diff options
Diffstat (limited to 'driver/accel_bma2x2.h')
| -rw-r--r-- | driver/accel_bma2x2.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/driver/accel_bma2x2.h b/driver/accel_bma2x2.h index 4b86161dd2..ef5eafe0f8 100644 --- a/driver/accel_bma2x2.h +++ b/driver/accel_bma2x2.h @@ -158,8 +158,14 @@ extern const struct accelgyro_drv bma2x2_accel_drv; /* Sensor resolution in number of bits. This sensor has fixed resolution. */ #define BMA2x2_RESOLUTION 12 -/* Min and Max sampling frequency in mHz */ +/* + * Min and Max sampling frequency in mHz. + * Given BMA255 is polled, we limit max frequency to 125Hz. + * If set to 250Hz, given we can read up to 3ms before the due time + * (see CONFIG_MOTION_MIN_SENSE_WAIT_TIME), we may read too early when + * other sensors are active. + */ #define BMA255_ACCEL_MIN_FREQ 7810 #define BMA255_ACCEL_MAX_FREQ \ - MOTION_MAX_SENSOR_FREQUENCY(1000000, 15625) + MOTION_MAX_SENSOR_FREQUENCY(125000, 15625) #endif /* __CROS_EC_ACCEL_BMA2x2_H */ |