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Date: Fri, 31 May 2024 01:41:38 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
To: srinivas.kandagatla@linaro.org
Cc: broonie@kernel.org, perex@perex.cz, tiwai@suse.com, lgirdwood@gmail.com,
	alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 3/4] ASoC: qcom: sc8280xp: add Display port Jack
Message-ID: <ZlkAotVPuGH_H9jg@eriador.lumag.spb.ru>
References: <20240422134354.89291-1-srinivas.kandagatla@linaro.org>
 <20240422134354.89291-4-srinivas.kandagatla@linaro.org>
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In-Reply-To: <20240422134354.89291-4-srinivas.kandagatla@linaro.org>

On Mon, Apr 22, 2024 at 02:43:53PM +0100, srinivas.kandagatla@linaro.org wrote:
> From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
> 
> Add support to Display Port Jack events, by making use of common helper
> function.
> 
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
> ---
>  sound/soc/qcom/sc8280xp.c | 14 ++++++++++++++
>  1 file changed, 14 insertions(+)
> 
> diff --git a/sound/soc/qcom/sc8280xp.c b/sound/soc/qcom/sc8280xp.c
> index 878bd50ad4a7..38f97f19add9 100644
> --- a/sound/soc/qcom/sc8280xp.c
> +++ b/sound/soc/qcom/sc8280xp.c
> @@ -19,6 +19,7 @@ struct sc8280xp_snd_data {
>  	struct snd_soc_card *card;
>  	struct sdw_stream_runtime *sruntime[AFE_PORT_MAX];
>  	struct snd_soc_jack jack;
> +	struct snd_soc_jack hdmi_jack[8];
>  	bool jack_setup;
>  };
>  
> @@ -27,6 +28,8 @@ static int sc8280xp_snd_init(struct snd_soc_pcm_runtime *rtd)
>  	struct sc8280xp_snd_data *data = snd_soc_card_get_drvdata(rtd->card);
>  	struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
>  	struct snd_soc_card *card = rtd->card;
> +	struct snd_soc_jack *hdmi_jack  = NULL;
> +	int hdmi_pcm_id = 0;

Using hdmi_ prefix for DP jacks is counterintuitive at best.

>  
>  	switch (cpu_dai->id) {
>  	case WSA_CODEC_DMA_RX_0:
> @@ -41,10 +44,21 @@ static int sc8280xp_snd_init(struct snd_soc_pcm_runtime *rtd)
>  		snd_soc_limit_volume(card, "SpkrLeft PA Volume", 17);
>  		snd_soc_limit_volume(card, "SpkrRight PA Volume", 17);
>  		break;

I'd suggest either using DISPLAY_PORT_RX here or adding a comment to
point out that DP RX ids are not sequential.

> +	case DISPLAY_PORT_RX_0:
> +		hdmi_pcm_id = 0;
> +		hdmi_jack = &data->hdmi_jack[hdmi_pcm_id];
> +		break;
> +	case DISPLAY_PORT_RX_1 ... DISPLAY_PORT_RX_7:
> +		hdmi_pcm_id = cpu_dai->id - DISPLAY_PORT_RX_1 + 1;
> +		hdmi_jack = &data->hdmi_jack[hdmi_pcm_id];
> +		break;
>  	default:
>  		break;
>  	}
>  
> +	if (hdmi_jack)
> +		return qcom_snd_dp_jack_setup(rtd, hdmi_jack, hdmi_pcm_id);
> +
>  	return qcom_snd_wcd_jack_setup(rtd, &data->jack, &data->jack_setup);
>  }
>  
> -- 
> 2.25.1
> 

-- 
With best wishes
Dmitry