[alsa-devel] [PATCH 27/42] ASoC: tpa6130a2: Replace TLV_DB_RANGE_HEAD with DECLARE_TLV_DB_RANGE

[Peter Ujfalusi]

On 08/02/2015 06:19 PM, Lars-Peter Clausen wrote:
> DECLARE_TLV_DB_RANGE() has the advantage over using TLV_DB_RANGE_HEAD()
> that it automatically calculates the number of items in the TLV and is
> hence less prone to manual error.
> 
> Generate using the following coccinelle script
> 
> // <smpl>
> @@
> declarer name DECLARE_TLV_DB_RANGE;
> identifier tlv;
> constant x;
> @@
> -unsigned int tlv[] = {
> -	TLV_DB_RANGE_HEAD(x),
> +DECLARE_TLV_DB_RANGE(tlv,
> 	...
> -};
> +);
> // </smpl>

Acked-by: Peter Ujfalusi <peter.ujfalusi at ti.com>

> 
> Signed-off-by: Lars-Peter Clausen <lars at metafoo.de>
> ---
>  sound/soc/codecs/tpa6130a2.c | 14 ++++++--------
>  1 file changed, 6 insertions(+), 8 deletions(-)
> 
> diff --git a/sound/soc/codecs/tpa6130a2.c b/sound/soc/codecs/tpa6130a2.c
> index 265c4c3..11d85c5 100644
> --- a/sound/soc/codecs/tpa6130a2.c
> +++ b/sound/soc/codecs/tpa6130a2.c
> @@ -259,8 +259,7 @@ static int tpa6130a2_put_volsw(struct snd_kcontrol *kcontrol,
>   * TPA6130 volume. From -59.5 to 4 dB with increasing step size when going
>   * down in gain.
>   */
> -static const unsigned int tpa6130_tlv[] = {
> -	TLV_DB_RANGE_HEAD(10),
> +static const DECLARE_TLV_DB_RANGE(tpa6130_tlv,
>  	0, 1, TLV_DB_SCALE_ITEM(-5950, 600, 0),
>  	2, 3, TLV_DB_SCALE_ITEM(-5000, 250, 0),
>  	4, 5, TLV_DB_SCALE_ITEM(-4550, 160, 0),
> @@ -270,8 +269,8 @@ static const unsigned int tpa6130_tlv[] = {
>  	12, 13, TLV_DB_SCALE_ITEM(-3040, 180, 0),
>  	14, 20, TLV_DB_SCALE_ITEM(-2710, 110, 0),
>  	21, 37, TLV_DB_SCALE_ITEM(-1960, 74, 0),
> -	38, 63, TLV_DB_SCALE_ITEM(-720, 45, 0),
> -};
> +	38, 63, TLV_DB_SCALE_ITEM(-720, 45, 0)
> +);
>  
>  static const struct snd_kcontrol_new tpa6130a2_controls[] = {
>  	SOC_SINGLE_EXT_TLV("TPA6130A2 Headphone Playback Volume",
> @@ -280,12 +279,11 @@ static const struct snd_kcontrol_new tpa6130a2_controls[] = {
>  		       tpa6130_tlv),
>  };
>  
> -static const unsigned int tpa6140_tlv[] = {
> -	TLV_DB_RANGE_HEAD(3),
> +static const DECLARE_TLV_DB_RANGE(tpa6140_tlv,
>  	0, 8, TLV_DB_SCALE_ITEM(-5900, 400, 0),
>  	9, 16, TLV_DB_SCALE_ITEM(-2500, 200, 0),
> -	17, 31, TLV_DB_SCALE_ITEM(-1000, 100, 0),
> -};
> +	17, 31, TLV_DB_SCALE_ITEM(-1000, 100, 0)
> +);
>  
>  static const struct snd_kcontrol_new tpa6140a2_controls[] = {
>  	SOC_SINGLE_EXT_TLV("TPA6140A2 Headphone Playback Volume",
> 


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