diff options
-rw-r--r-- | common/ec_features.c | 2 | ||||
-rw-r--r-- | common/motion_sense.c | 2 | ||||
-rw-r--r-- | include/config.h | 24 |
3 files changed, 27 insertions, 1 deletions
diff --git a/common/ec_features.c b/common/ec_features.c index 8d364118e0..fb45789a63 100644 --- a/common/ec_features.c +++ b/common/ec_features.c @@ -125,7 +125,7 @@ uint32_t get_feature_flags1(void) #ifdef CONFIG_CEC | EC_FEATURE_MASK_1(EC_FEATURE_CEC) #endif -#ifdef CONFIG_ACCEL_FIFO +#ifdef CONFIG_SENSOR_TIGHT_TIMESTAMPS | EC_FEATURE_MASK_1(EC_FEATURE_MOTION_SENSE_TIGHT_TIMESTAMPS) #endif #if defined(CONFIG_LID_ANGLE) && defined(CONFIG_TABLET_MODE) diff --git a/common/motion_sense.c b/common/motion_sense.c index 9601970f7b..4b4d996cc2 100644 --- a/common/motion_sense.c +++ b/common/motion_sense.c @@ -180,7 +180,9 @@ void motion_sense_fifo_add_data(struct ec_response_motion_sensor_data *data, struct motion_sensor_t *sensor, int valid_data, uint32_t time) { +#ifdef CONFIG_SENSOR_TIGHT_TIMESTAMPS motion_sense_insert_timestamp(time); +#endif motion_sense_fifo_add_unit(data, sensor, valid_data); } diff --git a/include/config.h b/include/config.h index 5607fecde2..bd31e034fd 100644 --- a/include/config.h +++ b/include/config.h @@ -151,6 +151,30 @@ /* Specify type of Gyrometers attached. */ #undef CONFIG_GYRO_L3GD20H +/* + * If this is defined, motion_sense sends sensor events to the AP in the format + * +-----------+ + * | Timestamp | + * | Payload | + * | Timestamp | + * | Payload | + * | ... | + * +-----------+ + * + * If this is not defined, the events will be sent in the format + * +-----------+ + * | Payload | + * | Payload | + * | Payload | + * | ... | + * | Timestamp | + * +-----------+ + * + * The former format enables improved filtering of sensor event timestamps on + * the AP, but comes with stricter jitter requirements. + */ +#define CONFIG_SENSOR_TIGHT_TIMESTAMPS + /* Sync event driver */ #undef CONFIG_SYNC |