From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Henrik Rydberg" Subject: Re: [PATCH V3] input: Fix USB autosuspend on bcm5974 Date: Wed, 12 Oct 2011 20:50:03 +0200 Message-ID: <20111012185003.GB10397@polaris.bitmath.org> References: <20111012135439.GA25266@srcf.ucam.org> <20111012142621.GA25803@srcf.ucam.org> <201110121638.38747.oliver@neukum.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from smtprelay-b12.telenor.se ([62.127.194.21]:58905 "EHLO smtprelay-b12.telenor.se" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752838Ab1JLSnL (ORCPT ); Wed, 12 Oct 2011 14:43:11 -0400 Received: from iph4.telenor.se (iph4.telenor.se [195.54.127.135]) by smtprelay-b12.telenor.se (Postfix) with ESMTP id E4B58EA3A3 for ; Wed, 12 Oct 2011 20:43:08 +0200 (CEST) Content-Disposition: inline In-Reply-To: <201110121638.38747.oliver@neukum.org> Sender: linux-input-owner@vger.kernel.org List-Id: linux-input@vger.kernel.org To: Oliver Neukum Cc: Matthew Garrett , Alan Stern , Dmitry Torokhov , linux-input@vger.kernel.org On Wed, Oct 12, 2011 at 04:38:38PM +0200, Oliver Neukum wrote: > Am Mittwoch, 12. Oktober 2011, 16:26:21 schrieb Matthew Garrett: > > Sorry, yes, you're right. In that case it's probably working for me > > because the keyboard is another interface on the same device, so the > > wakeup bit is being set from there. > > Very good. A mystery is solved. Indeed you may have found > a deficiency in the USB spec. Glad you sorted this out. So we can really only treat a device as one (auto)power unit, due to remote wakeup being requested at the device level, rather than at the interface level. Thanks, Henrik