Link activity and inactivity to indicate the internal power-saving state. Add auto-sleep to be linked to inactivity. Signed-off-by: Lothar Rubusch <l.rubusch@xxxxxxxxx> --- drivers/iio/accel/adxl313.h | 3 +++ drivers/iio/accel/adxl313_core.c | 20 ++++++++++++++++++++ 2 files changed, 23 insertions(+) diff --git a/drivers/iio/accel/adxl313.h b/drivers/iio/accel/adxl313.h index d7e8cb44855b..75ef54b60f75 100644 --- a/drivers/iio/accel/adxl313.h +++ b/drivers/iio/accel/adxl313.h @@ -41,6 +41,9 @@ #define ADXL313_RATE_BASE 6 #define ADXL313_POWER_CTL_MSK BIT(3) +#define ADXL313_POWER_CTL_INACT_MSK GENMASK(5, 4) +#define ADXL313_POWER_CTL_LINK BIT(5) +#define ADXL313_POWER_CTL_AUTO_SLEEP BIT(4) #define ADXL313_RANGE_MSK GENMASK(1, 0) #define ADXL313_RANGE_MAX 3 diff --git a/drivers/iio/accel/adxl313_core.c b/drivers/iio/accel/adxl313_core.c index c5767d56b0cb..1598562a38e2 100644 --- a/drivers/iio/accel/adxl313_core.c +++ b/drivers/iio/accel/adxl313_core.c @@ -396,6 +396,7 @@ static int adxl313_set_act_inact_en(struct adxl313_data *data, unsigned int axis_ctrl; unsigned int threshold; unsigned int inact_time_s; + int act_en, inact_en; bool en; int ret; @@ -431,6 +432,25 @@ static int adxl313_set_act_inact_en(struct adxl313_data *data, if (ret) return ret; + /* + * Set sleep and link bit only when ACT and INACT are enabled. + */ + act_en = adxl313_is_act_inact_en(data, ADXL313_ACTIVITY); + if (act_en < 0) + return act_en; + + inact_en = adxl313_is_act_inact_en(data, ADXL313_INACTIVITY); + if (inact_en < 0) + return inact_en; + + en = en && act_en && inact_en; + + ret = regmap_assign_bits(data->regmap, ADXL313_REG_POWER_CTL, + (ADXL313_POWER_CTL_AUTO_SLEEP | ADXL313_POWER_CTL_LINK), + en); + if (ret) + return ret; + return adxl313_set_measure_en(data, true); } -- 2.39.5
