22  *  @timestamp:		the interrupt timestamp
26  *  to choose the data timestamp to come.
29 				      s64 timestamp, size_t nb)  in inv_mpu6050_update_period()  argument
31 	/* Period boundaries for accepting timestamp */  in inv_mpu6050_update_period()
45 		 * Validate the use of it timestamp by checking if interrupt  in inv_mpu6050_update_period()
51 		delta = div_s64(timestamp - st->it_timestamp, divider);  in inv_mpu6050_update_period()
53 			/* update chip period and use it timestamp */  in inv_mpu6050_update_period()
62 		 * compute timestamp corresponding to the first sample using  in inv_mpu6050_update_period()
66 		st->data_timestamp = timestamp - interval;  in inv_mpu6050_update_period()
69 	/* save it timestamp */  in inv_mpu6050_update_period()
70 	st->it_timestamp = timestamp;  in inv_mpu6050_update_period()
74  *  inv_mpu6050_get_timestamp() - Return the current data timestamp
77  *  @return:		current data timestamp
79  *  This function returns the current data timestamp and prepares for next one.
85 	/* return current data timestamp and increment */  in inv_mpu6050_get_timestamp()
124 	s64 timestamp;  in inv_mpu6050_read_fifo()  local
180 	inv_mpu6050_update_period(st, pf->timestamp, nb);  in inv_mpu6050_read_fifo()
191 		timestamp = inv_mpu6050_get_timestamp(st);  in inv_mpu6050_read_fifo()
192 		iio_push_to_buffers_with_timestamp(indio_dev, st->data, timestamp);  in inv_mpu6050_read_fifo()