diff --git a/drivers/iio/accel/adxl345_core.c b/drivers/iio/accel/adxl345_core.c index fd935e2bacd6..2e5fdd479e8d 100644 --- a/drivers/iio/accel/adxl345_core.c +++ b/drivers/iio/accel/adxl345_core.c @@ -34,6 +34,8 @@ #define ADXL345_INT2 1 #define ADXL345_REG_TAP_AXIS_MSK GENMASK(2, 0) +#define ADXL345_REG_TAP_SUPPRESS_MSK BIT(3) +#define ADXL345_REG_TAP_SUPPRESS BIT(3) #define ADXL345_TAP_Z_EN BIT(0) #define ADXL345_TAP_Y_EN BIT(1) @@ -295,6 +297,18 @@ static int adxl345_set_singletap_en(struct adxl345_state *st, static int adxl345_set_doubletap_en(struct adxl345_state *st, bool en) { + int ret; + + /* + * Generally suppress detection of spikes during the latency period as + * double taps here, this is fully optional for double tap detection + */ + ret = regmap_update_bits(st->regmap, ADXL345_REG_TAP_AXIS, + ADXL345_REG_TAP_SUPPRESS_MSK, + en ? ADXL345_REG_TAP_SUPPRESS : 0x00); + if (ret) + return ret; + return _adxl345_set_tap_int(st, ADXL345_DOUBLE_TAP, en); }