At Thu, 6 Feb 2014 13:07:35 +0000,
Mark Brown wrote:
>
> On Thu, Feb 06, 2014 at 01:51:33PM +0100, Takashi Iwai wrote:
> > Mark Brown wrote:
>
> > > +static const char *pcm512x_dsp_program_texts[] = {
>
> > The numbers of items in pcm512x_dsp_program_texts[] and _values[]
> > don't match.
>
> Yeah, fixed.
I'm thinking whether we can check this in the macro.
I thought of using BUILD_BUG_ON(), but it's unsure whether it aligns
there well.
> > > +static const struct soc_enum pcm512x_clk_missing =
> > > + SOC_ENUM_SINGLE(PCM512x_CLKDET, 0, 7, pcm512x_clk_missing_text);
>
> > Isn't it 8?
>
> Hrm, it is but this points out an error in the control helpers which has
> been there since forever - they call that parameter max but it's not a
> maximum, it's the number of elements in the enumeration. I bet we have
> a bunch of other enumerations which miss the last element as a result.
Yeah, the argument name is really confusing. I had to double-check
the code when I reviewed your patch, too :)
Also it'd be better to have a practice to use either ARRAY_SIZE() or a
constant there, too.
Takashi
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