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Commit 52afeb68 authored by Isaac Chiou's avatar Isaac Chiou
Browse files

Add HAL APIs for TX power limits 

To lower the instantaneous battery current draw of WiFi, we provide
a way to allow PowerManager to enable/disable Tx power limits.
In the legacy HAL, we call the API in Broadcom HAL to
enable/disable WiFi TX power limits.

Bug: 215193418
Test: New APIs work fine
Change-Id: I1fbe71c3380514e2eba96adc5902d2028a55e006
parent 712f48c2

wifi/1.6/default/wifi_legacy_hal.cpp

+4 −0
Original line number Diff line number Diff line
@@ -1585,6 +1585,10 @@ wifi_error WifiLegacyHal::chreRegisterHandler(const std::string& iface_name, 
    return status;

}



wifi_error WifiLegacyHal::enableWifiTxPowerLimits(const std::string& iface_name, bool enable) {

    return global_func_table_.wifi_enable_tx_power_limits(getIfaceHandle(iface_name), enable);

}



void WifiLegacyHal::invalidate() {

    global_handle_ = nullptr;

    iface_name_to_handle_.clear();

wifi/1.6/default/wifi_legacy_hal.h

+2 −0
Original line number Diff line number Diff line
@@ -683,6 +683,8 @@ class WifiLegacyHal { 
    wifi_error chreRegisterHandler(const std::string& iface_name,

                                   const ChreCallbackHandlers& handler);



    wifi_error enableWifiTxPowerLimits(const std::string& iface_name, bool enable);



  private:

    // Retrieve interface handles for all the available interfaces.

    wifi_error retrieveIfaceHandles();

wifi/1.6/default/wifi_legacy_hal_stubs.cpp

+1 −0
Original line number Diff line number Diff line
@@ -166,6 +166,7 @@ bool initHalFuncTableWithStubs(wifi_hal_fn* hal_fn) { 
    populateStubFor(&hal_fn->wifi_nan_rtt_chre_enable_request);

    populateStubFor(&hal_fn->wifi_nan_rtt_chre_disable_request);

    populateStubFor(&hal_fn->wifi_chre_register_handler);

    populateStubFor(&hal_fn->wifi_enable_tx_power_limits);

    return true;

}

}  // namespace legacy_hal