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Commit 28df7d49 authored by Alice Kuo's avatar Alice Kuo Committed by Gerrit Code Review
Browse files

Merge "Use 1M PHY for the ACK packet from buds to phone direction." into main

parents c4d10a09 9b5f4fca

flags/leaudio.aconfig

+7 −0
Original line number Diff line number Diff line
@@ -48,3 +48,10 @@ flag { 
    description: "Support Dynamic Spatial Audio for LE Audio"

    bug: "309665975"

}



flag {

    name: "asymmetric_phy_for_unidirectional_cis"

    namespace: "bluetooth"

    description: "Apply asymetric PHY setting for unidirectional CIS"

    bug: "314176433"

}

system/bta/le_audio/state_machine.cc

+9 −0
Original line number Diff line number Diff line
@@ -1371,6 +1371,15 @@ class LeAudioGroupStateMachineImpl : public LeAudioGroupStateMachine { 
      return false;

    }



    // Use 1M Phy for the ACK packet from remote device to phone for better

    // sensitivity

    if (IS_FLAG_ENABLED(asymmetric_phy_for_unidirectional_cis) &&

        max_sdu_size_stom == 0 &&

        (phy_stom & bluetooth::hci::kIsoCigPhy1M) != 0) {

      LOG_INFO("Use asymmetric PHY for unidirectional CIS");

      phy_stom = bluetooth::hci::kIsoCigPhy1M;

    }



    uint8_t rtn_mtos = 0;

    uint8_t rtn_stom = 0;