From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753849AbcGHBFx (ORCPT ); Thu, 7 Jul 2016 21:05:53 -0400 Received: from mga11.intel.com ([192.55.52.93]:15820 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753464AbcGHBFo (ORCPT ); Thu, 7 Jul 2016 21:05:44 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.28,326,1464678000"; d="scan'208";a="1012860252" Subject: Re: [PATCH 1/1] usb: quirks: Add no-lpm quirk for Elan Microelectronics Touchpad To: Joseph Salisbury , gregkh@linuxfoundation.org, hdegoede@redhat.com, adrienverge@gmail.com, yaowen@google.com, vpalatin@chromium.org, stern@rowland.harvard.edu References: Cc: linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stable@vger.kernel.org From: Lu Baolu Message-ID: <577EFC59.40905@linux.intel.com> Date: Fri, 8 Jul 2016 09:05:29 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.5.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, On 07/07/2016 05:53 AM, Joseph Salisbury wrote: > BugLink: http://bugs.launchpad.net/bugs/1498667 > > As reported in BugLink, this device has an issue with Linux Power Management so s/"Linux Power Management"/"USB Link Power Management" Best regards, Lu Baolu > adding a quirk. This quirk was reccomended by Alan Stern: > > http://lkml.iu.edu/hypermail/linux/kernel/1606.2/05590.html > > Signed-off-by: Joseph Salisbury > Cc: stable > > --- > 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 944a6dc..a33d003 100644 > --- a/drivers/usb/core/quirks.c > +++ b/drivers/usb/core/quirks.c > @@ -198,6 +198,9 @@ static const struct usb_device_id usb_quirk_list[] = { > /* Protocol and OTG Electrical Test Device */ > { USB_DEVICE(0x1a0a, 0x0200), .driver_info = > USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL }, > + > + /* ELAN Microelectronics Touchscreen */ > + { USB_DEVICE(0x04f3, 0x0381), .driver_info = USB_QUIRK_NO_LPM }, > > /* Acer C120 LED Projector */ > { USB_DEVICE(0x1de1, 0xc102), .driver_info = USB_QUIRK_NO_LPM },