[alsa-devel] [PATCH] ALSA: hda - Fix silent output on MacBook Air 1, 1

Adrien Vergé adrienverge at gmail.com
Fri Jan 24 21:46:27 CET 2014

I think very few people use Linux on their MBA 1,1. Moreover, part of
them remained on v2.6.

2014/1/24 Paul Bolle <pebolle at tiscali.nl>:
> On Fri, 2014-01-24 at 14:56 -0500, Adrien Vergé wrote:
>> Similarly to other Apple products, MBA 1,1 needs a specific quirk.
>> Pin 0x18 must be set to VREF_50 to have sound output.  This was no
>> longer done since commit 1a97b7f, resulting in a mute built-in speaker.
> Commit 1a97b7f ("ALSA: hda/realtek - Remove the last static quirks for
> ALC882") was included in v3.4. Did no-one notice this for 9 releases?
>> This patch corrects the regression by creating a fixup for the MBA 1,1.
>> Tested-by: Adrien Vergé <adrienverge at gmail.com>
>> Signed-off-by: Adrien Vergé <adrienverge at gmail.com>
> Paul Bolle

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