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

Paul Bolle pebolle at tiscali.nl
Fri Jan 24 21:14:44 CET 2014

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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