[alsa-devel] [PATCH v2 2/2] ASoC: wm8960: Let wm8960 driver configure its bit clock and frame clock

Mark Brown broonie at kernel.org
Wed Jan 14 20:27:03 CET 2015


On Wed, Jan 07, 2015 at 03:31:45PM +0800, Zidan Wang wrote:

> +	for (i = 0; i < ARRAY_SIZE(dac_divs); ++i) {
> +		if (wm8960->sysclk == lrclk * dac_divs[i]) {
> +			for (j = 0; j < ARRAY_SIZE(bclk_divs); ++j) {
> +				if (wm8960->sysclk ==  wm8960->bclk *
> +						bclk_divs[j] / 10) {
> +					goto config_clock;
> +				}
> +			}
> +		}
> +	}
> +
> +	dev_err(codec->dev, "Unsupported sysclk %d\n", wm8960->sysclk);
> +	return;

It's a bit awkward using the goto like this.  A more common way of
writing this is to change the above block to be

	if (i == ARRAY_SIZE(dac_divs))
		/* return error */

rather than skipping over the error.  Otherwise this looks good.
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