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Commit c6c2a78a authored by Charles Lin's avatar Charles Lin
Browse files

Clear LE cache before starting le scan or the report is skipped 

Test: Enable LE scan
Bug: 146474336
Change-Id: I4cd8217c1fd4860ed8bee49d55147ca00aa837ff
parent 11f37fb4

system/stack/btm/btm_ble_gap.cc

+7 −0
Original line number Diff line number Diff line
@@ -112,6 +112,10 @@ class AdvertisingCache { 
    }

  }



  void ClearAll() {

    items.clear();

  }



 private:

  struct Item {

    uint8_t addr_type;
@@ -447,6 +451,7 @@ tBTM_STATUS BTM_BleObserve(bool start, uint8_t duration, 
    /* scan is not started */

    if (!BTM_BLE_IS_SCAN_ACTIVE(btm_cb.ble_ctr_cb.scan_activity)) {

      /* allow config of scan type */

      cache.ClearAll();

      p_inq->scan_type = (p_inq->scan_type == BTM_BLE_SCAN_MODE_NONE)

                             ? BTM_BLE_SCAN_MODE_ACTI

                             : p_inq->scan_type;
@@ -1297,6 +1302,7 @@ tBTM_STATUS btm_ble_start_inquiry(uint8_t mode, uint8_t duration) { 
  }



  if (!BTM_BLE_IS_SCAN_ACTIVE(p_ble_cb->scan_activity)) {

    cache.ClearAll();

    btm_send_hci_set_scan_params(

        BTM_BLE_SCAN_MODE_ACTI, BTM_BLE_LOW_LATENCY_SCAN_INT,

        BTM_BLE_LOW_LATENCY_SCAN_WIN,
@@ -1986,6 +1992,7 @@ void btm_ble_process_adv_pkt_cont(uint16_t evt_type, uint8_t addr_type, 
      update = false;

    } else {

      /* if yes, skip it */

      cache.Clear(addr_type, bda);

      return; /* assumption: one result per event */

    }

  }