Re: [PATCH v2 5/6] ASoC: qcom: sc8280xp: Add RubikPi 3 sound card support

[Mohammad Rafi Shaik]

On 7/15/2026 7:32 PM, Hongyang Zhao wrote:
> RubikPi 3 connects an ES8316 codec to the primary MI2S interface for
> headset playback and capture, and an LT9611 bridge to the quaternary
> MI2S interface for HDMI audio.
>
> Add board-specific DAI data for these links. Configure both directions
> of the primary interface for I2S with normal clock polarity and the
> codec as bit and frame clock consumer. Program the LPASS MCLK and BCLK,
> drive the ES8316 with its required 19.2 MHz MCLK, and enable the generic
> codec jack-detection setup on the playback link.
>
> Configure the quaternary playback link with the same I2S clock format.
> Do not request a codec sysclk for this link because the LT9611 HDMI
> codec DAI does not implement set_sysclk().
>
> Select this configuration through the RubikPi 3 sound-card compatible.
>
> Signed-off-by: Hongyang Zhao <hongyang.zhao@xxxxxxxxxxxxxxx>
> ---
>   sound/soc/qcom/sc8280xp.c | 39 +++++++++++++++++++++++++++++++++++++++
>   1 file changed, 39 insertions(+)
>
> diff --git a/sound/soc/qcom/sc8280xp.c b/sound/soc/qcom/sc8280xp.c
> index 885ec1e3e575..1354eecb56c9 100644
> --- a/sound/soc/qcom/sc8280xp.c
> +++ b/sound/soc/qcom/sc8280xp.c
> @@ -410,6 +410,41 @@ static const struct snd_soc_common qcs6490_priv_data = {
>   	}),
>   };
>   
> +static const struct snd_soc_common qcs6490_rubikpi3_priv_data = {
> +	.driver_name = "qcs6490",
> +	.dapm_widgets = sc8280xp_dapm_widgets,
> +	.num_dapm_widgets = ARRAY_SIZE(sc8280xp_dapm_widgets),
> +	SC8280XP_DAI_DATA(

Where is SC8280XP_DAI_DATA() defined?

> +		{
> +			.id = PRIMARY_MI2S_RX,
> +			.codec_dai_fmt = SND_SOC_DAIFMT_I2S |
> +					 SND_SOC_DAIFMT_NB_NF |
> +					 SND_SOC_DAIFMT_BC_FC,

codec_dai_fmt appears to be identical for all MI2S DAIs. Can this be 
moved into the common initialization path instead of being specified per 
DAI.

> +			.mclk_rate = 19200000,

Is this mclk frequency fixed ?

Typically, audio MCLK is expected to be 12.288 MHz or 24.576 MHz.

> +			.codec_sysclk_set = true,
> +			.mi2s_mclk_enable = true,

Drop this mclk_enable flag; your already enabled from the codec node.

is not ?

+&i2c0 {
+	status = "okay";
+
+	es8316: audio-codec@11 {
+		compatible = "everest,es8316";
+		reg = <0x11>;
+		#sound-dai-cells = <0>;
+
+		clocks = <&q6prmcc LPASS_CLK_ID_MCLK_1 LPASS_CLK_ATTRIBUTE_COUPLE_NO>;
+		clock-names = "mclk";
+

> +			.mi2s_bclk_enable = true,
> +			.jack_setup = SC8280XP_JACK_SETUP_CODEC,

.jack_setup is not part of snd_soc_common

Best regards,
Rafi

> +		},
> +		{
> +			.id = PRIMARY_MI2S_TX,
> +			.codec_dai_fmt = SND_SOC_DAIFMT_I2S |
> +					 SND_SOC_DAIFMT_NB_NF |
> +					 SND_SOC_DAIFMT_BC_FC,
> +			.mclk_rate = 19200000,
> +			.codec_sysclk_set = true,
> +			.mi2s_mclk_enable = true,
> +			.mi2s_bclk_enable = true,
> +		},
> +		{
> +			.id = QUATERNARY_MI2S_RX,
> +			.codec_dai_fmt = SND_SOC_DAIFMT_I2S |
> +					 SND_SOC_DAIFMT_NB_NF |
> +					 SND_SOC_DAIFMT_BC_FC,
> +		}
> +	),
> +};
> +
>   static const struct snd_soc_common qcs8275_priv_data = {
>   	.driver_name = "qcs8300",
>   	.dapm_widgets = sc8280xp_dapm_widgets,
> @@ -480,6 +515,10 @@ static const struct of_device_id snd_sc8280xp_dt_match[] = {
>   	{ .compatible = "qcom,sm8550-sndcard", .data = &sm8550_priv_data },
>   	{ .compatible = "qcom,sm8650-sndcard", .data = &sm8650_priv_data },
>   	{ .compatible = "qcom,sm8750-sndcard", .data = &sm8750_priv_data },
> +	{
> +		.compatible = "thundercomm,qcs6490-rubikpi3-sndcard",
> +		.data = &qcs6490_rubikpi3_priv_data,
> +	},
>   	{}
>   };
>