[PATCH v2] drm: bridge: adv7511: Enable SPDIF DAI

[Andrzej Hajda]

On 07.10.2019 12:06, Bogdan Togorean wrote:
> ADV7511 support I2S or SPDIF as audio input interfaces. This commit
> enable support for SPDIF.
>
> Signed-off-by: Bogdan Togorean <bogdan.togorean at analog.com>


Reviewed-by: Andrzej Hajda <a.hajda at samsung.com>


Let's wait few days with queuing, with hope somebody will test it.


 --
Regards
Andrzej


> ---
>
> Changes in v2:
> - add forgotten break statement
>
>  drivers/gpu/drm/bridge/adv7511/adv7511_audio.c | 14 ++++++++++++++
>  1 file changed, 14 insertions(+)
>
> diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c b/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c
> index a428185be2c1..1e9b128d229b 100644
> --- a/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c
> +++ b/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c
> @@ -119,6 +119,9 @@ int adv7511_hdmi_hw_params(struct device *dev, void *data,
>  		audio_source = ADV7511_AUDIO_SOURCE_I2S;
>  		i2s_format = ADV7511_I2S_FORMAT_LEFT_J;
>  		break;
> +	case HDMI_SPDIF:
> +		audio_source = ADV7511_AUDIO_SOURCE_SPDIF;
> +		break;
>  	default:
>  		return -EINVAL;
>  	}
> @@ -175,11 +178,21 @@ static int audio_startup(struct device *dev, void *data)
>  	/* use Audio infoframe updated info */
>  	regmap_update_bits(adv7511->regmap, ADV7511_REG_GC(1),
>  				BIT(5), 0);
> +	/* enable SPDIF receiver */
> +	if (adv7511->audio_source == ADV7511_AUDIO_SOURCE_SPDIF)
> +		regmap_update_bits(adv7511->regmap, ADV7511_REG_AUDIO_CONFIG,
> +				   BIT(7), BIT(7));
> +
>  	return 0;
>  }
>  
>  static void audio_shutdown(struct device *dev, void *data)
>  {
> +	struct adv7511 *adv7511 = dev_get_drvdata(dev);
> +
> +	if (adv7511->audio_source == ADV7511_AUDIO_SOURCE_SPDIF)
> +		regmap_update_bits(adv7511->regmap, ADV7511_REG_AUDIO_CONFIG,
> +				   BIT(7), 0);
>  }
>  
>  static int adv7511_hdmi_i2s_get_dai_id(struct snd_soc_component *component,
> @@ -213,6 +226,7 @@ static const struct hdmi_codec_pdata codec_data = {
>  	.ops = &adv7511_codec_ops,
>  	.max_i2s_channels = 2,
>  	.i2s = 1,
> +	.spdif = 1,
>  };
>  
>  int adv7511_audio_init(struct device *dev, struct adv7511 *adv7511)