linux-kernel - Re: [PATCH] ASoC: qcom: x1e80100: Add USB DisplayPort plug support

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Message-ID: <Zl7v4hezEYcuCORC@hovoldconsulting.com>
Date: Tue, 4 Jun 2024 12:43:46 +0200
From: Johan Hovold <johan@...nel.org>
To: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
	Banajit Goswami <bgoswami@...cinc.com>,
	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>, Jaroslav Kysela <perex@...ex.cz>,
	Takashi Iwai <tiwai@...e.com>, alsa-devel@...a-project.org,
	linux-sound@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ASoC: qcom: x1e80100: Add USB DisplayPort plug support

On Tue, Jun 04, 2024 at 11:46:38AM +0200, Krzysztof Kozlowski wrote:
> Add support for handling jack events of USB (DisplayPort).

> Depends on:
> https://lore.kernel.org/all/20240422134354.89291-1-srinivas.kandagatla@linaro.org/
> ---

> @@ -20,12 +20,32 @@ struct x1e80100_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];

As I asked Srini, please rename this dp_jack.

>  	bool jack_setup;
>  };
>  
>  static int x1e80100_snd_init(struct snd_soc_pcm_runtime *rtd)
>  {
>  	struct x1e80100_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_jack *hdmi_jack = NULL;
> +	int hdmi_pcm_id = 0;

And use dp_ prefixes here too.

> +
> +	switch (cpu_dai->id) {
> +	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);
>  }

Johan