[PATCH v8 3/3] ASoC: qcom: sc7180: Add machine driver for sound card registration

[Tzung-Bi Shih]

On Thu, Sep 10, 2020 at 1:24 PM Cheng-Yi Chiang <cychiang at chromium.org> wrote:
> +struct sc7180_snd_data {
> +       u32 pri_mi2s_clk_count;
> +       struct snd_soc_jack hs_jack;
> +       struct device_node *hs_jack_of_node;
> +       struct snd_soc_jack hdmi_jack;
> +       struct device_node *hdmi_jack_of_node;
> +};
hs_jack_of_node and hdmi_jack_of_node are not using.  Remove them.

> +static int sc7180_init(struct snd_soc_pcm_runtime *rtd)
> +{
> +       struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
> +
> +       switch (cpu_dai->id) {
> +       case MI2S_PRIMARY:
> +               return sc7180_headset_init(rtd);
> +       case MI2S_SECONDARY:
> +               return 0;
> +       case HDMI:
I guess this enumeration has not merged yet?  It doesn't sound like a
specific-enough naming.

> +static int sc7180_snd_platform_probe(struct platform_device *pdev)
> +{
> +       struct snd_soc_card *card = &sc7180_card;
> +       struct sc7180_snd_data *data;
> +       struct device *dev = &pdev->dev;
> +       int ret;
> +
> +       /* Allocate the private data */
> +       data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
> +       if (!data)
> +               return -ENOMEM;
> +
> +       card->dev = dev;
> +
> +       ret = qcom_snd_parse_of(card);
> +       if (ret) {
> +               dev_err(dev, "Error parsing OF data\n");
> +               return ret;
> +       }
> +
> +       snd_soc_card_set_drvdata(card, data);
To be neat, move this line immediately before or after "card->dev = dev;".