[alsa-devel] [PATCH v9 1/6] ASoC: Intel: mrfld: add the gain controls

[Vinod Koul]

On Wed, Oct 15, 2014 at 03:08:17PM +0200, Mark Brown wrote:
> On Wed, Oct 15, 2014 at 03:53:03PM +0530, Vinod Koul wrote:
> > On Wed, Oct 15, 2014 at 12:49:47PM +0200, Mark Brown wrote:
> > > On Wed, Oct 15, 2014 at 12:34:56PM +0530, Vinod Koul wrote:
> 
> > > > +/* the SST_GAIN macro above will create three alsa controls for each
> > > > + * instance invoked, gain, mute and ramp duration, which use the same gain
> > > > + * cell sst_gain to keep track of data
> > > > + *
> > > > + * To calculate number of gain cell instances we need to device by 3 in
> > > > + * below caulcation for gain cell memory.
> > > > + * This gets rid of static number and issues while adding new controls
> > > > + */
> > > > +static struct sst_gain_value sst_gains[ARRAY_SIZE(sst_gain_controls)/3];
> 
> > > The use of ARRAY_SIZE() is nice here but I'm a bit confused about the
> > > divide by 3 - there's an entry in sst_gains referenced for each element
> > > in sst_gain_controls.
> 
> > Thats is the reason added the comment above.
> 
> The comment isn't very clear (splitting it into multiple paragraphs
> doesn't help since it looks like the calculation stands separately to
> the controls), and everything would be a lot simpler if there were a
> define for the number of controls created per SST_GAIN() rather than
> just hard coding the magic number.
Ah my mistake wasnt intended to be multiple para. I will remove the blank
like and yes add SST_GAIN_SIZE as 3 and using that would be better.

I resend this patch with this change :)

-- 
~Vinod
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