From: Kevin Fenzi <kevin@scrye.com>
To: AceLan Kao <acelan.kao@canonical.com>
Cc: Josh Boyer <jwboyer@fedoraproject.org>,
"Linux-Kernel@Vger. Kernel. Org" <linux-kernel@vger.kernel.org>,
Jiri Kosina <jkosina@suse.cz>,
Nikolai Kondrashov <spbnick@gmail.com>
Subject: Re: ELAN Touchscreen regression in recent 3.12 rc's? (USB)
Date: Tue, 29 Oct 2013 19:48:13 -0600 [thread overview]
Message-ID: <20131029194813.06873684@voldemort.scrye.com> (raw)
In-Reply-To: <CAFv23QmGeGMCVAJCQHv8oDk_ZrXHKsemP1MHnn+uaQQ5DKoFOA@mail.gmail.com>
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On Wed, 30 Oct 2013 09:41:06 +0800
AceLan Kao <acelan.kao@canonical.com> wrote:
> Hi,
>
> It's hard to believe that those quirks will lead to the problem.
> And actually, there are 4 new commits introduced to -rc7, and 3 of
> them are quirks.
>
> % git log --pretty=oneline v3.12-rc6..v3.12-rc7 drivers/hid
> 86b84167d4e67372376a57ea9955c5d53dae232f HID: wiimote: add
> LEGO-wiimote VID ad0e669b922c7790182cf19f8015b30e23ad9499 HID: Fix
> unit exponent parsing again 684524d35fe8d13be1f2649633e43bd02c96c695
> HID: usbhid: quirk for SiS Touchscreen
> 8171a67d587a09e14a4949a81e070345fedcf410 HID: usbhid: quirk for
> Synaptics Large Touchccreen
>
> CC'd Nikolai, since his commit changes the protocol.
Oddly, after a while it seems to have decided to stay on:
[ 4021.819962] usb 2-7: Manufacturer: ELAN
[ 4021.820163] usb 2-7: ep 0x2 - rounding interval to 64 microframes, ep desc says 80 microframes
[ 4021.828338] input: ELAN Touchscreen as /devices/pci0000:00/0000:00:14.0/usb2/2-7/2-7:1.0/input/input221
[ 4021.828801] hid-multitouch 0003:04F3:016F.00D3: input,hiddev0,hidraw1: USB HID v1.10 Device [ELAN Touchscreen] on usb-0000:00:14.0-7/input0
[ 4023.903599] usb 2-7: USB disconnect, device number 86
[ 4024.198444] usb 2-7: new full-speed USB device number 87 using xhci_hcd
[ 4024.211102] usb 2-7: New USB device found, idVendor=04f3, idProduct=016f
[ 4024.211143] usb 2-7: New USB device strings: Mfr=4, Product=14, SerialNumber=0
[ 4024.211177] usb 2-7: Product: Touchscreen
[ 4024.211197] usb 2-7: Manufacturer: ELAN
[ 4024.211489] usb 2-7: ep 0x2 - rounding interval to 64 microframes, ep desc says 80 microframes
[ 4024.219707] input: ELAN Touchscreen as /devices/pci0000:00/0000:00:14.0/usb2/2-7/2-7:1.0/input/input222
[ 4024.220555] hid-multitouch 0003:04F3:016F.00D4:
input,hiddev0,hidraw1: USB HID v1.10 Device [ELAN Touchscreen] on
usb-0000:00:14.0-7/input0
and it's been working since then. So, only after 87 cycles...
Some kind of weird race condition?
kevin
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next prev parent reply other threads:[~2013-10-30 1:48 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-28 21:02 Kevin Fenzi
2013-10-29 12:33 ` Josh Boyer
2013-10-30 1:41 ` AceLan Kao
2013-10-30 1:48 ` Kevin Fenzi [this message]
2013-10-30 8:37 ` Nikolai Kondrashov
2013-11-05 9:52 ` Jiri Kosina
2013-11-06 1:44 ` AceLan Kao
2013-11-06 17:28 ` Kevin Fenzi
2013-11-07 8:10 ` AceLan Kao
2013-11-09 21:23 ` Kevin Fenzi
2013-11-10 6:35 ` Kevin Fenzi
2014-01-19 9:25 ` cire831
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