[alsa-devel] [PATCH 2/3] ASoC: max98357a: Specify digital input as a dapm widget

[Lars-Peter Clausen]

On 07/12/2015 08:56 AM, Anatol Pomozov wrote:
> Spec does not say anything about DAC called SDMode.
> Create a dapm path that consists of path from I2S input to Speaker output.
>
> Signed-off-by: Anatol Pomozov <anatol.pomozov at gmail.com>
> ---
>   sound/soc/codecs/max98357a.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/sound/soc/codecs/max98357a.c b/sound/soc/codecs/max98357a.c
> index 6d4246a..0d87d35 100644
> --- a/sound/soc/codecs/max98357a.c
> +++ b/sound/soc/codecs/max98357a.c
> @@ -51,12 +51,12 @@ static int max98357a_daiops_trigger(struct snd_pcm_substream *substream,
>   }
>
>   static const struct snd_soc_dapm_widget max98357a_dapm_widgets[] = {
> -	SND_SOC_DAPM_DAC("SDMode", NULL, SND_SOC_NOPM, 0, 0),
> +	SND_SOC_DAPM_AIF_IN("AIFRX", "HiFi Playback", 0, SND_SOC_NOPM, 0, 0),
>   	SND_SOC_DAPM_OUTPUT("Speaker"),
>   };
>
>   static const struct snd_soc_dapm_route max98357a_dapm_routes[] = {
> -	{"Speaker", NULL, "SDMode"},
> +	{"Speaker", NULL, "AIFRX"},

ASoC automatically creates a widget for the playback stream. You can connect 
that directly here without the need for the AIF_IN widget. E.g.:

	{ "Speaker", NULL, "HiFi Playback" },

>   };
>
>   static int max98357a_codec_probe(struct snd_soc_codec *codec)
>