diff --git a/wifi/hostapd/1.2/IHostapd.hal b/wifi/hostapd/1.2/IHostapd.hal
index b25ea97..5e6d80a 100644
--- a/wifi/hostapd/1.2/IHostapd.hal
+++ b/wifi/hostapd/1.2/IHostapd.hal
@@ -57,6 +57,7 @@
          * used with HE.
          */
         bool enable80211AX;
+
         /**
          * Whether 6GHz band enabled or not on softAp.
          * Note: hw_mode=a is used to specify that 5 GHz band or 6 GHz band is
@@ -96,6 +97,21 @@
     };
 
     /**
+     * Parameters to specify the channel frequency range for ACS.
+     */
+    struct AcsFrequencyRange {
+        /**
+         * Channel Frequency (in MHz) at the start of the range.
+         */
+        uint32_t start;
+
+        /**
+         * Channel Frequency (in MHz) at the end of the range.
+         */
+        uint32_t end;
+    };
+
+    /**
      * Parameters to control the channel selection for the interface.
      */
     struct ChannelParams {
@@ -103,6 +119,15 @@
          * Band to use for the SoftAp operations.
          */
         bitfield<BandMask> bandMask;
+
+        /**
+         * This option can be used to specify the channel frequencies (in MHz) selected by ACS.
+         * If this is an empty list, all channels allowed in selected HW mode
+         * are specified implicitly.
+         * Note: channels may be overridden by firmware.
+         * Note: this option is ignored if ACS is disabled.
+         */
+        vec<AcsFrequencyRange> acsChannelFreqRangesMhz;
     };
 
     /**
@@ -113,9 +138,15 @@
          * Baseline information as defined in HAL 1.1.
          */
         @1.1::IHostapd.IfaceParams V1_1;
-        /** Additional Hw mode params for the interface */
+
+        /**
+         * Additional Hw mode params for the interface
+         */
         HwModeParams hwModeParams;
-        /** Additional Channel params for the interface */
+
+        /**
+         * Additional Channel params for the interface
+         */
         ChannelParams channelParams;
     };
 
@@ -135,7 +166,7 @@
      *         |HostapdStatusCode.FAILURE_IFACE_EXISTS|
      */
     addAccessPoint_1_2(IfaceParams ifaceParams, NetworkParams nwParams)
-        generates(HostapdStatus status);
+        generates (HostapdStatus status);
 
     /**
      * force one of the hotspot clients disconnect..
diff --git a/wifi/hostapd/1.2/vts/functional/hostapd_hidl_test.cpp b/wifi/hostapd/1.2/vts/functional/hostapd_hidl_test.cpp
index 8245f8f..94cbb42 100644
--- a/wifi/hostapd/1.2/vts/functional/hostapd_hidl_test.cpp
+++ b/wifi/hostapd/1.2/vts/functional/hostapd_hidl_test.cpp
@@ -109,28 +109,26 @@
         return iface_params_1_2;
     }
 
-    IHostapd::IfaceParams getIfaceParamsWithAcsAndChannelRange() {
+    IHostapd::IfaceParams getIfaceParamsWithAcsAndFreqRange() {
         IHostapd::IfaceParams iface_params_1_2 = getIfaceParamsWithAcs();
-        ::android::hardware::wifi::hostapd::V1_1::IHostapd::ChannelParams
-            channelParams;
-        ::android::hardware::wifi::hostapd::V1_1::IHostapd::AcsChannelRange
-            acsChannelRange;
-        acsChannelRange.start = 1;
-        acsChannelRange.end = 11;
-        std::vector<
-            ::android::hardware::wifi::hostapd::V1_1::IHostapd::AcsChannelRange>
-            vec_acsChannelRange;
-        vec_acsChannelRange.push_back(acsChannelRange);
-        channelParams.acsChannelRanges = vec_acsChannelRange;
-        iface_params_1_2.V1_1.channelParams = channelParams;
+        ::android::hardware::wifi::hostapd::V1_2::IHostapd::AcsFrequencyRange
+            acsFrequencyRange;
+        acsFrequencyRange.start = 2412;
+        acsFrequencyRange.end = 2462;
+        std::vector<::android::hardware::wifi::hostapd::V1_2::IHostapd::
+                        AcsFrequencyRange>
+            vec_acsFrequencyRange;
+        vec_acsFrequencyRange.push_back(acsFrequencyRange);
+        iface_params_1_2.channelParams.acsChannelFreqRangesMhz =
+            vec_acsFrequencyRange;
         return iface_params_1_2;
     }
 
-    IHostapd::IfaceParams getIfaceParamsWithAcsAndInvalidChannelRange() {
+    IHostapd::IfaceParams getIfaceParamsWithAcsAndInvalidFreqRange() {
         IHostapd::IfaceParams iface_params_1_2 =
-            getIfaceParamsWithAcsAndChannelRange();
-        iface_params_1_2.V1_1.channelParams.acsChannelRanges[0].start = 222;
-        iface_params_1_2.V1_1.channelParams.acsChannelRanges[0].end = 999;
+            getIfaceParamsWithAcsAndFreqRange();
+        iface_params_1_2.channelParams.acsChannelFreqRangesMhz[0].start = 222;
+        iface_params_1_2.channelParams.acsChannelFreqRangesMhz[0].end = 999;
         return iface_params_1_2;
     }
 
@@ -186,13 +184,13 @@
 }
 
 /**
- * Adds an access point with PSK network config, ACS enabled & channel Range.
+ * Adds an access point with PSK network config, ACS enabled & frequency Range.
  * Access point creation should pass.
  */
-TEST_P(HostapdHidlTest, AddPskAccessPointWithAcsAndChannelRange) {
+TEST_P(HostapdHidlTest, AddPskAccessPointWithAcsAndFreqRange) {
     auto status =
         HIDL_INVOKE(hostapd_, addAccessPoint_1_2,
-                    getIfaceParamsWithAcsAndChannelRange(), getPskNwParams());
+                    getIfaceParamsWithAcsAndFreqRange(), getPskNwParams());
     // TODO: b/140172237, fix this in R
     // EXPECT_EQ(HostapdStatusCode::SUCCESS, status.code);
 }
@@ -201,9 +199,9 @@
  * Adds an access point with invalid channel range.
  * Access point creation should fail.
  */
-TEST_P(HostapdHidlTest, AddPskAccessPointWithAcsAndInvalidChannelRange) {
+TEST_P(HostapdHidlTest, AddPskAccessPointWithAcsAndInvalidFreqRange) {
     auto status = HIDL_INVOKE(hostapd_, addAccessPoint_1_2,
-                              getIfaceParamsWithAcsAndInvalidChannelRange(),
+                              getIfaceParamsWithAcsAndInvalidFreqRange(),
                               getPskNwParams());
     // TODO: b/140172237, fix this in R
     // EXPECT_NE(HostapdStatusCode::SUCCESS, status.code);
@@ -245,14 +243,15 @@
  * Access point creation & removal should pass.
  */
 TEST_P(HostapdHidlTest, RemoveAccessPointWithAcs) {
-    auto status = HIDL_INVOKE(hostapd_, addAccessPoint_1_2,
-                              getIfaceParamsWithAcs(), getPskNwParams());
+    auto status_1_2 = HIDL_INVOKE(hostapd_, addAccessPoint_1_2,
+                                  getIfaceParamsWithAcs(), getPskNwParams());
     // TODO: b/140172237, fix this in R
     /*
-    EXPECT_EQ(HostapdStatusCode::SUCCESS, status.code);
-    status =
+    EXPECT_EQ(HostapdStatusCode::SUCCESS, status_1_2.code);
+    auto status =
         HIDL_INVOKE(hostapd_, removeAccessPoint, getPrimaryWlanIfaceName());
-    EXPECT_EQ(HostapdStatusCode::SUCCESS, status.code);
+    EXPECT_EQ(android::hardware::wifi::hostapd::V1_0::HostapdStatusCode::SUCCESS,
+    status.code);
     */
 }