Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756837AbbLAS5L (ORCPT ); Tue, 1 Dec 2015 13:57:11 -0500 Received: from mail-wm0-f53.google.com ([74.125.82.53]:35450 "EHLO mail-wm0-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756806AbbLAS5H (ORCPT ); Tue, 1 Dec 2015 13:57:07 -0500 From: =?UTF-8?q?Adrien=20Verg=C3=A9?= To: Benjamin Tissoires , Oliver Neukum , Jiri Kosina , Greg Kroah-Hartman Cc: Logan Gunthorpe , Hans de Goede , Vincent Palatin , =?UTF-8?q?Adrien=20Verg=C3=A9?= , Macpaul Lin , Adel Gadllah , linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org Subject: [PATCH v5 1/2] USB: quirks: Fix another ELAN touchscreen Date: Tue, 1 Dec 2015 19:56:47 +0100 Message-Id: <1448996208-19713-2-git-send-email-adrienverge@gmail.com> X-Mailer: git-send-email 2.4.3 In-Reply-To: <1448996208-19713-1-git-send-email-adrienverge@gmail.com> References: <1448165164-11398-1-git-send-email-adrienverge@gmail.com> <1448996208-19713-1-git-send-email-adrienverge@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1669 Lines: 42 Like other buggy models that had their fixes [1], the touchscreen with id 04f3:21b8 from ELAN Microelectronics needs the device-qualifier quirk. Otherwise, it fails to respond, blocks the boot for a random amount of time and pollutes dmesg with: [ 2887.373196] usb 1-5: new full-speed USB device number 41 using xhci_hcd [ 2889.502000] usb 1-5: unable to read config index 0 descriptor/start: -71 [ 2889.502005] usb 1-5: can't read configurations, error -71 [ 2889.654571] usb 1-5: new full-speed USB device number 42 using xhci_hcd [ 2891.783438] usb 1-5: unable to read config index 0 descriptor/start: -71 [ 2891.783443] usb 1-5: can't read configurations, error -71 [1]: See commits c68929f, 876af5d, d749947, a32c99e and dc703ec. Tested-by: Adrien Vergé Signed-off-by: Adrien Vergé --- drivers/usb/core/quirks.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index f5a3819..fcd6ac0 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -125,6 +125,9 @@ static const struct usb_device_id usb_quirk_list[] = { { USB_DEVICE(0x04f3, 0x016f), .driver_info = USB_QUIRK_DEVICE_QUALIFIER }, + { USB_DEVICE(0x04f3, 0x21b8), .driver_info = + USB_QUIRK_DEVICE_QUALIFIER }, + /* Roland SC-8820 */ { USB_DEVICE(0x0582, 0x0007), .driver_info = USB_QUIRK_RESET_RESUME }, -- 2.4.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/