Add ability to set the precharge internal resistance from the device tree. Signed-off-by: Gwendal Grignou <gwendal@xxxxxxxxxxxx> --- Changes since v2: - Change kOhms into ohms. Changes since v1: - Suffix field with kOhms unit. - Split patch in 2. drivers/iio/proximity/sx9324.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/iio/proximity/sx9324.c b/drivers/iio/proximity/sx9324.c index 1dfa19426c210..3f229dffd5380 100644 --- a/drivers/iio/proximity/sx9324.c +++ b/drivers/iio/proximity/sx9324.c @@ -72,6 +72,7 @@ #define SX9324_REG_AFE_CTRL8 0x2c #define SX9324_REG_AFE_CTRL8_RSVD 0x10 #define SX9324_REG_AFE_CTRL8_RESFILTIN_4KOHM 0x02 +#define SX9324_REG_AFE_CTRL8_RESFILTIN_MASK GENMASK(3, 0) #define SX9324_REG_AFE_CTRL9 0x2d #define SX9324_REG_AFE_CTRL9_AGAIN_1 0x08 @@ -893,6 +894,15 @@ sx9324_get_default_reg(struct device *dev, int idx, reg_def->def |= FIELD_PREP(SX9324_REG_AFE_CTRL4_RESOLUTION_MASK, raw); break; + case SX9324_REG_AFE_CTRL8: + ret = device_property_read_u32(dev, + "semtech,input-precharge-resistor-ohms", + &raw); + reg_def->def &= ~SX9324_REG_AFE_CTRL8_RESFILTIN_MASK; + reg_def->def |= FIELD_PREP(SX9324_REG_AFE_CTRL8_RESFILTIN_MASK, + raw / 2000); + break; + case SX9324_REG_ADV_CTRL5: ret = device_property_read_u32(dev, "semtech,startup-sensor", &start); -- 2.35.1.1021.g381101b075-goog
