Re: [PATCH v6 08/15] ASoC: qdsp6: q6afe-dai: add internal mi2s support

[Srinivas Kandagatla <srini@kernel.org>]

On 7/30/26 6:43 PM, Richard Acayan wrote:
> The bindings for LPI MI2S ports, originally exclusive to q6apm, can be
> used for internal MI2S ports on q6afe. Add the internal MI2S ports found
> on the SDM660 internal sound card using the LPI MI2S bindings.
> 
> Signed-off-by: Richard Acayan <mailingradian@gmail.com>
> ---

Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@oss.qualcomm.com>

--srini

>  sound/soc/qcom/qdsp6/q6afe-dai.c | 48 ++++++++++++++++++++++++++++++++
>  1 file changed, 48 insertions(+)
> 
> diff --git a/sound/soc/qcom/qdsp6/q6afe-dai.c b/sound/soc/qcom/qdsp6/q6afe-dai.c
> index a0d21034a626..920345609d2c 100644
> --- a/sound/soc/qcom/qdsp6/q6afe-dai.c
> +++ b/sound/soc/qcom/qdsp6/q6afe-dai.c
> @@ -412,6 +412,8 @@ static int q6afe_dai_prepare(struct snd_pcm_substream *substream,
>  	case SENARY_MI2S_RX ... SENARY_MI2S_TX:
>  	case QUINARY_MI2S_RX ... QUINARY_MI2S_TX:
>  	case PRIMARY_MI2S_RX ... QUATERNARY_MI2S_TX:
> +	case LPI_MI2S_RX_0 ... LPI_MI2S_TX_4:
> +	case LPI_MI2S_RX_5 ... LPI_MI2S_TX_6:
>  		rc = q6afe_i2s_port_prepare(dai_data->port[dai->id],
>  			       &dai_data->port_config[dai->id].i2s_cfg);
>  		if (rc < 0) {
> @@ -665,6 +667,21 @@ static const struct snd_soc_dapm_route q6afe_dapm_routes[] = {
>  
>  	/* USB playback AFE port receives data for playback, hence use the RX port */
>  	{"USB Playback", NULL, "USB_RX"},
> +
> +	{"LPI RX0 MI2S Playback", NULL, "LPI_MI2S_RX_0"},
> +	{"LPI_MI2S_TX_0", NULL, "LPI TX0 MI2S Capture"},
> +	{"LPI RX1 MI2S Playback", NULL, "LPI_MI2S_RX_1"},
> +	{"LPI_MI2S_TX_1", NULL, "LPI TX1 MI2S Capture"},
> +	{"LPI RX2 MI2S Playback", NULL, "LPI_MI2S_RX_2"},
> +	{"LPI_MI2S_TX_2", NULL, "LPI TX2 MI2S Capture"},
> +	{"LPI RX3 MI2S Playback", NULL, "LPI_MI2S_RX_3"},
> +	{"LPI_MI2S_TX_3", NULL, "LPI TX3 MI2S Capture"},
> +	{"LPI RX4 MI2S Playback", NULL, "LPI_MI2S_RX_4"},
> +	{"LPI_MI2S_TX_4", NULL, "LPI TX4 MI2S Capture"},
> +	{"LPI RX5 MI2S Playback", NULL, "LPI_MI2S_RX_5"},
> +	{"LPI_MI2S_TX_5", NULL, "LPI TX5 MI2S Capture"},
> +	{"LPI RX6 MI2S Playback", NULL, "LPI_MI2S_RX_6"},
> +	{"LPI_MI2S_TX_6", NULL, "LPI TX6 MI2S Capture"},
>  };
>  
>  static int msm_dai_q6_dai_probe(struct snd_soc_dai *dai)
> @@ -1011,6 +1028,35 @@ static const struct snd_soc_dapm_widget q6afe_dai_widgets[] = {
>  		0, SND_SOC_NOPM, 0, 0),
>  
>  	SND_SOC_DAPM_AIF_IN("USB_RX", NULL, 0, SND_SOC_NOPM, 0, 0),
> +
> +	SND_SOC_DAPM_AIF_IN("LPI_MI2S_RX_0", NULL,
> +		0, SND_SOC_NOPM, 0, 0),
> +	SND_SOC_DAPM_AIF_OUT("LPI_MI2S_TX_0", NULL,
> +		0, SND_SOC_NOPM, 0, 0),
> +	SND_SOC_DAPM_AIF_IN("LPI_MI2S_RX_1", NULL,
> +		0, SND_SOC_NOPM, 0, 0),
> +	SND_SOC_DAPM_AIF_OUT("LPI_MI2S_TX_1", NULL,
> +		0, SND_SOC_NOPM, 0, 0),
> +	SND_SOC_DAPM_AIF_IN("LPI_MI2S_RX_2", NULL,
> +		0, SND_SOC_NOPM, 0, 0),
> +	SND_SOC_DAPM_AIF_OUT("LPI_MI2S_TX_2", NULL,
> +		0, SND_SOC_NOPM, 0, 0),
> +	SND_SOC_DAPM_AIF_IN("LPI_MI2S_RX_3", NULL,
> +		0, SND_SOC_NOPM, 0, 0),
> +	SND_SOC_DAPM_AIF_OUT("LPI_MI2S_TX_3", NULL,
> +		0, SND_SOC_NOPM, 0, 0),
> +	SND_SOC_DAPM_AIF_IN("LPI_MI2S_RX_4", NULL,
> +		0, SND_SOC_NOPM, 0, 0),
> +	SND_SOC_DAPM_AIF_OUT("LPI_MI2S_TX_4", NULL,
> +		0, SND_SOC_NOPM, 0, 0),
> +	SND_SOC_DAPM_AIF_IN("LPI_MI2S_RX_5", NULL,
> +		0, SND_SOC_NOPM, 0, 0),
> +	SND_SOC_DAPM_AIF_OUT("LPI_MI2S_TX_5", NULL,
> +		0, SND_SOC_NOPM, 0, 0),
> +	SND_SOC_DAPM_AIF_IN("LPI_MI2S_RX_6", NULL,
> +		0, SND_SOC_NOPM, 0, 0),
> +	SND_SOC_DAPM_AIF_OUT("LPI_MI2S_TX_6", NULL,
> +		0, SND_SOC_NOPM, 0, 0),
>  };
>  
>  static const struct snd_soc_component_driver q6afe_dai_component = {
> @@ -1045,6 +1091,8 @@ static void of_q6afe_parse_dai_data(struct device *dev,
>  		case SENARY_MI2S_RX ... SENARY_MI2S_TX:
>  		case QUINARY_MI2S_RX ... QUINARY_MI2S_TX:
>  		case PRIMARY_MI2S_RX ... QUATERNARY_MI2S_TX:
> +		case LPI_MI2S_RX_0 ... LPI_MI2S_TX_4:
> +		case LPI_MI2S_RX_5 ... LPI_MI2S_TX_6:
>  			priv = &data->priv[id];
>  			ret = of_property_read_variable_u32_array(node,
>  							"qcom,sd-lines",