[alsa-devel] Zoom R16

[Takashi Iwai]

At Mon, 10 Mar 2014 16:44:19 -0400,
Jason Mancine wrote:
> 
> Yes, I have tried those .formats with no luck...it still initializes at 32

How did you check it?


Takashi

> On Mar 10, 2014 4:29 PM, "Alan Horstmann" <gineera at aspect135.co.uk> wrote:
> 
> > On Monday 10 March 2014 14:36, Jason Mancine wrote:
> > > I am still working on trying to get the R16 to work for playback.
> >
> > > So, the main question is how do I force ALSA to initialize this device at
> > > 24 bit integer?
> >
> > Isn't the answer in Takashi's original reply...?
> >
> > > >  On Dec 6, 2013 11:25 AM, "Takashi Iwai" <tiwai at suse.de> wrote:
> > > >> Do you mean the 24bit physical size, i.e. each frame is packed in 3
> > > >> bytes?  If so, you used a wrong format.  SNDRV_PCM_FMTBIT_S24_LE is
> > > >> for 24bit format packed in 32bit frame.  If you need a 3-bytes frame,
> > > >> use SNDRV_PCM_FMTBIT_S24_3LE instead.
> >
> > Many USB devices have this...
> >
> > >                                 .type = QUIRK_AUDIO_FIXED_ENDPOINT,
> > >                                 .data = & (const struct audioformat) {
> > >                                 .formats = SNDRV_PCM_FMTBIT_S24_LE,
> >
> >                                  .formats = SNDRV_PCM_FMTBIT_S24_3LE,
> >
> > instead.  That would apply for capture also.  Or is that what you have been
> > trying?
> >
> > Regards
> >
> > Alan
> >
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