[alsa-devel] Major reworks on patch_via.c (TESTERS WANTED)

Jan Binder phoenix.diablo at googlemail.com
Wed Jun 22 10:02:25 CEST 2011

Am Montag, 20. Juni 2011, 17:06:51 schrieb Takashi Iwai:
> Hi,
> as there have many problems reported for VIA codecs, I started looking
> at the driver code, and decided to rework on it.
> The current development is found in sound git tree topic/via-cleanup
> branch:
>    git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6.git
> You can pull into the latest Linus tree from topic/via-cleanup
> branch:
>    # this is the vanilla tree
>    % cd linux-2.6
>    % git pull \
>       git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6.git \
>       topic/via-cleanup
> A good thing is that a fair amount of code reduction is done there:
> % git diff HEAD..topic/via-cleanup --stat sound/pci/hda/patch_via.c
>  sound/pci/hda/patch_via.c | 5892
> +++++++++++---------------------------------- 1 files changed, 1453
> insertions(+), 4439 deletions(-)
> But, the driver isn't tested with real machines, yet.  That is, I need
> testers with real machines.
> Could VIA machine owners take a look at these commits and test it if
> possible?  Especially, I'd like to know whether the headphone
> auto-mute works in this form or not.

I will have a look at this.
On a related note, I am experiencing a bug regarding SPDIF output as  
described here: https://bugtrack.alsa-project.org/alsa-bug/view.php?id=4330
If this could be fixed within this rework, it would be greatly appreciated.

> FWIW, the branch was merged to sound-unstable tree, so you can build
> from alsa-driver-unstable snapshot tarball if you'd like to build
> external modules without the kernel tree and git-merge.
> ftp://ftp.kernel.org/pub/linux/kernel/people/tiwai/snapshot/alsa-driver-un
> stable-snapshot.tar.gz
> Also, if anyone has alsa-info.sh outputs of VIA codecs, please let me
> know.  It'd be very helpful for debugging, since I can check it via
> hda-emu with alsa-info.sh output.  For now, I have the files of only
> VT1702, VT1708S, VT1718S, VT1828S and VT2020 codecs.  The alsa-info.sh
> outputs of other VIA codecs would be greatly appreciated.

You can find the info-alsa.sh output for my VIA VT1708B 8-Ch at
> thanks,
> Takashi
Jan Binder

More information about the Alsa-devel mailing list