From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757555Ab3J1VUN (ORCPT ); Mon, 28 Oct 2013 17:20:13 -0400 Received: from scrye.com ([75.148.32.185]:53985 "EHLO mail.scrye.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751852Ab3J1VUK (ORCPT ); Mon, 28 Oct 2013 17:20:10 -0400 X-Greylist: delayed 601 seconds by postgrey-1.27 at vger.kernel.org; Mon, 28 Oct 2013 17:20:10 EDT Date: Mon, 28 Oct 2013 15:02:50 -0600 From: Kevin Fenzi To: linux-kernel@vger.kernel.org Subject: ELAN Touchscreen regression in recent 3.12 rc's? (USB) Message-ID: <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_/28v8_FZxTWhswcEU1m4zUh6"; protocol="application/pgp-signature" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --Sig_/28v8_FZxTWhswcEU1m4zUh6 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Greetings.=20 I have a lenovo yoga 2 pro.. it has a ELAN Touchscreen.=20 In 3.12rc5 it was detected and works.=20 in 3.12rc6 it was detected and works.=20 Sometime after the rc6 timeframe it stopped working. It doesn't work with rc7.=20 In dmesg I get:=20 [ 159.519663] usb 2-7: New USB device found, idVendor=3D04f3, idProduct=3D= 016f [ 159.519681] usb 2-7: New USB device strings: Mfr=3D4, Product=3D14, Seri= alNumber=3D0 [ 159.519683] usb 2-7: Product: Touchscreen [ 159.519685] usb 2-7: Manufacturer: ELAN [ 159.519901] usb 2-7: ep 0x2 - rounding interval to 64 microframes, ep de= sc says 80 microframes [ 159.528027] input: ELAN Touchscreen as /devices/pci0000:00/0000:00:14.0/= usb2/2-7/2-7:1.0/input/input20 [ 159.528544] hid-multitouch 0003:04F3:016F.000A: input,hiddev0,hidraw1: U= SB HID v1.10 Device [ELAN Touchscreen] on usb-0000:00:14.0-7/input0 [ 161.601423] usb 2-7: USB disconnect, device number 71 [ 161.896828] usb 2-7: new full-speed USB device number 72 using xhci_hcd [ 163.991296] usb 2-7: unable to read config index 0 descriptor/start: -71 [ 163.991301] usb 2-7: can't read configurations, error -71 [ 164.143686] usb 2-7: new full-speed USB device number 73 using xhci_hcd [ 166.239273] usb 2-7: unable to read config index 0 descriptor/start: -71 [ 166.239278] usb 2-7: can't read configurations, error -71 [ 166.392576] usb 2-7: new full-speed USB device number 74 using xhci_hcd [ 168.487051] usb 2-7: unable to read config index 0 descriptor/start: -71 [ 168.487058] usb 2-7: can't read configurations, error -71 [ 168.640308] usb 2-7: new full-speed USB device number 75 using xhci_hcd [ 170.734850] usb 2-7: unable to read config index 0 descriptor/start: -71 [ 170.734856] usb 2-7: can't read configurations, error -71 [ 170.734927] hub 2-0:1.0: unable to enumerate USB device on port 7 [ 171.022134] usb 2-7: new full-speed USB device number 76 using xhci_hcd [ 173.116744] usb 2-7: unable to read config index 0 descriptor/start: -71 [ 173.116750] usb 2-7: can't read configurations, error -71 [ 173.269840] usb 2-7: new full-speed USB device number 77 using xhci_hcd [ 173.282520] usb 2-7: New USB device found, idVendor=3D04f3, idProduct=3D= 016f [ 173.282526] usb 2-7: New USB device strings: Mfr=3D4, Product=3D14, Seri= alNumber=3D0 [ 173.282528] usb 2-7: Product: Touchscreen [ 173.282530] usb 2-7: Manufacturer: ELAN [ 173.282782] usb 2-7: ep 0x2 - rounding interval to 64 microframes, ep de= sc says 80 microframes [ 173.290920] input: ELAN Touchscreen as /devices/pci0000:00/0000:00:14.0/usb2/2-7/2-7:1.0/input/input21 So it seems to be bouncing in and out (but never long enough to actually wo= rk).=20 Could be a regression in xhci_hcd?=20 Happy to provide more info/details/etc=20 kevin --Sig_/28v8_FZxTWhswcEU1m4zUh6 Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (GNU/Linux) iQIcBAEBCgAGBQJSbtD8AAoJEEs3sNgP+7tebSgQAJnbciJMs9KuXD7OGgViztkb 6WAnxR6CT/23CpZsRZ7ira5EZRjk1TiDgn6dFK2dqNmbiW+ITzqRIMajTje/E6QA u0Qwc6MHImMYBMkCfS1d0mzPSt+m+Yr6FJ3BG3lVyaBZCd4J227nYTikBLaDu2ab hEQ8szfrLd7LvvbUtCBp1xgRF1Ycw1C70m1uiE49AW4Y3M/L+l5xY+lWG7mXUnuD 4nlg7tYJRIXcbldyTvFUHdDvZEhy0b8I4NKa/jU3kkqXgZWexfMo3pOMntSCxiTW uZCkxTkgHq1uYiJY1geIJLCzQ+IMH7r5+IJChj1NKQLwtsstZDvArBjzDAIr4jpU 564471e3vUodYFNjcEQoj7MqRTFVuL3f6JYyqADt/w0wjaWCDvQ9JpkFwM5RLQ3o vdjozCzt1hMOBjUIAbiHzxK+GsJkcYVSBZaWeO2gwxCTPH8KAg8ghcOj29ldI8od wUoUW1PwCtGa2p3tpduKhozSeWy1RhqBGIGavIMIPG1UokLhG2OJe3C0GwWoIVzX 75+vmsbBVto7nFZce9ODGgZAqErp0lwINJPmdR27hM9qHZxEPZAMBQEEzwSnDLAc gj0OZ6rC8SyzMMLM8GTA4iWz0S4eosWmaTwBkS2HpxWUYFUqbDC/xwOSE0v+dbOA p8JiDevxn3aNz8yDKGnY =UKYr -----END PGP SIGNATURE----- --Sig_/28v8_FZxTWhswcEU1m4zUh6--