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Subject[RFC PATCH 2/7] iio: adc: axp20x-adc: allow to skip ADC rate setup now
Date
The ADC rate setup on AXP803 is more complex than AXP20x/22x.

As it's not a necessary setup, allow it to be skipped, to allow simpler
AXP803 support now.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
---
drivers/iio/adc/axp20x_adc.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/iio/adc/axp20x_adc.c b/drivers/iio/adc/axp20x_adc.c
index 11e177180ea0..93dd6b80059e 100644
--- a/drivers/iio/adc/axp20x_adc.c
+++ b/drivers/iio/adc/axp20x_adc.c
@@ -556,8 +556,10 @@ static int axp20x_probe(struct platform_device *pdev)
AXP20X_ADC_EN2_MASK, AXP20X_ADC_EN2_MASK);

/* Configure ADCs rate */
- regmap_update_bits(info->regmap, AXP20X_ADC_RATE, AXP20X_ADC_RATE_MASK,
- info->data->adc_rate(100));
+ if (info->data->adc_rate)
+ regmap_update_bits(info->regmap, AXP20X_ADC_RATE,
+ AXP20X_ADC_RATE_MASK,
+ info->data->adc_rate(100));

ret = iio_map_array_register(indio_dev, info->data->maps);
if (ret < 0) {
--
2.13.5
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