From mboxrd@z Thu Jan 1 00:00:00 1970 From: Josh Boyer Subject: Re: Thinkpad hda regression in 3.3 Date: Fri, 13 Apr 2012 10:05:49 -0400 Message-ID: <20120413140548.GF25425@zod.bos.redhat.com> References: <20120413124306.GC25425@zod.bos.redhat.com> <20120413132352.GD25425@zod.bos.redhat.com> <20120413133721.GE25425@zod.bos.redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org To: Takashi Iwai Cc: Jaroslav Kysela , alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, kernel-team@fedoraproject.org List-Id: alsa-devel@alsa-project.org On Fri, Apr 13, 2012 at 03:41:53PM +0200, Takashi Iwai wrote: > At Fri, 13 Apr 2012 09:37:21 -0400, > Josh Boyer wrote: > Thanks. As mentionted, the difference between two setups (sent in two > posts) is seen in the mixer setup. I personally don't mind which > setup is taken; it's rather a choice of users. So, let me know which > setup is preferred by testers. You're referring to the inclusion of pin 0x19 or not here, right? > The reason behind such multiple setups is that the codec chip has only > two DACs while you want to access for three or more outputs (two > headphones, one speaker, etc). Thus some outputs must share the same > DAC. I'm guessing when someone undocks the pins are reconfigured back to the jacks on the laptop itself somehow? I must admit, ALSA and it's multi-codec hda driver with lots of pin swizzling is somewhat intimidating at the moment. If I ask stupid questions, please bear with me :). josh