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path: root/drivers/iio/accel/bmc150-accel.c
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Diffstat (limited to 'drivers/iio/accel/bmc150-accel.c')
-rw-r--r--drivers/iio/accel/bmc150-accel.c40
1 files changed, 33 insertions, 7 deletions
diff --git a/drivers/iio/accel/bmc150-accel.c b/drivers/iio/accel/bmc150-accel.c
index 22c096ce39ad..513bd6d14293 100644
--- a/drivers/iio/accel/bmc150-accel.c
+++ b/drivers/iio/accel/bmc150-accel.c
@@ -44,6 +44,9 @@
#define BMC150_ACCEL_REG_INT_STATUS_2 0x0B
#define BMC150_ACCEL_ANY_MOTION_MASK 0x07
+#define BMC150_ACCEL_ANY_MOTION_BIT_X BIT(0)
+#define BMC150_ACCEL_ANY_MOTION_BIT_Y BIT(1)
+#define BMC150_ACCEL_ANY_MOTION_BIT_Z BIT(2)
#define BMC150_ACCEL_ANY_MOTION_BIT_SIGN BIT(3)
#define BMC150_ACCEL_REG_PMU_LPW 0x11
@@ -92,9 +95,9 @@
#define BMC150_ACCEL_SLOPE_THRES_MASK 0xFF
/* Slope duration in terms of number of samples */
-#define BMC150_ACCEL_DEF_SLOPE_DURATION 2
+#define BMC150_ACCEL_DEF_SLOPE_DURATION 1
/* in terms of multiples of g's/LSB, based on range */
-#define BMC150_ACCEL_DEF_SLOPE_THRESHOLD 5
+#define BMC150_ACCEL_DEF_SLOPE_THRESHOLD 1
#define BMC150_ACCEL_REG_XOUT_L 0x02
@@ -536,6 +539,9 @@ static int bmc150_accel_set_power_state(struct bmc150_accel_data *data, bool on)
if (ret < 0) {
dev_err(&data->client->dev,
"Failed: bmc150_accel_set_power_state for %d\n", on);
+ if (on)
+ pm_runtime_put_noidle(&data->client->dev);
+
return ret;
}
@@ -811,6 +817,7 @@ static int bmc150_accel_write_event_config(struct iio_dev *indio_dev,
ret = bmc150_accel_setup_any_motion_interrupt(data, state);
if (ret < 0) {
+ bmc150_accel_set_power_state(data, false);
mutex_unlock(&data->mutex);
return ret;
}
@@ -846,7 +853,7 @@ static const struct attribute_group bmc150_accel_attrs_group = {
static const struct iio_event_spec bmc150_accel_event = {
.type = IIO_EV_TYPE_ROC,
- .dir = IIO_EV_DIR_RISING | IIO_EV_DIR_FALLING,
+ .dir = IIO_EV_DIR_EITHER,
.mask_separate = BIT(IIO_EV_INFO_VALUE) |
BIT(IIO_EV_INFO_ENABLE) |
BIT(IIO_EV_INFO_PERIOD)
@@ -1054,6 +1061,7 @@ static int bmc150_accel_data_rdy_trigger_set_state(struct iio_trigger *trig,
else
ret = bmc150_accel_setup_new_data_interrupt(data, state);
if (ret < 0) {
+ bmc150_accel_set_power_state(data, false);
mutex_unlock(&data->mutex);
return ret;
}
@@ -1092,12 +1100,26 @@ static irqreturn_t bmc150_accel_event_handler(int irq, void *private)
else
dir = IIO_EV_DIR_RISING;
- if (ret & BMC150_ACCEL_ANY_MOTION_MASK)
+ if (ret & BMC150_ACCEL_ANY_MOTION_BIT_X)
+ iio_push_event(indio_dev, IIO_MOD_EVENT_CODE(IIO_ACCEL,
+ 0,
+ IIO_MOD_X,
+ IIO_EV_TYPE_ROC,
+ dir),
+ data->timestamp);
+ if (ret & BMC150_ACCEL_ANY_MOTION_BIT_Y)
iio_push_event(indio_dev, IIO_MOD_EVENT_CODE(IIO_ACCEL,
0,
- IIO_MOD_X_OR_Y_OR_Z,
+ IIO_MOD_Y,
IIO_EV_TYPE_ROC,
- IIO_EV_DIR_EITHER),
+ dir),
+ data->timestamp);
+ if (ret & BMC150_ACCEL_ANY_MOTION_BIT_Z)
+ iio_push_event(indio_dev, IIO_MOD_EVENT_CODE(IIO_ACCEL,
+ 0,
+ IIO_MOD_Z,
+ IIO_EV_TYPE_ROC,
+ dir),
data->timestamp);
ack_intr_status:
if (!data->dready_trigger_on)
@@ -1354,10 +1376,14 @@ static int bmc150_accel_runtime_suspend(struct device *dev)
{
struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
struct bmc150_accel_data *data = iio_priv(indio_dev);
+ int ret;
dev_dbg(&data->client->dev, __func__);
+ ret = bmc150_accel_set_mode(data, BMC150_ACCEL_SLEEP_MODE_SUSPEND, 0);
+ if (ret < 0)
+ return -EAGAIN;
- return bmc150_accel_set_mode(data, BMC150_ACCEL_SLEEP_MODE_SUSPEND, 0);
+ return 0;
}
static int bmc150_accel_runtime_resume(struct device *dev)