diff options
Diffstat (limited to 'drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h')
| -rw-r--r-- | drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h b/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h index ef13de7a2c20..065794162d65 100644 --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h @@ -14,6 +14,7 @@ #include <linux/i2c-mux.h> #include <linux/kfifo.h> #include <linux/spinlock.h> +#include <linux/mutex.h> #include <linux/iio/iio.h> #include <linux/iio/buffer.h> #include <linux/regmap.h> @@ -28,6 +29,7 @@ * struct inv_mpu6050_reg_map - Notable registers. * @sample_rate_div: Divider applied to gyro output rate. * @lpf: Configures internal low pass filter. + * @accel_lpf: Configures accelerometer low pass filter. * @user_ctrl: Enables/resets the FIFO. * @fifo_en: Determines which data will appear in FIFO. * @gyro_config: gyro config register. @@ -47,6 +49,7 @@ struct inv_mpu6050_reg_map { u8 sample_rate_div; u8 lpf; + u8 accel_lpf; u8 user_ctrl; u8 fifo_en; u8 gyro_config; @@ -80,7 +83,6 @@ enum inv_devices { * @fsr: Full scale range. * @lpf: Digital low pass filter frequency. * @accl_fs: accel full scale range. - * @enable: master enable state. * @accl_fifo_enable: enable accel data output * @gyro_fifo_enable: enable gyro data output * @fifo_rate: FIFO update rate. @@ -89,7 +91,6 @@ struct inv_mpu6050_chip_config { unsigned int fsr:2; unsigned int lpf:3; unsigned int accl_fs:2; - unsigned int enable:1; unsigned int accl_fifo_enable:1; unsigned int gyro_fifo_enable:1; u16 fifo_rate; @@ -112,6 +113,7 @@ struct inv_mpu6050_hw { /* * struct inv_mpu6050_state - Driver state variables. * @TIMESTAMP_FIFO_SIZE: fifo size for timestamp. + * @lock: Chip access lock. * @trig: IIO trigger. * @chip_config: Cached attribute information. * @reg: Map of important registers. @@ -126,6 +128,7 @@ struct inv_mpu6050_hw { */ struct inv_mpu6050_state { #define TIMESTAMP_FIFO_SIZE 16 + struct mutex lock; struct iio_trigger *trig; struct inv_mpu6050_chip_config chip_config; const struct inv_mpu6050_reg_map *reg; @@ -188,6 +191,7 @@ struct inv_mpu6050_state { #define INV_MPU6050_FIFO_THRESHOLD 500 /* mpu6500 registers */ +#define INV_MPU6500_REG_ACCEL_CONFIG_2 0x1D #define INV_MPU6500_REG_ACCEL_OFFSET 0x77 /* delay time in milliseconds */ |