linux-kernel - Re: [PATCH v3 2/7] ASoC: codecs: wcd-clsh: add new version support

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Message-ID: <26038ba1-e8f6-08e3-bee5-673d69d7decd@linux.intel.com>
Date:   Fri, 19 Mar 2021 10:23:20 -0500
From:   Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
To:     Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        broonie@...nel.org
Cc:     robh@...nel.org, alsa-devel@...a-project.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        lgirdwood@...il.com
Subject: Re: [PATCH v3 2/7] ASoC: codecs: wcd-clsh: add new version support


> +static void wcd_clsh_v3_set_hph_mode(struct snd_soc_component *component,
> +				  int mode)
> +{
> +	u8 val = 0;

initialization not needed.

> +
> +	switch (mode) {
> +	case CLS_H_NORMAL:
> +		val = 0x00;
> +		break;
> +	case CLS_AB:
> +	case CLS_H_ULP:
> +		val = 0x0C;
> +		break;
> +	case CLS_AB_HIFI:
> +	case CLS_H_HIFI:
> +		val = 0x08;
> +		break;
> +	case CLS_H_LP:
> +	case CLS_H_LOHIFI:
> +	case CLS_AB_LP:
> +	case CLS_AB_LOHIFI:
> +		val = 0x04;
> +		break;
> +	default:
> +		dev_err(component->dev, "%s:Invalid mode %d\n", __func__, mode);
> +		return;
> +	};
> +
> +	snd_soc_component_update_bits(component, WCD9XXX_ANA_HPH, 0x0C, val);
> +}
> +
> +

extra line

> +void wcd_clsh_set_hph_mode(struct wcd_clsh_ctrl *ctrl, int mode)
> +{
> +	struct snd_soc_component *comp = ctrl->comp;
> +
> +	if (ctrl->codec_version >= WCD937X)
> +		wcd_clsh_v3_set_hph_mode(comp, mode);
> +	else
> +		wcd_clsh_v2_set_hph_mode(comp, mode);
> +
> +}
> +
>   static void wcd_clsh_set_flyback_current(struct snd_soc_component *comp,
>   					 int mode)
>   {
> @@ -289,6 +388,130 @@ static void wcd_clsh_set_buck_regulator_mode(struct snd_soc_component *comp,
>   					WCD9XXX_A_ANA_RX_REGULATOR_MODE_CLS_H);
>   }
>   
> +static void wcd_clsh_v3_set_buck_regulator_mode(struct snd_soc_component *component,
> +						int mode)
> +{
> +	snd_soc_component_update_bits(component, WCD9XXX_ANA_RX_SUPPLIES,
> +			    0x02, 0x00);
> +}
> +
> +static inline void wcd_clsh_v3_set_flyback_mode(struct snd_soc_component *component,
> +						int mode)
> +{
> +	if (mode == CLS_H_HIFI || mode == CLS_H_LOHIFI ||
> +	    mode == CLS_AB_HIFI || mode == CLS_AB_LOHIFI) {
> +		snd_soc_component_update_bits(component,
> +				WCD9XXX_ANA_RX_SUPPLIES,
> +				0x04, 0x04);
> +		snd_soc_component_update_bits(component,
> +				WCD9XXX_FLYBACK_VNEG_CTRL_4,
> +				0xF0, 0x80);
> +	} else {
> +		snd_soc_component_update_bits(component,
> +				WCD9XXX_ANA_RX_SUPPLIES,
> +				0x04, 0x00); /* set to Default */
> +		snd_soc_component_update_bits(component,
> +				WCD9XXX_FLYBACK_VNEG_CTRL_4,
> +				0xF0, 0x70);
> +	}
> +}
> +
> +static inline void wcd_clsh_v3_force_iq_ctl(struct snd_soc_component *component,
> +					 int mode, bool enable)
> +{
> +	if (enable) {
> +		snd_soc_component_update_bits(component,
> +				WCD9XXX_FLYBACK_VNEGDAC_CTRL_2,
> +				0xE0, 0xA0);
> +		/* 100usec delay is needed as per HW requirement */
> +		usleep_range(100, 110);
> +		snd_soc_component_update_bits(component,
> +				WCD9XXX_CLASSH_MODE_3,
> +				0x02, 0x02);
> +		snd_soc_component_update_bits(component,
> +				WCD9XXX_CLASSH_MODE_2,
> +				0xFF, 0x1C);
> +		if (mode == CLS_H_LOHIFI || mode == CLS_AB_LOHIFI) {
> +			snd_soc_component_update_bits(component,
> +					WCD9XXX_HPH_NEW_INT_PA_MISC2,
> +					0x20, 0x20);
> +			snd_soc_component_update_bits(component,
> +					WCD9XXX_RX_BIAS_HPH_LOWPOWER,
> +					0xF0, 0xC0);
> +			snd_soc_component_update_bits(component,
> +					WCD9XXX_HPH_PA_CTL1,
> +					0x0E, 0x02);
> +		}
> +	} else {
> +		snd_soc_component_update_bits(component,
> +				WCD9XXX_HPH_NEW_INT_PA_MISC2,
> +				0x20, 0x00);
> +		snd_soc_component_update_bits(component,
> +				WCD9XXX_RX_BIAS_HPH_LOWPOWER,
> +				0xF0, 0x80);
> +		snd_soc_component_update_bits(component,
> +				WCD9XXX_HPH_PA_CTL1,
> +				0x0E, 0x06);
> +	}
> +}

do you need the inline for the two functions above?