[PATCH] added detection of ALSA OSS devices

[Danny Kukawka]

Hi,

On Monday 25 July 2005 22:03, David Zeuthen wrote:
> On Sat, 2005-07-23 at 06:30 +0200, Danny Kukawka wrote:
[...]
> Sorry for being slow again; just returned late last night from
> OLS/DDC...

no problem ;-)

[...]
> Do you think it's useful to add these devices? 

Yes, I think we should. We need this on SUSE to set up permissions for
these devices with resmgr. I discussed this and the relations between
the alsa and oss devices with our alsa developer (Takashi Iwai)

> I don't know a lot about 
> ALSA really, what does ALSA OSS device support entail? 

ALSA and OSS are two different things. Quote from [1]: "One of the aims
of ALSA is to provide full OSS compatibility for OSS applications. ALSA
has an OSS emulation which supports all of the OSS devices listed below
although the OSS sequencer /dev/sequencer only half works (playback
works but recording from MIDI keyboards is broken ...)". For more
information also see [2].

> I'm wary about 
> adding them but I realize I know very little about ALSA and it's pretty
> complicated already :-)
[...]
> p.s.: Going through this I've just fixed a bug where we didn't export
> the ALSA device (now it's at alsa.device_file) so your patch might not
> apply

O.K. I have attached a new patch for this.

Cheers,
Danny

[1] http://alsa.opensrc.org/index.php?page=OssEmulation
[2] http://alsa-project.org/~iwai/OSS-Emulation.html
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