Re: [linux-sunxi] [PATCH v8 1/2] ASoc: sun4i-codec: Add FM, Line and Mic inputs

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Hi,

On Mon, Dec 21, 2015 at 12:33:03PM +0100, Danny Milosavljevic wrote:
> This is the first part:
> 
>    sun4i-codec: make it possible to use different codec_widgets for A10 and A20.

Please make a meaningful commit log and title explaining what and why
you're doing it.

> 
> Signed-off-by: Danny Milosavljevic <dannym+a@xxxxxxxxxxxxxxx>
> ---
>   b/sound/soc/sunxi/sun4i-codec.c |   45 ++++++++++++++++++++++++++++++----------
>   1 file changed, 34 insertions(+), 11 deletions(-)
> 
> diff --git a/sound/soc/sunxi/sun4i-codec.c b/sound/soc/sunxi/sun4i-codec.c
> index e6cc6a1..6628e6e 100644
> --- a/sound/soc/sunxi/sun4i-codec.c
> +++ b/sound/soc/sunxi/sun4i-codec.c
> @@ -96,8 +96,9 @@
>  /* Other various ADC registers */
>  #define SUN4I_CODEC_DAC_TXCNT			(0x30)
>  #define SUN4I_CODEC_ADC_RXCNT			(0x34)
> -#define SUN4I_CODEC_AC_SYS_VERI			(0x38)
> -#define SUN4I_CODEC_AC_MIC_PHONE_CAL		(0x3c)
> +
> +#define SUN7I_CODEC_AC_DAC_CAL			(0x38)
> +#define SUN7I_CODEC_AC_MIC_PHONE_CAL		(0x3c)
>
>  struct sun4i_codec {
>  	struct device	*dev;
> @@ -509,10 +510,13 @@ static const struct snd_kcontrol_new sun4i_codec_pa_mute =
>  
>  static DECLARE_TLV_DB_SCALE(sun4i_codec_pa_volume_scale, -6300, 100, 1);
>  
> -static const struct snd_kcontrol_new sun4i_codec_widgets[] = {
> -	SOC_SINGLE_TLV("Power Amplifier Volume", SUN4I_CODEC_DAC_ACTL,
> -		       SUN4I_CODEC_DAC_ACTL_PA_VOL, 0x3F, 0,
> -		       sun4i_codec_pa_volume_scale),
> +#define SUN4I_COMMON_CODEC_WIDGETS \
> +	SOC_SINGLE_TLV("Power Amplifier Volume", SUN4I_CODEC_DAC_ACTL,\
> +		       SUN4I_CODEC_DAC_ACTL_PA_VOL, 0x3F, 0,\
> +		       sun4i_codec_pa_volume_scale)
> +
> +static const struct snd_kcontrol_new sun4i_codec_widgets_a10[] = {
> +	SUN4I_COMMON_CODEC_WIDGETS,
>  };
>  
>  static const struct snd_kcontrol_new sun4i_codec_left_mixer_controls[] = {
> @@ -627,9 +631,9 @@ static const struct snd_soc_dapm_route sun4i_codec_codec_dapm_routes[] = {
>  	{ "Mic1", NULL, "VMIC" },
>  };
>  
> -static struct snd_soc_codec_driver sun4i_codec_codec = {
> -	.controls		= sun4i_codec_widgets,
> -	.num_controls		= ARRAY_SIZE(sun4i_codec_widgets),
> +static struct snd_soc_codec_driver sun4i_codec_codec_a10 = {
> +	.controls		= sun4i_codec_widgets_a10,
> +	.num_controls		= ARRAY_SIZE(sun4i_codec_widgets_a10),

There's no need to change the structure name.

>  	.dapm_widgets		= sun4i_codec_codec_dapm_widgets,
>  	.num_dapm_widgets	= ARRAY_SIZE(sun4i_codec_codec_dapm_widgets),
>  	.dapm_routes		= sun4i_codec_codec_dapm_routes,
> @@ -680,7 +684,7 @@ static const struct regmap_config sun4i_codec_regmap_config = {
>  	.reg_bits	= 32,
>  	.reg_stride	= 4,
>  	.val_bits	= 32,
> -	.max_register	= SUN4I_CODEC_AC_MIC_PHONE_CAL,
> +	.max_register	= SUN7I_CODEC_AC_MIC_PHONE_CAL,
>  };
>  
>  static const struct of_device_id sun4i_codec_of_match[] = {
> @@ -753,10 +757,24 @@ static struct snd_soc_card *sun4i_codec_create_card(struct device *dev)
>  	return card;
>  };
>  
> +static const struct snd_kcontrol_new sun7i_codec_widgets[] = {
> +	SUN4I_COMMON_CODEC_WIDGETS,
> +};
> +
> +static struct snd_soc_codec_driver sun7i_codec_codec = {
> +	.controls		= sun7i_codec_widgets,
> +	.num_controls		= ARRAY_SIZE(sun7i_codec_widgets),
> +	.dapm_widgets		= sun4i_codec_codec_dapm_widgets,
> +	.num_dapm_widgets	= ARRAY_SIZE(sun4i_codec_codec_dapm_widgets),
> +	.dapm_routes		= sun4i_codec_codec_dapm_routes,
> +	.num_dapm_routes	= ARRAY_SIZE(sun4i_codec_codec_dapm_routes),
> +};

>  static int sun4i_codec_probe(struct platform_device *pdev)
>  {
>  	struct snd_soc_card *card;
>  	struct sun4i_codec *scodec;
> +	struct snd_soc_codec_driver *codec;
>  	struct resource *res;
>  	void __iomem *base;
>  	int ret;
> @@ -819,7 +837,12 @@ static int sun4i_codec_probe(struct platform_device *pdev)
>  	scodec->capture_dma_data.maxburst = 4;
>  	scodec->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
>  
> -	ret = snd_soc_register_codec(&pdev->dev, &sun4i_codec_codec,
> +	if (of_device_is_compatible(pdev->dev.of_node,
> +				    "allwinner,sun7i-a20-codec"))
> +		codec = &sun7i_codec_codec;
> +	else
> +		codec = &sun4i_codec_codec_a10;

A new line here would be nice.

> +	ret = snd_soc_register_codec(&pdev->dev, codec,
>  				     &sun4i_codec_dai, 1);
>  	if (ret) {
>  		dev_err(&pdev->dev, "Failed to register our codec\n");

Thanks!
Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com

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