[RFT]: RME HDSPe AIO sound driver
br at bsdpad.com
Tue Feb 7 14:25:03 UTC 2012
On Tue, Feb 07, 2012 at 11:35:23AM +0200, Alexander Motin wrote:
> First of all, thank you!
> On 02/07/12 11:09, Ruslan Bukin wrote:
> >This is driver for RME HDSPe AIO (PCIe - series),
> >professional-grade ($800) sound card.
> >Many things not implemented (like MIDI in/out,
> >TCO, WCM and other expansion boards).
> >So only analog and digital in/out are available.
> >Driver registers 8 out and 7 in stereo channels,
> >each represented as separate device, ie:
> I think you are misinterpreting concept of channels used in
> pcm_addchan() function. These channels supposed to provide multiple
> equal playback/record streams -- hardware equivalent of vchans. If
> in your case it is different connectors and you want them to be
> independent -- you should create different PCM/dsp devices for them,
> like emu10kx or hda drivers do.
> >Card frequency is in range (32..192) KHz
> >and period size (32..4096) samples.
> >Period size is exported to dev.pcm.%d.period
> Why are you duplicating here the latency control code already
> implemented in sound(4)? You should just follow buffer/block size
> given to you by the sound(4) via hdspechan_setblocksize() and then
> you can control latency in common way via hw.snd.latency_profile and
thanks, Alexander. I got it :)
give me a few days.
> >Tested on latest HEAD only.
> >patch here:
> Alexander Motin
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