[RFC PATCH 2/7] iio: adc: axp20x-adc: allow to skip ADC rate setup now
From: Icenowy Zheng <hidden>
Date: 2017-09-20 15:18:50
Also in:
linux-arm-kernel, linux-iio, linux-pm, lkml
Subsystem:
iio subsystem and drivers, the rest · Maintainers:
Jonathan Cameron, Linus Torvalds
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 <redacted> --- 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