diff --git a/wifi/1.1/IWifiChip.hal b/wifi/1.1/IWifiChip.hal
index 50cd02d..1af1f71 100644
--- a/wifi/1.1/IWifiChip.hal
+++ b/wifi/1.1/IWifiChip.hal
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016 The Android Open Source Project
+ * Copyright 2017 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -44,24 +44,40 @@
   };
 
   /**
-   * API to set TX power limit.
-   * This is used for meeting SAR requirements while making VOIP calls for
-   * example.
-   *
-   * @param powerInDbm Power level in dBm.
-   * @return status WifiStatus of the operation.
-   *         Possible status codes:
-   *         |WifiStatusCode.SUCCESS|,
-   *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|,
-   *         |WifiStatusCode.ERROR_NOT_SUPPORTED|,
-   *         |WifiStatusCode.NOT_AVAILABLE|,
-   *         |WifiStatusCode.UNKNOWN|
+   * List of preset wifi radio TX power levels for different scenarios.
+   * The actual power values (typically varies based on the channel,
+   * 802.11 connection type, number of MIMO streams, etc) for each scenario
+   * is defined by the OEM as a BDF file since it varies for each wifi chip
+   * vendor and device.
    */
-  setTxPowerLimit(int32_t powerInDbm) generates (WifiStatus status);
+  enum TxPowerScenario : uint32_t {
+    VOICE_CALL = 0,
+  };
 
   /**
-   * API to reset TX power limit.
-   * This is used to set the power back to default values.
+   * API to select one of the preset TX power scenarios.
+   *
+   * The framework must invoke this method with the appropriate scenario to let
+   * the wifi chip change it's transmitting power levels.
+   * OEM's should define various power profiles for each of the scenarios
+   * above (defined in |TxPowerScenario|).
+   *
+   * @param scenario One of the preselected scenarios defined in
+   *        |TxPowerScenario|.
+   * @return status WifiStatus of the operation.
+   *         Possible status codes:
+   *         |WifiStatusCode.SUCCESS|,
+   *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|,
+   *         |WifiStatusCode.ERROR_NOT_SUPPORTED|,
+   *         |WifiStatusCode.NOT_AVAILABLE|,
+   *         |WifiStatusCode.UNKNOWN|
+   */
+  selectTxPowerScenario(TxPowerScenario scenario) generates (WifiStatus status);
+
+  /**
+   * API to reset TX power levels.
+   * This is used to indicate the end of the previously selected TX power
+   * scenario and let the wifi chip fall back to the default power values.
    *
    * @return status WifiStatus of the operation.
    *         Possible status codes:
@@ -71,5 +87,5 @@
    *         |WifiStatusCode.NOT_AVAILABLE|,
    *         |WifiStatusCode.UNKNOWN|
    */
-  resetTxPowerLimit() generates (WifiStatus status);
+  resetTxPowerScenario() generates (WifiStatus status);
 };
diff --git a/wifi/1.1/default/hidl_struct_util.cpp b/wifi/1.1/default/hidl_struct_util.cpp
index 6b93b9e..c53cdc5 100644
--- a/wifi/1.1/default/hidl_struct_util.cpp
+++ b/wifi/1.1/default/hidl_struct_util.cpp
@@ -17,9 +17,6 @@
 #include <android-base/logging.h>
 #include <utils/SystemClock.h>
 
-#include <android/hardware/wifi/1.0/IWifiChip.h>
-#include <android/hardware/wifi/1.1/IWifiChip.h>
-
 #include "hidl_struct_util.h"
 
 namespace android {
@@ -260,6 +257,15 @@
   return true;
 }
 
+legacy_hal::wifi_power_scenario convertHidlTxPowerScenarioToLegacy(
+    V1_1::IWifiChip::TxPowerScenario hidl_scenario) {
+  switch (hidl_scenario) {
+    case V1_1::IWifiChip::TxPowerScenario::VOICE_CALL:
+      return legacy_hal::WIFI_POWER_SCENARIO_VOICE_CALL;
+  };
+  CHECK(false);
+}
+
 bool convertLegacyFeaturesToHidlStaCapabilities(
     uint32_t legacy_feature_set,
     uint32_t legacy_logger_feature_set,
diff --git a/wifi/1.1/default/hidl_struct_util.h b/wifi/1.1/default/hidl_struct_util.h
index 7a840f9..747fd2f 100644
--- a/wifi/1.1/default/hidl_struct_util.h
+++ b/wifi/1.1/default/hidl_struct_util.h
@@ -20,6 +20,8 @@
 #include <vector>
 
 #include <android/hardware/wifi/1.0/types.h>
+#include <android/hardware/wifi/1.0/IWifiChip.h>
+#include <android/hardware/wifi/1.1/IWifiChip.h>
 
 #include "wifi_legacy_hal.h"
 
@@ -51,6 +53,8 @@
 bool convertLegacyWakeReasonStatsToHidl(
     const legacy_hal::WakeReasonStats& legacy_stats,
     WifiDebugHostWakeReasonStats* hidl_stats);
+legacy_hal::wifi_power_scenario convertHidlTxPowerScenarioToLegacy(
+    V1_1::IWifiChip::TxPowerScenario hidl_scenario);
 
 // STA iface conversion methods.
 bool convertLegacyFeaturesToHidlStaCapabilities(
diff --git a/wifi/1.1/default/wifi_chip.cpp b/wifi/1.1/default/wifi_chip.cpp
index 2beac26..2f40234 100644
--- a/wifi/1.1/default/wifi_chip.cpp
+++ b/wifi/1.1/default/wifi_chip.cpp
@@ -343,20 +343,20 @@
                          enable);
 }
 
-Return<void> WifiChip::setTxPowerLimit(
-    int32_t powerInDbm, setTxPowerLimit_cb hidl_status_cb) {
+Return<void> WifiChip::selectTxPowerScenario(
+    TxPowerScenario scenario, selectTxPowerScenario_cb hidl_status_cb) {
   return validateAndCall(this,
                          WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
-                         &WifiChip::setTxPowerLimitInternal,
+                         &WifiChip::selectTxPowerScenarioInternal,
                          hidl_status_cb,
-                         powerInDbm);
+                         scenario);
 }
 
-Return<void> WifiChip::resetTxPowerLimit(
-    resetTxPowerLimit_cb hidl_status_cb) {
+Return<void> WifiChip::resetTxPowerScenario(
+    resetTxPowerScenario_cb hidl_status_cb) {
   return validateAndCall(this,
                          WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
-                         &WifiChip::resetTxPowerLimitInternal,
+                         &WifiChip::resetTxPowerScenarioInternal,
                          hidl_status_cb);
 }
 
@@ -824,13 +824,14 @@
   return createWifiStatusFromLegacyError(legacy_status);
 }
 
-WifiStatus WifiChip::setTxPowerLimitInternal(int32_t powerInDbm) {
-  auto legacy_status = legacy_hal_.lock()->setTxPowerLimit(powerInDbm);
+WifiStatus WifiChip::selectTxPowerScenarioInternal(TxPowerScenario scenario) {
+  auto legacy_status = legacy_hal_.lock()->selectTxPowerScenario(
+      hidl_struct_util::convertHidlTxPowerScenarioToLegacy(scenario));
   return createWifiStatusFromLegacyError(legacy_status);
 }
 
-WifiStatus WifiChip::resetTxPowerLimitInternal() {
-  auto legacy_status = legacy_hal_.lock()->resetTxPowerLimit();
+WifiStatus WifiChip::resetTxPowerScenarioInternal() {
+  auto legacy_status = legacy_hal_.lock()->resetTxPowerScenario();
   return createWifiStatusFromLegacyError(legacy_status);
 }
 
diff --git a/wifi/1.1/default/wifi_chip.h b/wifi/1.1/default/wifi_chip.h
index b7dde50..e88100b 100644
--- a/wifi/1.1/default/wifi_chip.h
+++ b/wifi/1.1/default/wifi_chip.h
@@ -126,9 +126,11 @@
       getDebugHostWakeReasonStats_cb hidl_status_cb) override;
   Return<void> enableDebugErrorAlerts(
       bool enable, enableDebugErrorAlerts_cb hidl_status_cb) override;
-  Return<void> setTxPowerLimit(
-      int32_t powerInDbm, setTxPowerLimit_cb hidl_status_cb) override;
-  Return<void> resetTxPowerLimit(resetTxPowerLimit_cb hidl_status_cb) override;
+  Return<void> selectTxPowerScenario(
+      TxPowerScenario scenario,
+      selectTxPowerScenario_cb hidl_status_cb) override;
+  Return<void> resetTxPowerScenario(
+      resetTxPowerScenario_cb hidl_status_cb) override;
 
  private:
   void invalidateAndRemoveAllIfaces();
@@ -180,8 +182,8 @@
   std::pair<WifiStatus, WifiDebugHostWakeReasonStats>
   getDebugHostWakeReasonStatsInternal();
   WifiStatus enableDebugErrorAlertsInternal(bool enable);
-  WifiStatus setTxPowerLimitInternal(int32_t powerInDbm);
-  WifiStatus resetTxPowerLimitInternal();
+  WifiStatus selectTxPowerScenarioInternal(TxPowerScenario scenario);
+  WifiStatus resetTxPowerScenarioInternal();
 
   WifiStatus handleChipConfiguration(ChipModeId mode_id);
   WifiStatus registerDebugRingBufferCallback();
diff --git a/wifi/1.1/default/wifi_legacy_hal.cpp b/wifi/1.1/default/wifi_legacy_hal.cpp
index 052aafb..7d683d3 100644
--- a/wifi/1.1/default/wifi_legacy_hal.cpp
+++ b/wifi/1.1/default/wifi_legacy_hal.cpp
@@ -752,13 +752,13 @@
                                                       oui_internal.data());
 }
 
-wifi_error WifiLegacyHal::setTxPowerLimit(int32_t tx_level_dbm) {
-  return global_func_table_.wifi_set_tx_power_limit(wlan_interface_handle_,
-                                                    tx_level_dbm);
+wifi_error WifiLegacyHal::selectTxPowerScenario(wifi_power_scenario scenario) {
+  return global_func_table_.wifi_select_tx_power_scenario(
+      wlan_interface_handle_, scenario);
 }
 
-wifi_error WifiLegacyHal::resetTxPowerLimit() {
-  return global_func_table_.wifi_reset_tx_power_limit(wlan_interface_handle_);
+wifi_error WifiLegacyHal::resetTxPowerScenario() {
+  return global_func_table_.wifi_reset_tx_power_scenario(wlan_interface_handle_);
 }
 
 std::pair<wifi_error, uint32_t> WifiLegacyHal::getLoggerSupportedFeatureSet() {
diff --git a/wifi/1.1/default/wifi_legacy_hal.h b/wifi/1.1/default/wifi_legacy_hal.h
index 8d9144d..caa1bd5 100644
--- a/wifi/1.1/default/wifi_legacy_hal.h
+++ b/wifi/1.1/default/wifi_legacy_hal.h
@@ -205,8 +205,8 @@
       uint32_t period_in_ms);
   wifi_error stopSendingOffloadedPacket(uint32_t cmd_id);
   wifi_error setScanningMacOui(const std::array<uint8_t, 3>& oui);
-  wifi_error setTxPowerLimit(int32_t tx_level_dbm);
-  wifi_error resetTxPowerLimit();
+  wifi_error selectTxPowerScenario(wifi_power_scenario scenario);
+  wifi_error resetTxPowerScenario();
   // Logger/debug functions.
   std::pair<wifi_error, uint32_t> getLoggerSupportedFeatureSet();
   wifi_error startPktFateMonitoring();
diff --git a/wifi/1.1/default/wifi_legacy_hal_stubs.cpp b/wifi/1.1/default/wifi_legacy_hal_stubs.cpp
index 24ed548..c02e3ba 100644
--- a/wifi/1.1/default/wifi_legacy_hal_stubs.cpp
+++ b/wifi/1.1/default/wifi_legacy_hal_stubs.cpp
@@ -132,8 +132,8 @@
   populateStubFor(&hal_fn->wifi_get_roaming_capabilities);
   populateStubFor(&hal_fn->wifi_enable_firmware_roaming);
   populateStubFor(&hal_fn->wifi_configure_roaming);
-  populateStubFor(&hal_fn->wifi_set_tx_power_limit);
-  populateStubFor(&hal_fn->wifi_reset_tx_power_limit);
+  populateStubFor(&hal_fn->wifi_select_tx_power_scenario);
+  populateStubFor(&hal_fn->wifi_reset_tx_power_scenario);
   return true;
 }
 }  // namespace legacy_hal
diff --git a/wifi/1.1/vts/functional/wifi_chip_hidl_test.cpp b/wifi/1.1/vts/functional/wifi_chip_hidl_test.cpp
index 839b6c4..d3a983c 100644
--- a/wifi/1.1/vts/functional/wifi_chip_hidl_test.cpp
+++ b/wifi/1.1/vts/functional/wifi_chip_hidl_test.cpp
@@ -37,7 +37,8 @@
 using ::android::hardware::wifi::V1_0::IWifiStaIface;
 
 namespace {
-constexpr int32_t kFakePowerInDbm = -56;
+constexpr IWifiChip::TxPowerScenario kFakePowerScenario =
+    IWifiChip::TxPowerScenario::VOICE_CALL;
 }; //namespace
 
 /**
@@ -66,12 +67,12 @@
 };
 
 /*
- * SetTxPowerLimit
+ * SelectTxPowerScenario
  */
-TEST_F(WifiChipHidlTest, SetTxPowerLimit) {
+TEST_F(WifiChipHidlTest, SelectTxPowerScenario) {
     uint32_t caps = configureChipForStaIfaceAndGetCapabilities();
     const auto& status =
-        HIDL_INVOKE(wifi_chip_, setTxPowerLimit, kFakePowerInDbm);
+        HIDL_INVOKE(wifi_chip_, selectTxPowerScenario, kFakePowerScenario);
     if (caps & IWifiChip::ChipCapabilityMask::SET_TX_POWER_LIMIT) {
         EXPECT_EQ(WifiStatusCode::SUCCESS, status.code);
     } else {
@@ -80,12 +81,12 @@
 }
 
 /*
- * SetTxPowerLimit
+ * ResetTxPowerScenario
  */
-TEST_F(WifiChipHidlTest, ResetTxPowerLimit) {
+TEST_F(WifiChipHidlTest, ResetTxPowerScenario) {
     uint32_t caps = configureChipForStaIfaceAndGetCapabilities();
     const auto& status =
-        HIDL_INVOKE(wifi_chip_, resetTxPowerLimit);
+        HIDL_INVOKE(wifi_chip_, resetTxPowerScenario);
     if (caps & IWifiChip::ChipCapabilityMask::SET_TX_POWER_LIMIT) {
         EXPECT_EQ(WifiStatusCode::SUCCESS, status.code);
     } else {