From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from www.emergencycommunicationsystems.com ([24.123.23.170]:55494 "EHLO unifiedpaging.messagenetsystems.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754294AbZFZT4N (ORCPT ); Fri, 26 Jun 2009 15:56:13 -0400 Message-ID: <4A4527D0.5040703@messagenetsystems.com> Date: Fri, 26 Jun 2009 15:56:00 -0400 From: Robert Vincent Krakora MIME-Version: 1.0 To: Devin Heitmueller CC: Andy Walls , video4linux-list@redhat.com, linux-media@vger.kernel.org Subject: Re: Bah! How do I change channels? References: <1246017001.4755.4.camel@palomino.walls.org> <829197380906260642m2cd87ae5qd6487dc5eae91e51@mail.gmail.com> <829197380906261023n7e960f43pcd25d82eb12f91dd@mail.gmail.com> <1246041288.3159.51.camel@palomino.walls.org> <829197380906261147g311d9a0ap7c9d5efc1473bf85@mail.gmail.com> <1246042980.3159.68.camel@palomino.walls.org> <829197380906261229g6e9f38q4be149597930ef0@mail.gmail.com> In-Reply-To: <829197380906261229g6e9f38q4be149597930ef0@mail.gmail.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-media-owner@vger.kernel.org List-ID: Devin Heitmueller wrote: > On Fri, Jun 26, 2009 at 3:02 PM, Andy Walls wrote: > >> All I'm saying is that it is obviously the expected behavior, it the >> specified behavior, and all the userland apps and scripts are written >> with that behavior in mind. >> >> The applications' expectation of that behavior is, of course, why we are >> having this discussion. >> >> Assuming arguendo, maintaing state in the face of power management is a >> hard requirement on the driver; I'll still contend it's harder to change >> the existing base of applications and user scripts. Until the spec and >> all the existing apps change, not adhering to the spec leads to user >> confusion. >> > > I guess that means that every product that has a tuner which > implements the sleep callback is broken. And yet this is the first > case I've heard a user complain, which makes me wonder how big a > population is out there that is using scripts to control the tuner. I > suspect most people are just using applications like MythTV, xawtv or > tvtime, which won't have these issues. > > I don't intend to come across as argumentative, but if we haven't > heard a massive outcry about this by now, maybe nobody actually cares > and thus we shouldn't spend the time to build a whole infrastructure > to preserve the driver state across the low power mode. Those people > who really do care can just disable the power management with a > modprobe option. > > Devin > > Devin: I care and I love the infrastructure that has been created. However, it seems as though there are devices that do not conform to the paradigm or maybe they are not truly in "low power" mode. My guess is the latter otherwise there would be a flurry of complaints. Best Regards, -- Rob Krakora Senior Software Engineer MessageNet Systems 101 East Carmel Dr. Suite 105 Carmel, IN 46032 (317)566-1677 Ext. 206 (317)663-0808 Fax