Re: [PATCH v4 09/15] iio: adc: axp20x_adc: Replace adc_en2 flag with adc_en2_mask field

Andy Shevchenko
2022-06-30T07:59:46Z

On Wed, Jun 29, 2022 at 4:30 PM Aidan MacDonald
<aidanmacdonald.0x0@gmail.com> wrote:
>
> The adc_en2 flag is essentially specific to axp20x-compatible devices
> because it hardcodes register values. Replace it with a mask field
> so the register value can be specified in device match data.

Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>

> Signed-off-by: Aidan MacDonald <aidanmacdonald.0x0@gmail.com>
> ---
> drivers/iio/adc/axp20x_adc.c | 16 +++++++---------
> 1 file changed, 7 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/iio/adc/axp20x_adc.c b/drivers/iio/adc/axp20x_adc.c
> index ab25e6e1ff65..75bda94dbce1 100644
> --- a/drivers/iio/adc/axp20x_adc.c
> +++ b/drivers/iio/adc/axp20x_adc.c
> @@ -623,9 +623,9 @@ struct axp_data {
> int num_channels;
> struct iio_chan_spec const *channels;
> unsigned long adc_en1_mask;
> + unsigned long adc_en2_mask;
> int (*adc_rate)(struct axp20x_adc_iio *info,
> int rate);
> - bool adc_en2;
> struct iio_map *maps;
> };
>
> @@ -634,8 +634,8 @@ static const struct axp_data axp20x_data = {
> .num_channels = ARRAY_SIZE(axp20x_adc_channels),
> .channels = axp20x_adc_channels,
> .adc_en1_mask = AXP20X_ADC_EN1_MASK,
> + .adc_en2_mask = AXP20X_ADC_EN2_MASK,
> .adc_rate = axp20x_adc_rate,
> - .adc_en2 = true,
> .maps = axp20x_maps,
> };
>
> @@ -645,7 +645,6 @@ static const struct axp_data axp22x_data = {
> .channels = axp22x_adc_channels,
> .adc_en1_mask = AXP22X_ADC_EN1_MASK,
> .adc_rate = axp22x_adc_rate,
> - .adc_en2 = false,
> .maps = axp22x_maps,
> };
>
> @@ -655,7 +654,6 @@ static const struct axp_data axp813_data = {
> .channels = axp813_adc_channels,
> .adc_en1_mask = AXP22X_ADC_EN1_MASK,
> .adc_rate = axp813_adc_rate,
> - .adc_en2 = false,
> .maps = axp22x_maps,
> };
>
> @@ -713,10 +711,10 @@ static int axp20x_probe(struct platform_device *pdev)
> /* Enable the ADCs on IP */
> regmap_write(info->regmap, AXP20X_ADC_EN1, info->data->adc_en1_mask);
>
> - if (info->data->adc_en2)
> - /* Enable GPIO0/1 and internal temperature ADCs */
> + if (info->data->adc_en2_mask)
> regmap_update_bits(info->regmap, AXP20X_ADC_EN2,
> - AXP20X_ADC_EN2_MASK, AXP20X_ADC_EN2_MASK);
> + info->data->adc_en2_mask,
> + info->data->adc_en2_mask);
>
> /* Configure ADCs rate */
> info->data->adc_rate(info, 100);
> @@ -741,7 +739,7 @@ static int axp20x_probe(struct platform_device *pdev)
> fail_map:
> regmap_write(info->regmap, AXP20X_ADC_EN1, 0);
>
> - if (info->data->adc_en2)
> + if (info->data->adc_en2_mask)
> regmap_write(info->regmap, AXP20X_ADC_EN2, 0);
>
> return ret;
> @@ -757,7 +755,7 @@ static int axp20x_remove(struct platform_device *pdev)
>
> regmap_write(info->regmap, AXP20X_ADC_EN1, 0);
>
> - if (info->data->adc_en2)
> + if (info->data->adc_en2_mask)
> regmap_write(info->regmap, AXP20X_ADC_EN2, 0);
>
> return 0;
> --
> 2.35.1
>

--
With Best Regards,
Andy Shevchenko