diff --git a/configs/sdm845/mixer_paths_tavil.xml b/configs/sdm845/mixer_paths_tavil.xml
index 8a6360b..2e31741 100644
--- a/configs/sdm845/mixer_paths_tavil.xml
+++ b/configs/sdm845/mixer_paths_tavil.xml
@@ -1841,6 +1841,10 @@
         <path name="speaker-mono-2" />
     </path>
 
+    <path name="speaker-hdk">
+        <path name="speaker-mono" />
+    </path>
+
     <path name="speaker-fluid">
         <path name="speaker-mono" />
     </path>
@@ -2063,6 +2067,14 @@
         <path name="handset-qrd" />
     </path>
 
+    <path name="voice-handset-hdk">
+        <path name="handset-qrd" />
+    </path>
+
+    <path name="voice-handset-tmus-hdk">
+        <path name="handset-qrd" />
+    </path>
+
     <path name="voice-speaker">
         <path name="speaker-mono" />
     </path>
@@ -2071,6 +2083,10 @@
         <path name="speaker-mono-2" />
     </path>
 
+    <path name="voice-speaker-hdk">
+        <path name="speaker-mono" />
+    </path>
+
     <path name="voice-speaker-2">
         <path name="speaker-mono-2" />
     </path>
@@ -2412,6 +2428,11 @@
         <path name="handset-qrd" />
     </path>
 
+    <path name="voice-tty-hco-handset-hdk">
+        <ctl name="TTY Mode" value="HCO" />
+        <path name="handset-qrd" />
+    </path>
+
     <path name="voice-tty-full-headset-mic">
         <path name="amic2" />
         <ctl name="ADC2 Volume" value="0" />
diff --git a/hal/msm8974/hw_info.c b/hal/msm8974/hw_info.c
index 46dca39..e3b86ac 100755
--- a/hal/msm8974/hw_info.c
+++ b/hal/msm8974/hw_info.c
@@ -383,6 +383,15 @@
         hw_info->num_snd_devices = ARRAY_SIZE(tavil_qrd_variant_devices);
         hw_info->is_stereo_spkr = false;
         strlcpy(hw_info->dev_extn, "-qrd", sizeof(hw_info->dev_extn));
+    } else if (!strcmp(snd_card_name, "sdm845-tavil-hdk-snd-card")) {
+        strlcpy(hw_info->type, " hdk", sizeof(hw_info->type));
+        strlcpy(hw_info->name, "sdm845", sizeof(hw_info->name));
+        hw_info->snd_devices = (snd_device_t *)tavil_qrd_variant_devices;
+        hw_info->num_snd_devices = ARRAY_SIZE(tavil_qrd_variant_devices);
+        hw_info->is_stereo_spkr = false;
+        strlcpy(hw_info->dev_extn, "-hdk", sizeof(hw_info->dev_extn));
+    } else if (!strcmp(snd_card_name, "sdm845-qvr-tavil-snd-card")) {
+        hw_info->is_stereo_spkr = false;
     } else {
         ALOGW("%s: Not a sdm845 device", __func__);
     }