diff options
| -rw-r--r-- | services/sensorservice/SensorService.cpp | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/services/sensorservice/SensorService.cpp b/services/sensorservice/SensorService.cpp index 40b21a9..fd72b23 100644 --- a/services/sensorservice/SensorService.cpp +++ b/services/sensorservice/SensorService.cpp @@ -912,10 +912,15 @@ status_t SensorService::enable(const sp<SensorEventConnection>& connection, status_t err = sensor->batch(connection.get(), handle, 0, samplingPeriodNs, maxBatchReportLatencyNs); - // Call flush() before calling activate() on the sensor. Wait for a first flush complete - // event before sending events on this connection. Ignore one-shot sensors which don't - // support flush(). Also if this sensor isn't already active, don't call flush(). - if (err == NO_ERROR && sensor->getSensor().getReportingMode() != AREPORTING_MODE_ONE_SHOT && + // Call flush() before calling activate() on the sensor. Wait for a first + // flush complete event before sending events on this connection. Ignore + // one-shot sensors which don't support flush(). Ignore on-change sensors + // to maintain the on-change logic (any on-change events except the initial + // one should be trigger by a change in value). Also if this sensor isn't + // already active, don't call flush(). + if (err == NO_ERROR && + sensor->getSensor().getReportingMode() != AREPORTING_MODE_ONE_SHOT && + sensor->getSensor().getReportingMode() != AREPORTING_MODE_ON_CHANGE && rec->getNumConnections() > 1) { connection->setFirstFlushPending(handle, true); status_t err_flush = sensor->flush(connection.get(), handle); |