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iio: adc: sc27xx: fix read big scale voltage not right

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Fix wrong configuration value of SC27XX_ADC_SCALE_MASK and
SC27XX_ADC_SCALE_SHIFT by spec documetation.

Fixes: 5df362a6cf (iio: adc: Add Spreadtrum SC27XX PMICs ADC support)
Signed-off-by: Cixi Geng <cixi.geng1@unisoc.com>
Reviewed-by: Baolin Wang <baolin.wang7@gmail.com>
Link: https://lore.kernel.org/r/20220419142458.884933-3-gengcixi@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Cixi Geng 2022-04-19 22:24:53 +08:00 committed by Jonathan Cameron
parent 392eeccc3b
commit ad930a7561
1 changed files with 2 additions and 2 deletions
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4
drivers/iio/adc/sc27xx_adc.c
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@ -36,8 +36,8 @@
/* Bits and mask definition for SC27XX_ADC_CH_CFG register */
#define SC27XX_ADC_CHN_ID_MASK GENMASK(4, 0)
#define SC27XX_ADC_SCALE_MASK GENMASK(10, 8)
#define SC27XX_ADC_SCALE_SHIFT 8
#define SC27XX_ADC_SCALE_MASK GENMASK(10, 9)
#define SC27XX_ADC_SCALE_SHIFT 9
/* Bits definitions for SC27XX_ADC_INT_EN registers */
#define SC27XX_ADC_IRQ_EN BIT(0)