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Wed, 8 Dec 2021 10:03:56 +0000 Received: from DB7PR04MB5050.eurprd04.prod.outlook.com ([fe80::e9d6:1be9:d046:af1]) by DB7PR04MB5050.eurprd04.prod.outlook.com ([fe80::e9d6:1be9:d046:af1%7]) with mapi id 15.20.4755.022; Wed, 8 Dec 2021 10:03:55 +0000 Subject: Re: [PATCH v1 1/2] HID: usbhid: enable remote wakeup function for usbhid device To: Yinbo Zhu , Jiri Kosina , Benjamin Tissoires , Greg Kroah-Hartman , Thinh Nguyen , Mathias Nyman , Alan Stern , Rajat Jain , Chris Chiu , linux-usb@vger.kernel.org, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org References: <1638956391-20149-1-git-send-email-zhuyinbo@loongson.cn> From: Oliver Neukum Message-ID: Date: Wed, 8 Dec 2021 11:03:53 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.12.0 In-Reply-To: <1638956391-20149-1-git-send-email-zhuyinbo@loongson.cn> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Content-Language: en-US X-ClientProxiedBy: AM6P194CA0013.EURP194.PROD.OUTLOOK.COM (2603:10a6:209:90::26) To DB7PR04MB5050.eurprd04.prod.outlook.com (2603:10a6:10:22::23) MIME-Version: 1.0 Received: from localhost.localdomain (2001:a61:3b82:1901:9d6b:5ffd:1b6b:2163) by AM6P194CA0013.EURP194.PROD.OUTLOOK.COM (2603:10a6:209:90::26) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4755.20 via Frontend Transport; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?gSbsMZQ6eRSuHieze1d2TzGiraK9oYFEAxHZnRYv9mF7ZMF5HqqxW0puObll?= =?us-ascii?Q?3M0RBVFIZkVRQz85YTZwbFrVN87Y1MzfnG7TBKfoQzB3b+6FEjHqwiKapjze?= =?us-ascii?Q?0942/i2ECUAXRZoMDbLnmu5rcu/eheeHB5XxbQQsUA72UAShR/AeYoWLiwm4?= =?us-ascii?Q?erLO5W3U+OIhdQYd0SO3RKu0Y8NeFEj5PpinZ1KjclGHZMb7uvX8LpXSQH9C?= =?us-ascii?Q?8HiyBgp6kjQpMhvRsQh1JndbqeJqCbisv1nODhXN33CDaE4fPuU6w2LhxbGq?= =?us-ascii?Q?Lw3b+a47gRe+l32wQT4U8allE3LniAtbQNQwdOqbvdbuNQGdCacHXJVLCZNE?= =?us-ascii?Q?H/ex7Dpyw6QxSTViDSBxmDxwHRfEdBdFYtP1VY4LNpOZn/eVDWnV7OeP1TMN?= =?us-ascii?Q?QpR0L3jcVPSq9l0As2Ru4vwiclWqaw7IFw0K5FNAZ/+q+5cpCJsJ2W07irrC?= =?us-ascii?Q?7VB8SWKv+tPBmRvyhlh3OGtsxipzmEOpI2tcZZ6WM188O0ZGBEC8tW9UTniW?= =?us-ascii?Q?sAqxnRFBShrTCso/EUV38GiAei0JiSXTcQMcdLZ5maUwQyqD90y6tMB0FlAM?= =?us-ascii?Q?xR8YKa/daNMrnSr272eJ/aRXLw1Et7L5l0pqvGXpMtQ+e32KUbMV96HEVABP?= =?us-ascii?Q?G9gReIHWsAzqytsZIEVgSbzn/9dbba19BbWnMppQK+5sSMWSW/l0dd064V1L?= =?us-ascii?Q?Kgf53JwnhLzSc6D2P17U+LiYIErr8CNDhVeN499C5dj2gFrQ1i8YZC3+LNeQ?= =?us-ascii?Q?L5wVPNSXlU7uPkKwPIkJzgcUhmDxkLi7uh1jkhtpV+t4Ps2QD01AasJ/7tTr?= =?us-ascii?Q?WB4YFcII1FlzgN7kEtRp0t2lxM0x5M1CKp3Ul8D+LPP0BJ8TildmrxWkn5QX?= =?us-ascii?Q?alTfQT1jGvWyaLxRLUxncXlvZMXxNcuQ98YhrDGaRJOX1xBm5njkw2nQN+ZJ?= =?us-ascii?Q?vgHjZKSbTg3ITuHnLgsagvdKY6wKnaqhiuLvkFG0YsIvRqEb5Iw5h5ZOD+9P?= =?us-ascii?Q?ww1NXGkGI85hVkwA0hZ+keqcaWlFgAuQOLjGdkb3Jn70LA3nFDkZffjB87lJ?= =?us-ascii?Q?eVQx2ElSU3fusYGG/nmSGSQzKwGpHTOZ3v2rI1fMHDlJL5A4MCulQ8iKV/sX?= =?us-ascii?Q?A+1n9uVfrDjHKvJQvUhzVEJpen5G7lDNgOjX+lIy3FdnsQKCd6VERrxhCak1?= =?us-ascii?Q?qdoMC5uPIUTD7NxrZLGe+Od80MjluXl+spO6t/b0oP64lZhfaTSZpX7tEUdo?= =?us-ascii?Q?Uiii2n694C0Rv3/Lb1h4RPTFx6QR4rGgF0yEDAKyh+n7OZjB2WccMYUkBU5W?= =?us-ascii?Q?6ZBkR1PNk+qaEQAHrkVBFpfLqpP9o5R/UCjM/un1IT+Kr+tM4FQVgRSQIAzn?= =?us-ascii?Q?0q2lCytSfi7ICzc1t/dY5pKjYctXa2yYewwY1WmIMSkROS9JY6PzCl3aCgAF?= =?us-ascii?Q?nXe0o/ESa9S9XuuBBqXPy6CpQN+rGC7MsUAwvfG+AapoM/h3TjgigY2yqybt?= =?us-ascii?Q?8JlaeioetPsd2t33uWCtTeAP7BCwiV72pf9JEsDFh1d7q1lLscDu5nV8KDi2?= =?us-ascii?Q?ijGYn3P1rRyraFR1Id18o6fAoh6EipHqWqPe6gQk+K8ZU8FBTSH1Kwz0VUp5?= =?us-ascii?Q?24d7aeD2OdAOUkfeqUrezTWsIRS/j5vHzj3kQc318bE48/gvf7FdZ1vugac5?= =?us-ascii?Q?+Z97zoetpSHN7c9VpoQaXA2kAsk=3D?= X-OriginatorOrg: suse.com X-MS-Exchange-CrossTenant-Network-Message-Id: 666c0641-bcd7-4034-2862-08d9ba320bad X-MS-Exchange-CrossTenant-AuthSource: DB7PR04MB5050.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Dec 2021 10:03:55.8753 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: f7a17af6-1c5c-4a36-aa8b-f5be247aa4ba X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: PjNwDPU+Fo5eJSrDkyYILtEf0YU0E49c/+Sxh2PqZ1gJLokiOXmSSrjs0IL78N4Np2uCGcW1Hne3BV6xNXUJYA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB7PR04MB5401 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org On 08.12.21 10:39, Yinbo Zhu wrote: > The remote wake-up function is a regular function on usb hid device > and I think keeping it enabled by default will make usb application > more convenient. This patch is to enable remote wakeup function for > usb hid device. > Hi, I am afraid we cannot do this. It will cause regression. Consider for example the case of laptops with touchscreens that will trigger a wake up when the laptop is closed. =C2=A0=C2=A0=C2=A0 Regards =C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 Oliver