[alsa-devel] [PATCH 3/4] ALSA: usb-audio: parse UAC2 sample rate ranges correctly

[Clemens Ladisch]

Daniel Mack wrote:
> On Fri, Jun 11, 2010 at 10:59:44PM +0800, Alex Lee wrote:
> > If the device has a variable clock, it may report a RES of only 1.  So you
> > may end up with thousands (and even millions) of sample rates.  It might be
> > better to have separate code to cater to discrete clocks vs variable clocks.
> 
> AFAIK, ALSA can[...] cope with that [...]. Am I right?

Yes; set fp->rates to SNDRV_PCM_RATE_CONTINUOUS to allow all rates between
fp->rate_min and fp->rate_max.  See, for example, parse_audio_format_rates_v1.


Regards,
Clemens