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From: Josh Boyer <jwboyer@redhat.com>
To: Takashi Iwai <tiwai@suse.de>
Cc: Jaroslav Kysela <perex@perex.cz>,
	alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org,
	kernel-team@fedoraproject.org
Subject: Re: Thinkpad hda regression in 3.3
Date: Fri, 13 Apr 2012 10:05:49 -0400	[thread overview]
Message-ID: <20120413140548.GF25425@zod.bos.redhat.com> (raw)
In-Reply-To: <s5hd37bvjdq.wl%tiwai@suse.de>

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

  reply	other threads:[~2012-04-13 14:06 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-04-13 12:43 Thinkpad hda regression in 3.3 Josh Boyer
2012-04-13 13:07 ` Takashi Iwai
2012-04-13 13:07   ` Takashi Iwai
2012-04-13 13:23   ` Josh Boyer
2012-04-13 13:29     ` Takashi Iwai
2012-04-13 13:29       ` Takashi Iwai
2012-04-13 13:37       ` Josh Boyer
2012-04-13 13:41         ` Takashi Iwai
2012-04-13 13:41           ` Takashi Iwai
2012-04-13 14:05           ` Josh Boyer [this message]
2012-04-13 14:13             ` Takashi Iwai
2012-04-13 14:13               ` Takashi Iwai
2012-04-13 13:26   ` Takashi Iwai
2012-04-13 13:26     ` Takashi Iwai
2012-04-13 16:07   ` Takashi Iwai
2012-04-13 16:07     ` Takashi Iwai
2012-04-13 18:08     ` Josh Boyer
2012-04-13 19:21       ` Takashi Iwai
2012-04-13 19:21         ` Takashi Iwai
2012-04-18  0:23       ` Josh Boyer
2012-04-18  5:49         ` Takashi Iwai

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