[alsa-devel] Intel HDA fix for Macbook 3,1 and newer

[Takashi Iwai]

At Wed, 13 May 2009 18:40:43 +0300,
Ozan Çağlayan wrote:
> 
> Le Torbi wrote:
> > Hi guys,
> >
> > I'm new to this list and never contributed anything to such a big
> > open-source project like ALSA, so please forgive me if I make some
> > newbie mistakes.
> > But back the the important stuff: I own a MacBook 3,1 and experienced
> > some sound issues with this. I didn't have no sound, but the sound was
> > quite low in quality and volume. After some research and a lot of wrong
> > ways I stumbled upon bug 0004086 "MacBook 4,1 sounds tinny or not at all
> > " in the ALSA bug tracking system
> > (https://bugtrack.alsa-project.org/alsa-bug/view.php?id=4086) and
> > managed to fix it.
> > Any details can be found in the bug report as well as a link to my
> > patch. My questions now are:
> >
> > 1. Could an exprineced ALSA-Coder check my patch for bugs or "newbie 
> > code glitches"?
> > 2. What do I have to do, to get my patch in the official code repository?
> >   
> Cool! I have a MacbookPro5,1 and the same problems. With mbp3 the sound
> quality is very bad.

Did you try the latest alsa-driver snapshot?  It already contains a
patch to support Macbook 5,1 (Aluminium).  The tarball is found at:
   ftp://ftp.kernel.org/pub/linux/kernel/people/tiwai/snapshot/alsa-driver-snapshot.tar.gz


Takashi