[alsa-devel] how does hw:0, 1 eventually get mapped to /dev/snd/controlC0 and company? is this on the wiki somewhere?

Takashi Iwai tiwai at suse.de
Fri Mar 30 14:52:19 CEST 2007

At Thu, 29 Mar 2007 22:10:50 -0400,
Lee Revell wrote:
> On 3/29/07, John Utz <John.Utz at dmx.com> wrote:
> > since i dont need a generic solution, it would be very helpful to me to not use alsa-lib and just use the alsa modules the way that our current version of the player uses /dev/dsp from the alsa oss-compat kernel modules.
> >
> > i'd like to open and playback to /dev/snd/pcmC0D0p and /dev/snd/pcmC0D1p directly if it's a reasonable thing to do.
> The alsa-lib <-> kernel interface is intentionally undocumented.  The
> only officially supported interface to ALSA is via alsa-lib.

Well, not completely intentional.  But we _recommend_ alsa-lib as the
primary accessor, and at least I have no interest in writing another
accessor right now.  The documentaion itself is always good ;)


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