From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthew Garrett Subject: Re: [PATCH] Fix mute key on older Thinkpads by OSI blacklisting them Date: Sun, 25 Apr 2010 19:44:05 +0100 Message-ID: <20100425184405.GA29130@srcf.ucam.org> References: <1272062884.1594.73.camel@laptop> <20100424160114.GA13867@srcf.ucam.org> <1272142178.1839.138.camel@laptop> <20100424211601.GA16731@srcf.ucam.org> <1272154109.1839.345.camel@laptop> <20100425022832.GA27607@khazad-dum.debian.net> <1272220091.1274.94.camel@laptop> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from cavan.codon.org.uk ([93.93.128.6]:57527 "EHLO cavan.codon.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753373Ab0DYSoL (ORCPT ); Sun, 25 Apr 2010 14:44:11 -0400 Content-Disposition: inline In-Reply-To: <1272220091.1274.94.camel@laptop> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Jerone Young Cc: Henrique de Moraes Holschuh , linux-acpi@vger.kernel.org On Sun, Apr 25, 2010 at 01:28:11PM -0500, Jerone Young wrote: > I think it's not really possible to get it correct with thinkpad-acpi . > The reason is the userspace sound server. In our case it's pulse audio. > So we are no longer just dealing with ALSA anymore. So if the OS gets a > proper hotkey event it is able to mute at the pulse audio level then, > pulse audio does work at the ALSA level (toggling the mixer). > thinkpad-acpi has no way to check on the status of pulse audio. This really isn't a problem. We have a mixer device for the Thinkpad's own mixer, and we can send ALSA events to indicate that its state has changed. -- Matthew Garrett | mjg59@srcf.ucam.org