[alsa-devel] [PATCH 2/2] ASoC: pcm1681: Improve the logic for de-emphasis sampling rate selection

[Marek Belisko]

Hi Axel,

On 23.07.2015 17:23, Axel Lin wrote:
> Slightly improve the logic for de-emphasis sampling rate selection by break
> out the loop if the rate is matched.
>
> Signed-off-by: Axel Lin <axel.lin at ingics.com>
> ---
>   sound/soc/codecs/pcm1681.c | 13 +++++++++----
>   1 file changed, 9 insertions(+), 4 deletions(-)
>
> diff --git a/sound/soc/codecs/pcm1681.c b/sound/soc/codecs/pcm1681.c
> index 1011142..5832523 100644
> --- a/sound/soc/codecs/pcm1681.c
> +++ b/sound/soc/codecs/pcm1681.c
> @@ -95,17 +95,22 @@ static int pcm1681_set_deemph(struct snd_soc_codec *codec)
>   	struct pcm1681_private *priv = snd_soc_codec_get_drvdata(codec);
>   	int i = 0, val = -1, enable = 0;
>
> -	if (priv->deemph)
> -		for (i = 0; i < ARRAY_SIZE(pcm1681_deemph); i++)
> -			if (pcm1681_deemph[i] == priv->rate)
> +	if (priv->deemph) {
> +		for (i = 0; i < ARRAY_SIZE(pcm1681_deemph); i++) {
> +			if (pcm1681_deemph[i] == priv->rate) {
>   				val = i;
> +				break;
> +			}
> +		}
> +	}
^^^^^^^
I think we don't need those brackets only for if statement (where you 
add break)
>
>   	if (val != -1) {
>   		regmap_update_bits(priv->regmap, PCM1681_DEEMPH_CONTROL,
>   				   PCM1681_DEEMPH_RATE_MASK, val << 3);
>   		enable = 1;
> -	} else
> +	} else {
>   		enable = 0;
> +	}
^^^ same here
>
>   	/* enable/disable deemphasis functionality */
>   	return regmap_update_bits(priv->regmap, PCM1681_DEEMPH_CONTROL,
>

BR,

marek