CROS_EC_SENSORHUB_TS_HISTORY_SIZE
if (state->history_len < CROS_EC_SENSORHUB_TS_HISTORY_SIZE)
s64 x_history[CROS_EC_SENSORHUB_TS_HISTORY_SIZE];
s64 y_history[CROS_EC_SENSORHUB_TS_HISTORY_SIZE];
s64 m_history[CROS_EC_SENSORHUB_TS_HISTORY_SIZE];
s64 temp_buf[CROS_EC_SENSORHUB_TS_HISTORY_SIZE];