From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pavel Machek Subject: Re: [RFC] What are the goals for the architecture of an in-kernel IR system? Date: Tue, 15 Dec 2009 12:47:13 +0100 Message-ID: <20091215114712.GA1385@ucw.cz> References: <20091206065512.GA14651@core.coreip.homeip.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-media-owner@vger.kernel.org To: Christoph Bartelmus Cc: dmitry.torokhov@gmail.com, awalls@radix.net, hermann-pitton@arcor.de, j@jannau.net, jarod@redhat.com, jarod@wilsonet.com, jonsmirl@gmail.com, khc@pm.waw.pl, kraxel@redhat.com, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@redhat.com, superm1@ubuntu.com List-Id: linux-input@vger.kernel.org On Sun 2009-12-06 12:59:00, Christoph Bartelmus wrote: > Hi Dmitry, > > on 05 Dec 09 at 22:55, Dmitry Torokhov wrote: > [...] > > I do not believe you are being realistic. Sometimes we just need to say > > that the device is a POS and is just not worth it. Remember, there is > > still "lirc hole" for the hard core people still using solder to produce > > something out of the spare electronic components that may be made to > > work (never mind that it causes the CPU constantly poll the device, not > > letting it sleep and wasting electricity as a result - just hypotetical > > example here). > > The still seems to be is a persistent misconception that the home-brewn > receivers need polling or cause heavy CPU load. No they don't. All of them > are IRQ based. I have at least one that needs polling/signal processing... somewhere. IR LED connected to mic input. Anyway, clearly hacked-up devices like that are better left for userland solutions. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html