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-rw-r--r--drivers/iio/imu/inv_mpu6050/inv_mpu_core.c41
-rw-r--r--drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c11
-rw-r--r--drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c10
3 files changed, 24 insertions, 38 deletions
diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
index c4db9086775c..0b06d6aa6469 100644
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
@@ -301,7 +301,6 @@ int inv_mpu6050_set_power_itg(struct inv_mpu6050_state *st, bool power_on)
return 0;
}
-EXPORT_SYMBOL_GPL(inv_mpu6050_set_power_itg);
static int inv_mpu6050_set_gyro_fsr(struct inv_mpu6050_state *st,
enum inv_mpu6050_fsr_e val)
@@ -371,27 +370,23 @@ static int inv_mpu6050_init_config(struct iio_dev *indio_dev)
u8 d;
struct inv_mpu6050_state *st = iio_priv(indio_dev);
- result = inv_mpu6050_set_power_itg(st, true);
- if (result)
- return result;
-
result = inv_mpu6050_set_gyro_fsr(st, INV_MPU6050_FSR_2000DPS);
if (result)
- goto error_power_off;
+ return result;
result = inv_mpu6050_set_lpf_regs(st, INV_MPU6050_FILTER_20HZ);
if (result)
- goto error_power_off;
+ return result;
d = INV_MPU6050_FIFO_RATE_TO_DIVIDER(INV_MPU6050_INIT_FIFO_RATE);
result = regmap_write(st->map, st->reg->sample_rate_div, d);
if (result)
- goto error_power_off;
+ return result;
d = (INV_MPU6050_FS_02G << INV_MPU6050_ACCL_CONFIG_FSR_SHIFT);
result = regmap_write(st->map, st->reg->accl_config, d);
if (result)
- goto error_power_off;
+ return result;
result = regmap_write(st->map, st->reg->int_pin_cfg, st->irq_mask);
if (result)
@@ -410,13 +405,9 @@ static int inv_mpu6050_init_config(struct iio_dev *indio_dev)
/* magn chip init, noop if not present in the chip */
result = inv_mpu_magn_probe(st);
if (result)
- goto error_power_off;
-
- return inv_mpu6050_set_power_itg(st, false);
+ return result;
-error_power_off:
- inv_mpu6050_set_power_itg(st, false);
- return result;
+ return 0;
}
static int inv_mpu6050_sensor_set(struct inv_mpu6050_state *st, int reg,
@@ -1176,7 +1167,7 @@ static int inv_check_and_setup_chip(struct inv_mpu6050_state *st)
if (result)
goto error_power_off;
- return inv_mpu6050_set_power_itg(st, false);
+ return 0;
error_power_off:
inv_mpu6050_set_power_itg(st, false);
@@ -1341,7 +1332,7 @@ int inv_mpu_core_probe(struct regmap *regmap, int irq, const char *name,
result = inv_mpu6050_init_config(indio_dev);
if (result) {
dev_err(dev, "Could not initialize device.\n");
- return result;
+ goto error_power_off;
}
dev_set_drvdata(dev, indio_dev);
@@ -1353,8 +1344,16 @@ int inv_mpu_core_probe(struct regmap *regmap, int irq, const char *name,
indio_dev->name = dev_name(dev);
/* requires parent device set in indio_dev */
- if (inv_mpu_bus_setup)
- inv_mpu_bus_setup(indio_dev);
+ if (inv_mpu_bus_setup) {
+ result = inv_mpu_bus_setup(indio_dev);
+ if (result)
+ goto error_power_off;
+ }
+
+ /* chip init is done, turning off */
+ result = inv_mpu6050_set_power_itg(st, false);
+ if (result)
+ return result;
switch (chip_type) {
case INV_MPU9150:
@@ -1413,6 +1412,10 @@ int inv_mpu_core_probe(struct regmap *regmap, int irq, const char *name,
}
return 0;
+
+error_power_off:
+ inv_mpu6050_set_power_itg(st, false);
+ return result;
}
EXPORT_SYMBOL_GPL(inv_mpu_core_probe);
diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c
index 24df880248f2..6993d3b87bb0 100644
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c
@@ -78,22 +78,13 @@ static int inv_mpu_i2c_aux_setup(struct iio_dev *indio_dev)
/* enable i2c bypass when using i2c auxiliary bus */
if (inv_mpu_i2c_aux_bus(dev)) {
- ret = inv_mpu6050_set_power_itg(st, true);
- if (ret)
- return ret;
ret = regmap_write(st->map, st->reg->int_pin_cfg,
st->irq_mask | INV_MPU6050_BIT_BYPASS_EN);
if (ret)
- goto error;
- ret = inv_mpu6050_set_power_itg(st, false);
- if (ret)
- goto error;
+ return ret;
}
return 0;
-error:
- inv_mpu6050_set_power_itg(st, false);
- return ret;
}
/**
diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c
index bc351dd58c53..673b198e6368 100644
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c
@@ -21,10 +21,6 @@ static int inv_mpu_i2c_disable(struct iio_dev *indio_dev)
struct inv_mpu6050_state *st = iio_priv(indio_dev);
int ret = 0;
- ret = inv_mpu6050_set_power_itg(st, true);
- if (ret)
- return ret;
-
if (st->reg->i2c_if) {
ret = regmap_write(st->map, st->reg->i2c_if,
INV_ICM20602_BIT_I2C_IF_DIS);
@@ -33,12 +29,8 @@ static int inv_mpu_i2c_disable(struct iio_dev *indio_dev)
ret = regmap_write(st->map, st->reg->user_ctrl,
st->chip_config.user_ctrl);
}
- if (ret) {
- inv_mpu6050_set_power_itg(st, false);
- return ret;
- }
- return inv_mpu6050_set_power_itg(st, false);
+ return ret;
}
static int inv_mpu_probe(struct spi_device *spi)