[alsa-devel] [PATCH 06/10] ASoC: wm8940: Convert to snd_soc_cache_sync

[Mark Brown]

On Thu, Oct 06, 2011 at 12:28:41PM +0100, Jonathan Cameron wrote:
> On 10/06/11 07:17, Axel Lin wrote:

> > +static int wm8940_volatile_register(struct snd_soc_codec *codec,
> > +				    unsigned int reg)
> > +{
> > +	switch (reg) {
> > +	case WM8940_SOFTRESET:
> > +		return 1;
> > +	default:
> > +		return 0;
> > +	}
> > +}

> I guess this makes sense from point of view of keeping things inline with
> more complex drivers.  Otherwise I'd expect to see something like:
> {
> 	return !!(reg == WM894_SOFTRESET);
> }

On the other hand we actually want people to be able to read the code
(though the !! there which is the major complication isn't actually
doing anything...).