On Thu, 2009-10-08 at 15:17 +0200, ext Mark Brown wrote:
> On Thu, Oct 08, 2009 at 02:58:52PM +0300, Eduardo Valentin wrote:
>
> > +static const struct attribute *sidetone_attrs[] = {
> > + &dev_attr_st_enable.attr,
> > + &dev_attr_st_taps.attr,
> > + &dev_attr_st_ch0gain.attr,
> > + &dev_attr_st_ch1gain.attr,
> > + NULL,
> > +};
>
> This stuff, particularly the enable, probably wants to be pushed out via
> an ALSA API rather than via random sysfs stuff. It'd be better to
> publish a control API here and then use that from within ALSA.
Hmm. What would be the way to transfer 128 x s16 words; is there an ALSA
control for something like that already ? IIRC correctly, the max
bytesize per control is (or used to be) something like 256 bytes or so.
So that gets right at it. (that's the sidetone 128 tap FIR in question)
- Eero
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