[alsa-devel] [PATCHv2 1/4] ASoC: simple-card: add asoc_simple_card_fmt_master() to simplify the code.

[Jean-Francois Moine]

On Tue, 02 Sep 2014 16:12:40 +0530
Varka Bhadram <varkabhadram at gmail.com> wrote:

> >>> +	switch (((np == bitclkmaster) << 4) | (np == framemaster)) {
> >>> +	case 0x11:
> >>> +		return SND_SOC_DAIFMT_CBS_CFS;
> >>> +	case 0x10:
> >>> +		return SND_SOC_DAIFMT_CBS_CFM;
> >>> +	case 0x01:
> >>> +		return SND_SOC_DAIFMT_CBM_CFS;
> >>> +	default:
> >>> +		return SND_SOC_DAIFMT_CBM_CFM;
> >>> +	}
> >>> +
> >>> +	/* Shouldn't be here */
> >>> +	return -EINVAL;
> >>> +}  
> >> It will be nice if we declare the switch case numbers as macros (specific name)...  
> > I don't see which macros: the values are just 2 booleans.
> >  
> I am talking about 0x11, 0x10, 0x01 values.. We can give any understandable
> names to those...?

#define TRUE_TRUE 0x11
#define TRUE_FALSE 0x10
#define FALSE_TRUE 0x01

or

	case ((TRUE << 4) | TRUE:
		...
	case ((TRUE << 4) | FALSE:
		...
	case ((FALSE << 4) | TRUE:
		...

??

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