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Message-ID: <20120413140548.GF25425@zod.bos.redhat.com> Date: Fri, 13 Apr 2012 10:05:49 -0400 From: Josh Boyer <jwboyer@...hat.com> To: Takashi Iwai <tiwai@...e.de> Cc: Jaroslav Kysela <perex@...ex.cz>, alsa-devel@...a-project.org, linux-kernel@...r.kernel.org, kernel-team@...oraproject.org Subject: Re: Thinkpad hda regression in 3.3 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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