From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753293Ab3J3BsV (ORCPT ); Tue, 29 Oct 2013 21:48:21 -0400 Received: from scrye.com ([75.148.32.185]:46503 "EHLO mail.scrye.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752523Ab3J3BsU (ORCPT ); Tue, 29 Oct 2013 21:48:20 -0400 Date: Tue, 29 Oct 2013 19:48:13 -0600 From: Kevin Fenzi To: AceLan Kao Cc: Josh Boyer , "Linux-Kernel@Vger. Kernel. Org" , Jiri Kosina , Nikolai Kondrashov Subject: Re: ELAN Touchscreen regression in recent 3.12 rc's? (USB) Message-ID: <20131029194813.06873684@voldemort.scrye.com> In-Reply-To: References: <20131028150250.755b4cc8@voldemort.scrye.com> Organization: Scrye, INC X-Mailer: Claws Mail 3.9.2 (GTK+ 2.24.22; x86_64-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: multipart/signed; micalg=PGP-SHA512; boundary="Sig_/Gs9X7bFC/w/8FDAeR3exUh9"; protocol="application/pgp-signature" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --Sig_/Gs9X7bFC/w/8FDAeR3exUh9 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Wed, 30 Oct 2013 09:41:06 +0800 AceLan Kao wrote: > Hi, >=20 > 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. >=20 > % git log --pretty=3Doneline 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 >=20 > CC'd Nikolai, since his commit changes the protocol. Oddly, after a while it seems to have decided to stay on:=20 [ 4021.819962] usb 2-7: Manufacturer: ELAN [ 4021.820163] usb 2-7: ep 0x2 - rounding interval to 64 microframes, ep de= sc 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: U= SB 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=3D04f3, idProduct=3D= 016f [ 4024.211143] usb 2-7: New USB device strings: Mfr=3D4, Product=3D14, Seri= alNumber=3D0 [ 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 de= sc 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...=20 Some kind of weird race condition? kevin --Sig_/Gs9X7bFC/w/8FDAeR3exUh9 Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (GNU/Linux) iQIcBAEBCgAGBQJScGVgAAoJEEs3sNgP+7te2VIP/ig+7qbHtNGvGyr/pURWBTW1 VHp6BdFYh9ErjSbjSohEf6KA6EK1cyTrJzu0gTrlRfrgczQR+UiHjXJlU/PxgCaY mYsqIWVLpA/yB+8uQLEMEBGdpwFUoab9tgcehLia7VeHbVrUkg/RhlgiYP8fCZXz L9GnWjQBdZavUGPE+abvd5l7ZrYlsB+/KwglW4H1rEtIHVCJ6FvVAE2N7OfxeF1M pw97HI/0xm3jvEeMLMn0LKs92fMlmkeqKBnaoZQec/q+QkdacvLT2g/ezBlg2wfR 83C4qiRhlAwMFpGAfQYdIlTBtqW5oTczQn3sVcF3j0KFSUj8EawTnPv+J5KFa7+d Z23Cw3pg6U1ocrbasBucCElBadgShec6iNbBDcGvRq1IQUEbXcj8ep4BCVVKEmy0 YmrNECPOEJWFdB6y944x8GObv7DjfYeu5gxDihHxUZN0Lgh2rdCw5QaWI9RospTM ZO/9nrNpXdGXQKaD1McWAtBvlfsd/hVNH+ydCkM4UxTSZeL4deTpPbFuFq+SpoM0 IgY3Q3Z9kCagREQbVg9AyXb6RetqilRMPOYQaVGx1tMTy8Bz32Utg+UwFsTxW1DW vA9vf3+7agix4epHugM89PmN0mAHpg0vKizvBOXw3ATWGZBJ1huvUKlhjYWhFt/a WSNTKRzvccNjZy8UHhas =w7A4 -----END PGP SIGNATURE----- --Sig_/Gs9X7bFC/w/8FDAeR3exUh9--