Re: [PATCH V3] ASoC: pcm179x: Add support for pcm1795 and pcm1796

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Hi Jacob

On Fri, Feb 5, 2016 at 6:24 PM, Michael Trimarchi
<michael@xxxxxxxxxxxxxxxxxxxx> wrote:
>
> Signed-off-by: Michael Trimarchi <michael@xxxxxxxxxxxxxxxxxxxx>
> ---
> Not get time to retest
>

Can you confirm that it works for you?

Michael

> Changes v3 -> v2:
>         - rebase after i2c support
>
> Changes v1 -> v2:
>         - Use switch for support new variants
>         - sort the compatible list
>
>  sound/soc/codecs/pcm179x-i2c.c |  6 ----
>  sound/soc/codecs/pcm179x-spi.c |  6 ----
>  sound/soc/codecs/pcm179x.c     | 62 ++++++++++++++++++++++++++++++++++++++++--
>  sound/soc/codecs/pcm179x.h     |  9 ++++--
>  4 files changed, 66 insertions(+), 17 deletions(-)
>
> diff --git a/sound/soc/codecs/pcm179x-i2c.c b/sound/soc/codecs/pcm179x-i2c.c
> index 4118106..609f07f 100644
> --- a/sound/soc/codecs/pcm179x-i2c.c
> +++ b/sound/soc/codecs/pcm179x-i2c.c
> @@ -44,12 +44,6 @@ static int pcm179x_i2c_remove(struct i2c_client *client)
>         return pcm179x_common_exit(&client->dev);
>  }
>
> -static const struct of_device_id pcm179x_of_match[] = {
> -       { .compatible = "ti,pcm1792a", },
> -       { }
> -};
> -MODULE_DEVICE_TABLE(of, pcm179x_of_match);
> -
>  static const struct i2c_device_id pcm179x_i2c_ids[] = {
>         { "pcm179x", 0 },
>         { }
> diff --git a/sound/soc/codecs/pcm179x-spi.c b/sound/soc/codecs/pcm179x-spi.c
> index da924d4..6ae0e4d 100644
> --- a/sound/soc/codecs/pcm179x-spi.c
> +++ b/sound/soc/codecs/pcm179x-spi.c
> @@ -43,12 +43,6 @@ static int pcm179x_spi_remove(struct spi_device *spi)
>         return pcm179x_common_exit(&spi->dev);
>  }
>
> -static const struct of_device_id pcm179x_of_match[] = {
> -       { .compatible = "ti,pcm1792a", },
> -       { }
> -};
> -MODULE_DEVICE_TABLE(of, pcm179x_of_match);
> -
>  static const struct spi_device_id pcm179x_spi_ids[] = {
>         { "pcm179x", 0 },
>         { },
> diff --git a/sound/soc/codecs/pcm179x.c b/sound/soc/codecs/pcm179x.c
> index 06a6657..73c80d3 100644
> --- a/sound/soc/codecs/pcm179x.c
> +++ b/sound/soc/codecs/pcm179x.c
> @@ -20,6 +20,8 @@
>  #include <linux/slab.h>
>  #include <linux/kernel.h>
>  #include <linux/device.h>
> +#include <linux/of.h>
> +#include <linux/of_device.h>
>
>  #include <sound/core.h>
>  #include <sound/pcm.h>
> @@ -72,8 +74,31 @@ struct pcm179x_private {
>         struct regmap *regmap;
>         unsigned int format;
>         unsigned int rate;
> +#define PCM1795        1
> +       unsigned int codec_model;
>  };
>
> +static int pcm179x_startup(struct snd_pcm_substream *substream,
> +                           struct snd_soc_dai *dai)
> +{
> +       struct snd_soc_codec *codec = dai->codec;
> +       struct pcm179x_private *priv = snd_soc_codec_get_drvdata(codec);
> +       u64 formats = PCM1792A_FORMATS;
> +
> +       switch (priv->codec_model) {
> +       case PCM1795:
> +               formats = PCM1795_FORMATS;
> +               break;
> +       default:
> +               break;
> +       }
> +
> +       snd_pcm_hw_constraint_mask64(substream->runtime,
> +                                    SNDRV_PCM_HW_PARAM_FORMAT, formats);
> +
> +       return 0;
> +}
> +
>  static int pcm179x_set_dai_fmt(struct snd_soc_dai *codec_dai,
>                               unsigned int format)
>  {
> @@ -112,8 +137,10 @@ static int pcm179x_hw_params(struct snd_pcm_substream *substream,
>         switch (priv->format & SND_SOC_DAIFMT_FORMAT_MASK) {
>         case SND_SOC_DAIFMT_RIGHT_J:
>                 switch (params_width(params)) {
> -               case 24:
>                 case 32:
> +                       val = 1;
> +                       break;
> +               case 24:
>                         val = 2;
>                         break;
>                 case 16:
> @@ -125,8 +152,10 @@ static int pcm179x_hw_params(struct snd_pcm_substream *substream,
>                 break;
>         case SND_SOC_DAIFMT_I2S:
>                 switch (params_width(params)) {
> -               case 24:
>                 case 32:
> +                       val = 4;
> +                       break;
> +               case 24:
>                         val = 5;
>                         break;
>                 case 16:
> @@ -152,6 +181,7 @@ static int pcm179x_hw_params(struct snd_pcm_substream *substream,
>  }
>
>  static const struct snd_soc_dai_ops pcm179x_dai_ops = {
> +       .startup        = pcm179x_startup,
>         .set_fmt        = pcm179x_set_dai_fmt,
>         .hw_params      = pcm179x_hw_params,
>         .digital_mute   = pcm179x_digital_mute,
> @@ -190,7 +220,7 @@ static struct snd_soc_dai_driver pcm179x_dai = {
>                 .rates = SNDRV_PCM_RATE_CONTINUOUS,
>                 .rate_min = 10000,
>                 .rate_max = 200000,
> -               .formats = PCM1792A_FORMATS, },
> +               .formats = PCM179X_FORMATS, },
>         .ops = &pcm179x_dai_ops,
>  };
>
> @@ -214,15 +244,41 @@ static struct snd_soc_codec_driver soc_codec_dev_pcm179x = {
>         .num_dapm_routes        = ARRAY_SIZE(pcm179x_dapm_routes),
>  };
>
> +static const unsigned int codec_model = PCM1795;
> +
> +const struct of_device_id pcm179x_of_match[] = {
> +       { .compatible = "ti,pcm1792a", },
> +       { .compatible = "ti,pcm1795",
> +         .data = &codec_model,
> +       },
> +       { .compatible = "ti,pcm1796", },
> +       { }
> +};
> +MODULE_DEVICE_TABLE(of, pcm179x_of_match);
> +EXPORT_SYMBOL_GPL(pcm179x_of_match);
> +
>  int pcm179x_common_init(struct device *dev, struct regmap *regmap)
>  {
>         struct pcm179x_private *pcm179x;
> +       struct device_node *np = dev->of_node;
> +       const unsigned int *codec_model = NULL;
>
>         pcm179x = devm_kzalloc(dev, sizeof(struct pcm179x_private),
>                                 GFP_KERNEL);
>         if (!pcm179x)
>                 return -ENOMEM;
>
> +       if (np) {
> +               const struct of_device_id *of_id;
> +
> +               of_id = of_match_device(pcm179x_of_match, dev);
> +               if (of_id)
> +                       codec_model = of_id->data;
> +       }
> +
> +       if (codec_model)
> +               pcm179x->codec_model =  *codec_model;
> +
>         pcm179x->regmap = regmap;
>         dev_set_drvdata(dev, pcm179x);
>
> diff --git a/sound/soc/codecs/pcm179x.h b/sound/soc/codecs/pcm179x.h
> index 11e3312..4c00047 100644
> --- a/sound/soc/codecs/pcm179x.h
> +++ b/sound/soc/codecs/pcm179x.h
> @@ -17,10 +17,15 @@
>  #ifndef __PCM179X_H__
>  #define __PCM179X_H__
>
> -#define PCM1792A_FORMATS (SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S24_LE | \
> -                         SNDRV_PCM_FMTBIT_S16_LE)
> +#define PCM179X_FORMATS (SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S24_LE | \
> +                        SNDRV_PCM_FMTBIT_S16_LE)
> +
> +#define PCM1792A_FORMATS (SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S16_LE)
> +
> +#define PCM1795_FORMATS (SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S24_LE)
>
>  extern const struct regmap_config pcm179x_regmap_config;
> +extern const struct of_device_id pcm179x_of_match[];
>
>  int pcm179x_common_init(struct device *dev, struct regmap *regmap);
>  int pcm179x_common_exit(struct device *dev);
> --
> 2.7.0
>
> --
> | Michael Nazzareno Trimarchi                     Amarula Solutions BV |
> | COO  -  Founder                                      Cruquiuskade 47 |
> | +31(0)851119172                                 Amsterdam 1018 AM NL |
> |                  [`as] http://www.amarulasolutions.com               |



-- 
| Michael Nazzareno Trimarchi                     Amarula Solutions BV |
| COO  -  Founder                                      Cruquiuskade 47 |
| +31(0)851119172                                 Amsterdam 1018 AM NL |
|                  [`as] http://www.amarulasolutions.com               |
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