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

From: Cixi Geng
Date: Mon Apr 11 2022 - 08:50:52 EST


Jonathan Cameron <jic23@xxxxxxxxxx> 于2022年4月11日周一 00:02写道:
>
> On Thu, 7 Apr 2022 16:21:43 +0800
> Cixi Geng <gengcixi@xxxxxxxxx> wrote:
>
> > 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>
> Fixes tag?
Fixes: 5df362a6cf49c (iio: adc: Add Spreadtrum SC27XX PMICs ADC support)
> No need to resend for this though, just reply with the appropriate
> tag so when I use b4 it'll be picked up.
>
> Thanks,
>
> Jonathan
>
> > ---
> > 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)
>