HDA sound driver mod for sigmatel 92xx

[Eric Anderson]

On 07/17/06 00:57, Norberto Meijome wrote:
> On Mon, 17 Jul 2006 11:36:22 +1000
> Norberto Meijome <freebsd at meijome.net> wrote:
> 
>> On Sun, 9 Jul 2006 15:17:24 +0100
>> Andrea Bittau <a.bittau at cs.ucl.ac.uk> wrote:
>>
>>> by the way, I got a version which should record stuff too:
>>> http://darkircop.org/hdac-rec.tgz
>> Hi all,
>> I downloaded and tried this last night . It works great, including with Skype
>> (for me, main reason for having sound really :)  ). Thanks!!
>>
>> Some things though (and you probably know them already):
>>  - /usr/sbin/mixer  (6.1 from yesterday) sees 2 devices, vol and rec, but no
>> recording device (even setting =rec rec doesnt work). BUT setting the volume
>> to the rec device does work.... strange:
>>
>>
>> [betom at ayiin] [Mon Jul 17 11:27:36 2006]
>> /usr/home/betom
>> $ mixer
>> Mixer vol      is currently set to 100:100
>> Mixer rec      is currently set to  90:90
>> Recording source:
>>
>> [betom at ayiin] [Mon Jul 17 11:31:36 2006]
>> /usr/home/betom
>> $ mixer =rec rec
>> mixer: unknown recording device: rec
>> usage: mixer [-f device] [-s | -S] [dev [+|-][voll[:[+|-]volr]] ...
>>        mixer [-f device] [-s | -S] recsrc ...
>>        mixer [-f device] [-s | -S] {^|+|-|=}rec rdev ...
>>  devices: vol, rec
>>  rec devices:
>>
>> - How stable is the support for resume on a laptop? I got a couple of crashes
>> on resume ( one a hard lock, the other what seemed like really slow access to
>> HD, but in-memory apps were ok...ended up having to hard boot it). Just now,
>> it has worked fine, so I haven't any hard evidence yet to point it to
>> hdac.ko .
>>
>> Unloading from devd , suspend, resume, reload from devd works every time, but
>> hdac cannot be unloaded when XFCE is running as xfce4-panel and
>> xfce-mcs-manager keep mixer0 open:
>>
>> [betom at ayiin] [Mon Jul 17 11:31:45 2006]
>> /usr/home/betom
>> $ fstat | grep mixer
>> betom    xfce4-panel  1237   12 /dev        113 crw-rw-rw-  mixer0 rw
>> betom    xfce-mcs-manager  1223    5 /dev        113 crw-rw-rw-  mixer0 rw
>>
>> I'm thinking of installing one of the sound daemons (arts ? ) and route
>> everything sound-related through it. then shut down artsd from my
>> acpi_shutdown script , unload hdac and bring it back up...  we'll see how
>> that goes.
> 
> Another strange thing, not sure if related to the hdac-rec driver: 
>  - videos from youtube dont have any sound. Flash 7, FFox 
> firefox-1.5.0.4,1   Web browser based on the browser portion of Mozilla
> firefox-remote-20040803 Wrapper scripts for firefox web browser
> linux-flashplugin-7.0r63 The official Macromedia Flash Player for Linux Mozilla
> and
> 
> Sound *does* work in other flash-powered sites :
> http://www.adobe.com/products/flash/flashpro/ has a marketing video  from
> adobe, and it works just fine.
> 
> FWIW, i get a completely hung FFox when using video.google.com (when trying to
> watch a video), or any site that references video.google.com.
> 
> Beto


I had the same problem with google video, until I switched to 
linux-firefox, which works amazingly well.

Eric


-- 
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Eric Anderson        Sr. Systems Administrator        Centaur Technology
Anything that works is better than anything that doesn't.
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