[alsa-devel] Macbook Air 2.1 - No sound on main speakers

[Takashi Iwai]

At Thu, 11 Dec 2008 18:02:59 +0100,
Klaus Schulz wrote:
> 
> Hi there.
> 
> Fowarded from my "Ubuntu manual upgrade thread":
> 
> Another problem with  Realtek.
> 
> No sound on mainspeakers on MACBOOK Air 2.1.
> 
> A known issue??

A broken BIOS, possibly.
There are three model presets for Intel macs with ALC885 and
compatible: model=macpro, model=mbp3, model=imac24.  Try them.


> See also the different aplay and codec IDs!

It's no error.


Takashi

> Klaus
> 
> Quote:
> 
> -----------------------
> 
> No sound on main internal speaker. Headphones do work fine.
> Macbook Air 2,1
> Ubuntu Intrepid server Kernel 2.6.27-9
> Alsa Driver version 1.0.18a GIT snapshot from 12/4/08
> Sound card nVidia MCP79 (device id 10de:0ac0)
> aplay -l: ALC885
> /proc/asound/card0/codec#0 CODEC ALC889a
> 
> lspci -nv
> 00:08.0 0403: 10de:0ac0 (rev b1)
> Subsystem: 10de:cb79
> 
> ------------------------
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