitry Torokhov
2015-12-10 17:08           ` Benjamin Tissoires
2015-12-10 18:40             ` Dmitry Torokhov
2016-01-04  9:55               ` Benjamin Tissoires
2016-01-04 12:43                 ` madcatxster
2016-01-04 12:43                   ` madcatxster
     [not found]                 ` <568ad0ae.ea3d320a.6acab.2b84SMTPIN_ADDED_MISSING@mx.google.com>
2016-01-05  1:01                   ` Dmitry Torokhov
2016-01-06 14:36                 ` Jiri Kosina
2016-01-07  1:47                   ` Dmitry Torokhov
2016-01-07  4:25                     ` Simon Wood [this message]
2016-01-07 22:50                     ` Michal Malý
2016-01-07 22:53                       ` Dmitry Torokhov
2016-01-07 22:53                         ` Dmitry Torokhov
2016-01-07 23:05                         ` Michal Malý
2016-01-07 23:05                           ` Michal Malý
2016-01-08  9:11                     ` Jiri Kosina
2015-12-13 12:50             ` Elias Vanderstuyft
2015-11-12 16:25 ` [Patch-V2 2/6] HID: hid-logitech-hidpp: Add support for very long packets Simon Wood
2015-11-12 16:25 ` [Patch-V2 3/6] HID: hid-logitech-hidpp: Add basic support for Logitech G920 Simon Wood
2015-11-19 11:18   ` Benjamin Tissoires
2015-11-12 16:25 ` [Patch-V2 4/6] HID: hid-logitech-hidpp: Add range sysfs " Simon Wood
2015-11-12 16:25 ` [Patch-V2 5/6] HID: Add vendor specific usage pages " Simon Wood
2015-11-12 16:25 ` [Patch-V2 6/6] HID: hid-logitech-hidpp: G920 remove deadzones Simon Wood
2015-11-12 16:32 ` [Patch-V2 0/6] HID: Support for the Logitech G920 Wheel Simon Wood
2015-11-19 10:04 ` Jiri Kosina
2015-11-19 11:23   ` Benjamin Tissoires

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