[alsa-devel] Zoom R16

[Takashi Iwai]

At Tue, 11 Mar 2014 03:59:06 -0400,
Jason Mancine wrote:
> 
> recompiled the kernel for each format

My question is how did you check that the 32bit format is used.
And, don't do top-posting.


Takashi

> On Mar 11, 2014 3:09 AM, "Takashi Iwai" <tiwai at suse.de> wrote:
> 
> > 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
> > > >
> > > _______________________________________________
> > > Alsa-devel mailing list
> > > Alsa-devel at alsa-project.org
> > > http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
> > >
> >
> [2  <text/html; ISO-8859-1 (quoted-printable)>]
>