Re: [PATCH 3/4] ASoC: rockchip_max98090: Add dai_link for HDMI

[Tzung-Bi Shih]

On Fri, Jul 5, 2019 at 12:26 PM Cheng-Yi Chiang <cychiang@xxxxxxxxxxxx> wrote:
> diff --git a/sound/soc/rockchip/rockchip_max98090.c b/sound/soc/rockchip/rockchip_max98090.c
> index c5fc24675a33..195309d1225a 100644
> --- a/sound/soc/rockchip/rockchip_max98090.c
> +++ b/sound/soc/rockchip/rockchip_max98090.c
>  static int rk_aif1_hw_params(struct snd_pcm_substream *substream,
> @@ -92,38 +95,59 @@ static int rk_aif1_hw_params(struct snd_pcm_substream *substream,
>
>         ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk,
>                                      SND_SOC_CLOCK_OUT);
> -       if (ret < 0) {
> -               dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret);
> +       if (ret && ret != -ENOTSUPP) {
> +               dev_err(cpu_dai->dev, "Can't set cpu dai clock %d\n", ret);
>                 return ret;
>         }
>
>         ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
>                                      SND_SOC_CLOCK_IN);
> -       if (ret < 0) {
> -               dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret);
> +       if (ret && ret != -ENOTSUPP) {
> +               dev_err(codec_dai->dev, "Can't set codec dai clock %d\n", ret);
>                 return ret;
>         }
Does it imply: it is acceptable even if they are "not supported"?


>
> -       return ret;
> +       return 0;
>  }
>
>  static const struct snd_soc_ops rk_aif1_ops = {
>         .hw_params = rk_aif1_hw_params,
>  };
>
> -SND_SOC_DAILINK_DEFS(hifi,
> +SND_SOC_DAILINK_DEFS(analog,
>         DAILINK_COMP_ARRAY(COMP_EMPTY()),
>         DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "HiFi")),
>         DAILINK_COMP_ARRAY(COMP_EMPTY()));
>
> -static struct snd_soc_dai_link rk_dailink = {
> -       .name = "max98090",
> -       .stream_name = "Audio",
> -       .ops = &rk_aif1_ops,
> -       /* set max98090 as slave */
> -       .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
> -               SND_SOC_DAIFMT_CBS_CFS,
> -       SND_SOC_DAILINK_REG(hifi),
> +SND_SOC_DAILINK_DEFS(hdmi,
> +       DAILINK_COMP_ARRAY(COMP_EMPTY()),
> +       DAILINK_COMP_ARRAY(COMP_CODEC("hdmi-audio-codec.3.auto", "i2s-hifi")),
> +       DAILINK_COMP_ARRAY(COMP_EMPTY()));
> +
> +enum {
> +       DAILINK_MAX98090,
> +       DAILINK_HDMI,
> +};
> +
> +/* max98090 and HDMI codec dai_link */
> +static struct snd_soc_dai_link rk_dailinks[] = {
> +       [DAILINK_MAX98090] = {
> +               .name = "max98090",
> +               .stream_name = "Analog",
> +               .ops = &rk_aif1_ops,
> +               /* set max98090 as slave */
> +               .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
> +                       SND_SOC_DAIFMT_CBS_CFS,
> +               SND_SOC_DAILINK_REG(analog),
> +       },
> +       [DAILINK_HDMI] = {
> +               .name = "HDMI",
> +               .stream_name = "HDMI",
> +               .ops = &rk_aif1_ops,
> +               .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
> +                       SND_SOC_DAIFMT_CBS_CFS,
> +               SND_SOC_DAILINK_REG(hdmi),
> +       }
>  };
>
>  static int rk_98090_headset_init(struct snd_soc_component *component);
> @@ -136,8 +160,8 @@ static struct snd_soc_aux_dev rk_98090_headset_dev = {
>  static struct snd_soc_card snd_soc_card_rk = {
>         .name = "ROCKCHIP-I2S",
>         .owner = THIS_MODULE,
> -       .dai_link = &rk_dailink,
> -       .num_links = 1,
> +       .dai_link = rk_dailinks,
> +       .num_links = ARRAY_SIZE(rk_dailinks),
>         .aux_dev = &rk_98090_headset_dev,
>         .num_aux_devs = 1,
>         .dapm_widgets = rk_dapm_widgets,
> @@ -173,27 +197,48 @@ static int snd_rk_mc_probe(struct platform_device *pdev)
>         int ret = 0;
>         struct snd_soc_card *card = &snd_soc_card_rk;
>         struct device_node *np = pdev->dev.of_node;
> +       struct device_node *np_analog;
> +       struct device_node *np_cpu;
> +       struct of_phandle_args args;
>
>         /* register the soc card */
>         card->dev = &pdev->dev;
>
> -       rk_dailink.codecs->of_node = of_parse_phandle(np,
> -                       "rockchip,audio-codec", 0);
> -       if (!rk_dailink.codecs->of_node) {
> +       np_analog = of_parse_phandle(np, "rockchip,audio-codec", 0);
> +       if (!np_analog) {
>                 dev_err(&pdev->dev,
>                         "Property 'rockchip,audio-codec' missing or invalid\n");
>                 return -EINVAL;
>         }
> +       rk_dailinks[DAILINK_MAX98090].codecs->of_node = np_analog;
> +
> +       ret = of_parse_phandle_with_fixed_args(np, "rockchip,audio-codec",
> +                                              0, 0, &args);
> +       if (ret) {
> +               dev_err(&pdev->dev,
> +                       "Unable to parse property 'rockchip,audio-codec'\n");
> +               return ret;
> +       }
> +
> +       ret = snd_soc_get_dai_name(
> +                       &args, &rk_dailinks[DAILINK_MAX98090].codecs->dai_name);
> +       if (ret) {
> +               dev_err(&pdev->dev, "Unable to get codec dai_name\n");
> +               return ret;
> +       }
> +
> +       np_cpu = of_parse_phandle(np, "rockchip,i2s-controller", 0);
>
> -       rk_dailink.cpus->of_node = of_parse_phandle(np,
> -                       "rockchip,i2s-controller", 0);
> -       if (!rk_dailink.cpus->of_node) {
> +       if (!np_cpu) {
>                 dev_err(&pdev->dev,
>                         "Property 'rockchip,i2s-controller' missing or invalid\n");
>                 return -EINVAL;
>         }
>
> -       rk_dailink.platforms->of_node = rk_dailink.cpus->of_node;
> +       rk_dailinks[DAILINK_MAX98090].cpus->of_node = np_cpu;
> +       rk_dailinks[DAILINK_MAX98090].platforms->of_node = np_cpu;
> +       rk_dailinks[DAILINK_HDMI].cpus->of_node = np_cpu;
> +       rk_dailinks[DAILINK_HDMI].platforms->of_node = np_cpu;
>
>         rk_98090_headset_dev.codec_of_node = of_parse_phandle(np,
>                         "rockchip,headset-codec", 0);
> --
> 2.22.0.410.gd8fdbe21b5-goog
>