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

3 files changed, 7 insertions, 0 deletions

diff --git a/wifi/1.6/default/wifi_legacy_hal.cpp b/wifi/1.6/default/wifi_legacy_hal.cpp
index bb8cf590d9..2211897cd2 100644
--- a/wifi/1.6/default/wifi_legacy_hal.cpp
+++ b/wifi/1.6/default/wifi_legacy_hal.cpp
@@ -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();
diff --git a/wifi/1.6/default/wifi_legacy_hal.h b/wifi/1.6/default/wifi_legacy_hal.h
index 6f42f70359..2b923b44a7 100644
--- a/wifi/1.6/default/wifi_legacy_hal.h
+++ b/wifi/1.6/default/wifi_legacy_hal.h
@@ -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();
diff --git a/wifi/1.6/default/wifi_legacy_hal_stubs.cpp b/wifi/1.6/default/wifi_legacy_hal_stubs.cpp
index 5ad22f5803..b3bd37389c 100644
--- a/wifi/1.6/default/wifi_legacy_hal_stubs.cpp
+++ b/wifi/1.6/default/wifi_legacy_hal_stubs.cpp
@@ -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