Re: [PATCH 13/15] usb: typec: tcpm/tcpci_maxim: use GENMASK() for TCPC_VENDOR_ADC_CTRL1 register

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On Wed, Jul 10, 2024 at 11:36:20AM +0100, André Draszik wrote:
> Convert register TCPC_VENDOR_ADC_CTRL1 to using GENMASK() and
> FIELD_PREP() so as to keep using a similar approach throughout the code
> base and make it arguably easier to read.
> 
> Signed-off-by: André Draszik <andre.draszik@xxxxxxxxxx>

Reviewed-by: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx>

> ---
>  drivers/usb/typec/tcpm/maxim_contaminant.c | 7 ++++---
>  drivers/usb/typec/tcpm/tcpci_maxim.h       | 3 +--
>  2 files changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/usb/typec/tcpm/maxim_contaminant.c b/drivers/usb/typec/tcpm/maxim_contaminant.c
> index cf9887de96c9..7bfec45e8f4f 100644
> --- a/drivers/usb/typec/tcpm/maxim_contaminant.c
> +++ b/drivers/usb/typec/tcpm/maxim_contaminant.c
> @@ -76,8 +76,8 @@ static int max_contaminant_read_adc_mv(struct max_tcpci_chip *chip, enum fladc_s
>  	int ret;
>  
>  	/* Channel & scale select */
> -	ret = regmap_update_bits(regmap, TCPC_VENDOR_ADC_CTRL1, ADCINSEL_MASK,
> -				 channel << ADC_CHANNEL_OFFSET);
> +	ret = regmap_update_bits(regmap, TCPC_VENDOR_ADC_CTRL1, ADCINSEL,
> +				 FIELD_PREP(ADCINSEL, channel));
>  	if (ret < 0)
>  		return ret;
>  
> @@ -96,7 +96,8 @@ static int max_contaminant_read_adc_mv(struct max_tcpci_chip *chip, enum fladc_s
>  	if (ret < 0)
>  		return ret;
>  
> -	ret = regmap_update_bits(regmap, TCPC_VENDOR_ADC_CTRL1, ADCINSEL_MASK, 0);
> +	ret = regmap_update_bits(regmap, TCPC_VENDOR_ADC_CTRL1, ADCINSEL,
> +				 FIELD_PREP(ADCINSEL, 0));
>  	if (ret < 0)
>  		return ret;
>  
> diff --git a/drivers/usb/typec/tcpm/tcpci_maxim.h b/drivers/usb/typec/tcpm/tcpci_maxim.h
> index 34076069444f..a41ca9e7ad08 100644
> --- a/drivers/usb/typec/tcpm/tcpci_maxim.h
> +++ b/drivers/usb/typec/tcpm/tcpci_maxim.h
> @@ -37,8 +37,7 @@
>  #define WTRCYCLE_4_8_S                          1
>  
>  #define TCPC_VENDOR_ADC_CTRL1                   0x91
> -#define ADCINSEL_MASK                           GENMASK(7, 5)
> -#define ADC_CHANNEL_OFFSET                      5
> +#define ADCINSEL                                GENMASK(7, 5)
>  #define ADCEN                                   BIT(0)
>  
>  enum contamiant_state {
> 
> -- 
> 2.45.2.803.g4e1b14247a-goog

-- 
heikki




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