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

From: Jonathan Cameron
Date: Sun Jan 09 2022 - 11:00:36 EST


On Fri, 7 Jan 2022 14:55:15 +0800
Baolin Wang <baolin.wang7@xxxxxxxxx> wrote:

> On Thu, Jan 6, 2022 at 9:00 PM 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: Yuming Zhu <yuming.zhu1@xxxxxxxxxx>
> > Signed-off-by: Cixi Geng <cixi.geng1@xxxxxxxxxx>
>
> Reviewed-by: Baolin Wang <baolin.wang7@xxxxxxxxx>

Fixes: tag for backports?

or is this having no visible result today?

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)
> > --
> > 2.25.1
> >
>
>