diff --git a/services/radio/HidlUtils.cpp b/services/radio/HidlUtils.cpp
new file mode 100644
index 0000000..bfced7a
--- /dev/null
+++ b/services/radio/HidlUtils.cpp
@@ -0,0 +1,179 @@
+/*
+ * Copyright (C) 2016 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.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#define LOG_TAG "HidlUtils"
+//#define LOG_NDEBUG 0
+
+#include <utils/Log.h>
+#include <utils/misc.h>
+#include <system/radio_metadata.h>
+
+#include "HidlUtils.h"
+
+namespace android {
+
+using android::hardware::broadcastradio::V1_0::MetadataType;
+using android::hardware::broadcastradio::V1_0::Band;
+using android::hardware::broadcastradio::V1_0::Deemphasis;
+using android::hardware::broadcastradio::V1_0::Rds;
+
+//static
+int HidlUtils::convertHalResult(Result result)
+{
+    switch (result) {
+        case Result::OK:
+            return 0;
+        case Result::INVALID_ARGUMENTS:
+            return -EINVAL;
+        case Result::INVALID_STATE:
+            return -ENOSYS;
+        case Result::TIMEOUT:
+            return -ETIMEDOUT;
+        case Result::NOT_INITIALIZED:
+        default:
+            return -ENODEV;
+    }
+}
+
+
+//static
+void HidlUtils::convertBandConfigToHal(BandConfig *halConfig,
+                                       const radio_hal_band_config_t *config)
+{
+    halConfig->type = static_cast<Band>(config->type);
+    halConfig->antennaConnected = config->antenna_connected;
+    halConfig->lowerLimit = config->lower_limit;
+    halConfig->upperLimit = config->upper_limit;
+    halConfig->spacings.setToExternal(const_cast<unsigned int *>(&config->spacings[0]),
+                                       config->num_spacings * sizeof(uint32_t));
+    // FIXME: transfer buffer ownership. should have a method for that in hidl_vec
+    halConfig->spacings.resize(config->num_spacings);
+
+    if (halConfig->type == Band::FM) {
+        halConfig->ext.fm.deemphasis = static_cast<Deemphasis>(config->fm.deemphasis);
+        halConfig->ext.fm.stereo = config->fm.stereo;
+        halConfig->ext.fm.rds = static_cast<Rds>(config->fm.rds);
+        halConfig->ext.fm.ta = config->fm.ta;
+        halConfig->ext.fm.af = config->fm.af;
+        halConfig->ext.fm.ea = config->fm.ea;
+    } else {
+        halConfig->ext.am.stereo = config->am.stereo;
+    }
+}
+
+//static
+void HidlUtils::convertPropertiesFromHal(radio_hal_properties_t *properties,
+                                         const Properties *halProperties)
+{
+    properties->class_id = static_cast<radio_class_t>(halProperties->classId);
+    strlcpy(properties->implementor, halProperties->implementor.c_str(), RADIO_STRING_LEN_MAX);
+    strlcpy(properties->product, halProperties->product.c_str(), RADIO_STRING_LEN_MAX);
+    strlcpy(properties->version, halProperties->version.c_str(), RADIO_STRING_LEN_MAX);
+    strlcpy(properties->serial, halProperties->serial.c_str(), RADIO_STRING_LEN_MAX);
+    properties->num_tuners = halProperties->numTuners;
+    properties->num_audio_sources = halProperties->numAudioSources;
+    properties->supports_capture = halProperties->supportsCapture;
+    properties->num_bands = halProperties->bands.size();
+
+    for (size_t i = 0; i < halProperties->bands.size(); i++) {
+        convertBandConfigFromHal(&properties->bands[i], &halProperties->bands[i]);
+    }
+}
+
+//static
+void HidlUtils::convertBandConfigFromHal(radio_hal_band_config_t *config,
+                                         const BandConfig *halConfig)
+{
+    config->type = static_cast<radio_band_t>(halConfig->type);
+    config->antenna_connected = halConfig->antennaConnected;
+    config->lower_limit = halConfig->lowerLimit;
+    config->upper_limit = halConfig->upperLimit;
+    config->num_spacings = halConfig->spacings.size();
+    if (config->num_spacings > RADIO_NUM_SPACINGS_MAX) {
+        config->num_spacings = RADIO_NUM_SPACINGS_MAX;
+    }
+    memcpy(config->spacings, halConfig->spacings.data(),
+           sizeof(uint32_t) * config->num_spacings);
+
+    if (halConfig->type == Band::FM) {
+        config->fm.deemphasis = static_cast<radio_deemphasis_t>(halConfig->ext.fm.deemphasis);
+        config->fm.stereo = halConfig->ext.fm.stereo;
+        config->fm.rds = static_cast<radio_rds_t>(halConfig->ext.fm.rds);
+        config->fm.ta = halConfig->ext.fm.ta;
+        config->fm.af = halConfig->ext.fm.af;
+        config->fm.ea = halConfig->ext.fm.ea;
+    } else {
+        config->am.stereo = halConfig->ext.am.stereo;
+    }
+}
+
+
+//static
+void HidlUtils::convertProgramInfoFromHal(radio_program_info_t *info,
+                                          const ProgramInfo *halInfo,
+                                          bool withMetadata)
+{
+    info->channel = halInfo->channel;
+    info->sub_channel = halInfo->subChannel;
+    info->tuned = halInfo->tuned;
+    info->stereo = halInfo->stereo;
+    info->digital = halInfo->digital;
+    info->signal_strength = halInfo->signalStrength;
+    if (withMetadata && halInfo->metadata.size() != 0) {
+        convertMetaDataFromHal(&info->metadata, halInfo->metadata,
+                               halInfo->channel, halInfo->subChannel);
+    }
+}
+
+//static
+void HidlUtils::convertMetaDataFromHal(radio_metadata_t **metadata,
+                                       const hidl_vec<MetaData>& halMetadata,
+                                       uint32_t channel,
+                                       uint32_t subChannel)
+{
+
+    radio_metadata_allocate(metadata, channel, subChannel);
+    for (size_t i = 0; i < halMetadata.size(); i++) {
+        radio_metadata_key_t key = static_cast<radio_metadata_key_t>(halMetadata[i].key);
+        radio_metadata_type_t type = static_cast<radio_metadata_key_t>(halMetadata[i].type);
+        radio_metadata_clock_t clock;
+
+        switch (type) {
+        case RADIO_METADATA_TYPE_INT:
+            radio_metadata_add_int(metadata, key, halMetadata[i].intValue);
+            break;
+        case RADIO_METADATA_TYPE_TEXT:
+            radio_metadata_add_text(metadata, key, halMetadata[i].stringValue.c_str());
+            break;
+        case RADIO_METADATA_TYPE_RAW:
+            radio_metadata_add_raw(metadata, key,
+                                   halMetadata[i].rawValue.data(),
+                                   halMetadata[i].rawValue.size());
+            break;
+        case RADIO_METADATA_TYPE_CLOCK:
+            clock.utc_seconds_since_epoch =
+                    halMetadata[i].clockValue.utcSecondsSinceEpoch;
+            clock.timezone_offset_in_minutes =
+                    halMetadata[i].clockValue.timezoneOffsetInMinutes;
+            radio_metadata_add_clock(metadata, key, &clock);
+            break;
+        default:
+            ALOGW("%s invalid metadata type %u",__FUNCTION__, halMetadata[i].type);
+            break;
+        }
+    }
+}
+
+}  // namespace android