aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/iio
diff options
context:
space:
mode:
authorCixi Geng <cixi.geng1@unisoc.com>2022-04-19 22:24:53 +0800
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2022-04-28 19:22:56 +0100
commitad930a75613282400179361e220e58b87386b8c7 (patch)
tree8f759f168a3a6ed8d1c8926a985ed47a0ebc64f3 /drivers/iio
parentdt-bindings:iio:adc: add sprd,ump9620-adc dt-binding (diff)
downloadlinux-dev-ad930a75613282400179361e220e58b87386b8c7.tar.xz
linux-dev-ad930a75613282400179361e220e58b87386b8c7.zip
iio: adc: sc27xx: fix read big scale voltage not right
Fix wrong configuration value of SC27XX_ADC_SCALE_MASK and SC27XX_ADC_SCALE_SHIFT by spec documetation. Fixes: 5df362a6cf49c (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>
Diffstat (limited to 'drivers/iio')
-rw-r--r--drivers/iio/adc/sc27xx_adc.c4
1 files 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)