INV_MPU6050_BIT_I2C_MST_EN
user_ctrl = st->chip_config.user_ctrl | INV_MPU6050_BIT_I2C_MST_EN;
user_ctrl |= INV_MPU6050_BIT_I2C_MST_EN;
user_ctrl &= ~INV_MPU6050_BIT_I2C_MST_EN;