From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 850B5C433EF for ; Fri, 17 Jun 2022 15:39:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236952AbiFQPjU convert rfc822-to-8bit (ORCPT ); Fri, 17 Jun 2022 11:39:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36314 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233719AbiFQPjT (ORCPT ); Fri, 17 Jun 2022 11:39:19 -0400 Received: from eu-smtp-delivery-151.mimecast.com (eu-smtp-delivery-151.mimecast.com [185.58.86.151]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id D7C3623BEA for ; Fri, 17 Jun 2022 08:39:15 -0700 (PDT) Received: from AcuMS.aculab.com (156.67.243.121 [156.67.243.121]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id uk-mta-23-jFPDc8AHPBG7KoJDq-Oxtg-1; Fri, 17 Jun 2022 16:39:13 +0100 X-MC-Unique: jFPDc8AHPBG7KoJDq-Oxtg-1 Received: from AcuMS.Aculab.com (fd9f:af1c:a25b:0:994c:f5c2:35d6:9b65) by AcuMS.aculab.com (fd9f:af1c:a25b:0:994c:f5c2:35d6:9b65) with Microsoft SMTP Server (TLS) id 15.0.1497.36; Fri, 17 Jun 2022 16:39:10 +0100 Received: from AcuMS.Aculab.com ([fe80::994c:f5c2:35d6:9b65]) by AcuMS.aculab.com ([fe80::994c:f5c2:35d6:9b65%12]) with mapi id 15.00.1497.036; Fri, 17 Jun 2022 16:39:10 +0100 From: David Laight To: 'Alan Stern' , Greg KH CC: Mario Limonciello , Jiri Kosina , Benjamin Tissoires , "open list:USB HID/HIDBP DRIVERS [USB KEYBOARDS, MICE, REM..." , "open list:HID CORE LAYER" , open list , Richard Gong Subject: RE: [PATCH v2] HID: usbhid: set mouse as a wakeup resource Thread-Topic: [PATCH v2] HID: usbhid: set mouse as a wakeup resource Thread-Index: AQHYgluyoC2hoFBpKUup69QWlLdMjq1Tuqsg Date: Fri, 17 Jun 2022 15:39:10 +0000 Message-ID: <419f8edc2a7744ecbfaa0728227db180@AcuMS.aculab.com> References: <20220616183142.14472-1-mario.limonciello@amd.com> In-Reply-To: Accept-Language: en-GB, en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.202.205.107] MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=C51A453 smtp.mailfrom=david.laight@aculab.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: aculab.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org From: Alan Stern > Sent: 17 June 2022 16:05 ... > Another issue is whether wakeup for a mouse means pressing a button or > just moving the mouse. For a mouse that uses LEDs to sense motion, > moving it won't generate a wakeup request -- USB suspend does not allow > the mouse to use enough current to keep the LEDs illuminated. On the > other hand, there's no reason why wakeup by pressing a button shouldn't > always work. I'm not even sure I want a system to wake up because it's mouse gets knocked. I guess a mouse could include accelerometers so that you can shake it! I've an idea that one of my systems manages to boot if the mouse is knocked (and it was last shutdown from windows). At least, that it why I think it is sometimes booting up. David - Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK Registration No: 1397386 (Wales)