On Mon, Feb 27, 2017 at 12:51:08PM +0100, Matthias Reichl wrote: > On Mon, Feb 27, 2017 at 10:21:25PM +1100, Matt Flax wrote: > > > > > > On 27/02/17 21:30, Matthias Reichl wrote: > > > > > >I don't see that. Some people might want to be able to use multichannel > > >on RPi, but that's something very different than adding code that just > > >lies about driver capabilites. > > > > > > > I am going to invite you over for dinner to eat steamed vegetables :) > > If I make the steamed vegetables in the microwave and they taste like > > steamed vegetables, are they steamed vegetables ? > > If you connect an amplifier with a volume control to your soundcard > does that mean that your soundcard now has a volume control? No, your > amp has. > > > I have a bcm2835 (Pi 2 and 3) SoC here. It is producing multichannel (8 out, > > 6 in) audio. In ALSA we call that DSP mode - right ?! > > No. DSP modes are protocol/timing specifications as I2S, PDP, S/PDIF, ... > You can look these up in datasheets and if a chip implements such a > protocol you can be sure that it adheres to that standard - i.e. it > will sync the frames to the pulses on LRclk. > I agree with the thoughts in this thread really if the AP doesn't actually support DSP A mode we shouldn't add DSP A mode. Thanks, Charles _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel