From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lennart Poettering Subject: Re: Device creation order Date: Sun, 5 Apr 2009 16:40:42 +0200 Message-ID: <20090405144041.GA31963@tango.0pointer.de> References: <20090403015429.GA702@tango.0pointer.de> <49D5BCF6.1020407@ladisch.de> <20090403115647.GD15646@tango.0pointer.de> <20090405131605.GA31915@localhost> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from tango.0pointer.de (tango.0pointer.de [85.214.72.216]) by alsa0.perex.cz (Postfix) with ESMTP id 4011610381C for ; Sun, 5 Apr 2009 16:40:53 +0200 (CEST) Content-Disposition: inline In-Reply-To: <20090405131605.GA31915@localhost> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: alsa-devel-bounces@alsa-project.org Errors-To: alsa-devel-bounces@alsa-project.org To: alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org On Sun, 05.04.09 21:16, Wu Fengguang (fengguang.wu@intel.com) wrote: > > I'll ignore this for now since Jaroslav mentioned drivers doing this > > are still experimental. But eventually we'd need to know some kind of > > 'end notification' for this as well: i..e if the reconfiguration > > causes multiple device nodes to disappear/appear we also need to know > > when they are all complete. A possible simple fix would be to issue an > > udev 'change' event on the control device after the reconfiguration > > finished. > > btw, HDMI sink devices could be taught to generate more event types: > > - hotplug > The user connected/disconnected a HDMI device. Wouldn't that overlap with the jack sensing API? > - reconfiguration > The update of HDMI audio capabilities due to some user actions. > > - pause/play of audio stream > An advanced feature in Consumer Electronics Control (CEC) for > high-level user control of HDMI-connected devices. What would these be? > > The HDMI audio devices will be created at module loading time, and > won't be dynamically created/tear down on hotplug events. I wonder > if PA is interested in the HDMI current-connectivity state? Yes, we certainly are. I am not entirely sure though how to best expose this. Lennart -- Lennart Poettering Red Hat, Inc. lennart [at] poettering [dot] net ICQ# 11060553 http://0pointer.net/lennart/ GnuPG 0x1A015CC4