[PATCH V3 2/7] iio: adc: sc27xx: fix read big scale voltage not right

From: Cixi Geng
Date: Thu Apr 07 2022 - 04:22:26 EST


From: Cixi Geng <cixi.geng1@xxxxxxxxxx>

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

Signed-off-by: Cixi Geng <cixi.geng1@xxxxxxxxxx>
Reviewed-by: Baolin Wang <baolin.wang7@xxxxxxxxx>
---
drivers/iio/adc/sc27xx_adc.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/iio/adc/sc27xx_adc.c b/drivers/iio/adc/sc27xx_adc.c
index 00098caf6d9e..aee076c8e2b1 100644
--- a/drivers/iio/adc/sc27xx_adc.c
+++ b/drivers/iio/adc/sc27xx_adc.c
@@ -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)
--
2.25.1