diff options
Diffstat (limited to 'drivers/iio')
| -rw-r--r-- | drivers/iio/imu/inv_mpu6050/inv_mpu_core.c | 37 |
1 files changed, 23 insertions, 14 deletions
diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c index 225860016fed..84e014cc67c3 100644 --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c @@ -79,10 +79,11 @@ int inv_mpu6050_switch_engine(struct inv_mpu6050_state *st, bool en, u32 mask) { unsigned int d, mgmt_1; int result; - - /* switch clock needs to be careful. Only when gyro is on, can - clock source be switched to gyro. Otherwise, it must be set to - internal clock */ + /* + * switch clock needs to be careful. Only when gyro is on, can + * clock source be switched to gyro. Otherwise, it must be set to + * internal clock + */ if (INV_MPU6050_BIT_PWR_GYRO_STBY == mask) { result = regmap_read(st->map, st->reg->pwr_mgmt_1, &mgmt_1); if (result) @@ -92,8 +93,10 @@ int inv_mpu6050_switch_engine(struct inv_mpu6050_state *st, bool en, u32 mask) } if ((INV_MPU6050_BIT_PWR_GYRO_STBY == mask) && (!en)) { - /* turning off gyro requires switch to internal clock first. - Then turn off gyro engine */ + /* + * turning off gyro requires switch to internal clock first. + * Then turn off gyro engine + */ mgmt_1 |= INV_CLK_INTERNAL; result = regmap_write(st->map, st->reg->pwr_mgmt_1, mgmt_1); if (result) @@ -391,8 +394,10 @@ static int inv_mpu6050_write_raw(struct iio_dev *indio_dev, int result; mutex_lock(&indio_dev->mlock); - /* we should only update scale when the chip is disabled, i.e., - not running */ + /* + * we should only update scale when the chip is disabled, i.e. + * not running + */ if (st->chip_config.enable) { result = -EBUSY; goto error_write_raw; @@ -529,8 +534,10 @@ static ssize_t inv_attr_show(struct device *dev, s8 *m; switch (this_attr->address) { - /* In MPU6050, the two matrix are the same because gyro and accel - are integrated in one chip */ + /* + * In MPU6050, the two matrix are the same because gyro and accel + * are integrated in one chip + */ case ATTR_GYRO_MATRIX: case ATTR_ACCL_MATRIX: m = st->plat_data.orientation; @@ -654,10 +661,12 @@ static int inv_check_and_setup_chip(struct inv_mpu6050_state *st) if (result) return result; msleep(INV_MPU6050_POWER_UP_TIME); - /* toggle power state. After reset, the sleep bit could be on - or off depending on the OTP settings. Toggling power would - make it in a definite state as well as making the hardware - state align with the software state */ + /* + * toggle power state. After reset, the sleep bit could be on + * or off depending on the OTP settings. Toggling power would + * make it in a definite state as well as making the hardware + * state align with the software state + */ result = inv_mpu6050_set_power_itg(st, false); if (result) return result; |