[alsa-devel] [PATCH v4 1/6] ASoC: codecs: Add msm8916-wcd analog codec

[Mark Brown]

On Tue, Sep 06, 2016 at 10:57:40AM +0100, Srinivas Kandagatla wrote:

> +static const struct soc_enum hph_enum =
> +SOC_ENUM_SINGLE_VIRT(ARRAY_SIZE(hph_text), hph_text);

Coding style, let's have some indentation please.

> +		if (w->reg == CDC_A_TX_1_EN)
> +			snd_soc_update_bits(codec, CDC_D_CDC_CONN_TX1_CTL,
> +					    CONN_TX1_SERIAL_TX1_MUX,
> +					    CONN_TX1_SERIAL_TX1_ADC_1);
> +		else if ((w->reg == CDC_A_TX_2_EN) || (w->reg == CDC_A_TX_3_EN))
> +			snd_soc_update_bits(codec, CDC_D_CDC_CONN_TX2_CTL,
> +					    CONN_TX2_SERIAL_TX2_MUX,
> +					    CONN_TX2_SERIAL_TX2_ADC_2);

This looks like it should be a switch statement.

> +	for (reg = 0; reg < ARRAY_SIZE(wcd_reg_defaults_2_0); reg++)
> +		snd_soc_write(codec, wcd_reg_defaults_2_0[reg].reg,
> +			      wcd_reg_defaults_2_0[reg].def);

> +static int msm8916_wcd_analog_enable_spk_pa(struct snd_soc_dapm_widget *w,
> +					    struct snd_kcontrol *kcontrol,
> +					    int event)

We had some DAPM operations earlier, then the probe now we're back to
DAPM operations.  Seems a bit confused.

> +	//Path domain ???

C style comments please.

> +static int msm8916_wcd_analog_startup(struct snd_pcm_substream *substream,
> +				      struct snd_soc_dai *dai)
> +{
> +
> +	snd_soc_update_bits(dai->codec, CDC_A_MASTER_BIAS_CTL,
> +			    MASTER_BIAS_CTL_MASTER_BIAS_EN_MASK |
> +			    MASTER_BIAS_CTL_V2L_BUFFER_EN_MASK,
> +			    MASTER_BIAS_CTL_MASTER_BIAS_EN_ENABLE |
> +			    MASTER_BIAS_CTL_V2L_BUFFER_EN_ENABLE);
> +
> +	snd_soc_update_bits(dai->codec, CDC_D_CDC_RST_CTL,
> +			    RST_CTL_DIG_SW_RST_N_MASK,
> +			    RST_CTL_DIG_SW_RST_N_REMOVE_RESET);
> +
> +	return 0;
> +}

I'm not quite sure what this is doing but it looks like something I'd
expect to be in DAPM and I can't see anything that undoes this on
teardown either.

> +static int msm8916_wcd_analog_parse_dt(struct device *dev,
> +				       struct msm8916_wcd_analog_priv *priv)
> +{
> +	struct device_node *np = dev->of_node;
> +	int ret, i;
> +	u32 res[2];
> +
> +	ret = of_property_read_u32_array(np, "reg", res, 2);
> +	if (ret < 0)
> +		return ret;

That's weird, why are we reading a reg property directly?  Not that we
ever look at the value we parsed...

> +static const struct of_device_id msm8916_wcd_analog_spmi_match_table[] = {
> +	{.compatible = "qcom,msm8916-wcd-analog-codec"},
> +	{}
> +};

Coding style, let's have somme spaces please.
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