Merge "Add filter function to Demux interface and Add program info to Descrambler"
diff --git a/Android.bp b/Android.bp
index 2895b61..dd84737 100644
--- a/Android.bp
+++ b/Android.bp
@@ -38,8 +38,6 @@
         "libcutils",
         "liblog",
         "libhidlbase",
-        "libhidltransport",
-        "libhwbinder",
         "libutils",
     ],
     cflags: [
diff --git a/atrace/1.0/default/Android.bp b/atrace/1.0/default/Android.bp
index bcaf064..4bbbdb3 100644
--- a/atrace/1.0/default/Android.bp
+++ b/atrace/1.0/default/Android.bp
@@ -29,7 +29,6 @@
         "libbase",
         "libutils",
         "libhidlbase",
-        "libhidltransport",
         "android.hardware.atrace@1.0",
     ],
 }
diff --git a/audio/common/all-versions/default/service/Android.mk b/audio/common/all-versions/default/service/Android.mk
index b57a1ae..236f1fd 100644
--- a/audio/common/all-versions/default/service/Android.mk
+++ b/audio/common/all-versions/default/service/Android.mk
@@ -34,11 +34,9 @@
     libcutils \
     libbinder \
     libhidlbase \
-    libhidltransport \
     liblog \
     libutils \
     libhardware \
-    libhwbinder \
     android.hardware.audio@2.0 \
     android.hardware.audio@4.0 \
     android.hardware.audio@5.0 \
diff --git a/audio/core/all-versions/default/Android.bp b/audio/core/all-versions/default/Android.bp
index a1af3c4..000ce18 100644
--- a/audio/core/all-versions/default/Android.bp
+++ b/audio/core/all-versions/default/Android.bp
@@ -24,7 +24,6 @@
         "libfmq",
         "libhardware",
         "libhidlbase",
-        "libhidltransport",
         "liblog",
         "libutils",
         "android.hardware.audio.common-util",
diff --git a/audio/effect/all-versions/default/Android.bp b/audio/effect/all-versions/default/Android.bp
index f23a463..653b30c 100644
--- a/audio/effect/all-versions/default/Android.bp
+++ b/audio/effect/all-versions/default/Android.bp
@@ -28,7 +28,6 @@
         "libfmq",
         "libhidlbase",
         "libhidlmemory",
-        "libhidltransport",
         "liblog",
         "libutils",
         "android.hardware.audio.common-util",
diff --git a/authsecret/1.0/default/Android.bp b/authsecret/1.0/default/Android.bp
index 5c3234f..b6ea3c4 100644
--- a/authsecret/1.0/default/Android.bp
+++ b/authsecret/1.0/default/Android.bp
@@ -13,7 +13,6 @@
     ],
     shared_libs: [
         "libhidlbase",
-        "libhidltransport",
         "liblog",
         "libutils",
         "android.hardware.authsecret@1.0",
diff --git a/automotive/audiocontrol/1.0/default/Android.bp b/automotive/audiocontrol/1.0/default/Android.bp
index 0e074dd..314830b 100644
--- a/automotive/audiocontrol/1.0/default/Android.bp
+++ b/automotive/audiocontrol/1.0/default/Android.bp
@@ -26,7 +26,6 @@
     shared_libs: [
         "android.hardware.automotive.audiocontrol@1.0",
         "libhidlbase",
-        "libhidltransport",
         "liblog",
         "libutils",
     ],
diff --git a/automotive/evs/1.0/default/Android.bp b/automotive/evs/1.0/default/Android.bp
index 7286478..69bb721 100644
--- a/automotive/evs/1.0/default/Android.bp
+++ b/automotive/evs/1.0/default/Android.bp
@@ -18,7 +18,6 @@
         "libcutils",
         "libhardware",
         "libhidlbase",
-        "libhidltransport",
         "liblog",
         "libui",
         "libutils",
diff --git a/automotive/vehicle/2.0/default/Android.bp b/automotive/vehicle/2.0/default/Android.bp
index a11d452..3fd0539 100644
--- a/automotive/vehicle/2.0/default/Android.bp
+++ b/automotive/vehicle/2.0/default/Android.bp
@@ -16,7 +16,6 @@
     name: "vhal_v2_0_defaults",
     shared_libs: [
         "libhidlbase",
-        "libhidltransport",
         "liblog",
         "libutils",
         "android.hardware.automotive.vehicle@2.0",
diff --git a/biometrics/fingerprint/2.1/default/Android.bp b/biometrics/fingerprint/2.1/default/Android.bp
index b12ce61..497fa3f 100644
--- a/biometrics/fingerprint/2.1/default/Android.bp
+++ b/biometrics/fingerprint/2.1/default/Android.bp
@@ -13,7 +13,6 @@
         "libcutils",
         "liblog",
         "libhidlbase",
-        "libhidltransport",
         "libhardware",
         "libutils",
         "android.hardware.biometrics.fingerprint@2.1",
diff --git a/bluetooth/1.0/default/Android.bp b/bluetooth/1.0/default/Android.bp
index f4b1e7b..f66c25e 100644
--- a/bluetooth/1.0/default/Android.bp
+++ b/bluetooth/1.0/default/Android.bp
@@ -29,7 +29,6 @@
         "libcutils",
         "libhardware",
         "libhidlbase",
-        "libhidltransport",
         "liblog",
         "libutils",
     ],
@@ -130,7 +129,6 @@
         "libutils",
         "libhardware",
         "libhidlbase",
-        "libhidltransport",
         "android.hardware.bluetooth@1.0",
     ],
 }
diff --git a/bluetooth/a2dp/1.0/default/Android.bp b/bluetooth/a2dp/1.0/default/Android.bp
index c4ef0d7..5264899 100644
--- a/bluetooth/a2dp/1.0/default/Android.bp
+++ b/bluetooth/a2dp/1.0/default/Android.bp
@@ -7,7 +7,6 @@
     ],
     shared_libs: [
         "libhidlbase",
-        "libhidltransport",
         "libutils",
         "android.hardware.bluetooth.a2dp@1.0",
     ],
diff --git a/bluetooth/audio/2.0/default/Android.bp b/bluetooth/audio/2.0/default/Android.bp
index 1dfc05d..0db0028 100644
--- a/bluetooth/audio/2.0/default/Android.bp
+++ b/bluetooth/audio/2.0/default/Android.bp
@@ -19,7 +19,6 @@
         "libcutils",
         "libfmq",
         "libhidlbase",
-        "libhidltransport",
         "liblog",
         "libutils",
     ],
@@ -41,7 +40,6 @@
         "libcutils",
         "libfmq",
         "libhidlbase",
-        "libhidltransport",
         "liblog",
         "libutils",
     ],
diff --git a/boot/1.0/default/Android.bp b/boot/1.0/default/Android.bp
index 397c56d..fdf7a1e 100644
--- a/boot/1.0/default/Android.bp
+++ b/boot/1.0/default/Android.bp
@@ -9,7 +9,6 @@
     shared_libs: [
         "liblog",
         "libhidlbase",
-        "libhidltransport",
         "libhardware",
         "libutils",
         "android.hardware.boot@1.0",
@@ -29,7 +28,6 @@
         "liblog",
         "libhardware",
         "libhidlbase",
-        "libhidltransport",
         "libutils",
         "android.hardware.boot@1.0",
     ],
diff --git a/broadcastradio/1.0/default/Android.bp b/broadcastradio/1.0/default/Android.bp
index f961dfd..2c96e2a 100644
--- a/broadcastradio/1.0/default/Android.bp
+++ b/broadcastradio/1.0/default/Android.bp
@@ -31,7 +31,6 @@
     ],
     shared_libs: [
         "libhidlbase",
-        "libhidltransport",
         "libutils",
         "liblog",
         "libhardware",
diff --git a/broadcastradio/1.1/default/Android.bp b/broadcastradio/1.1/default/Android.bp
index 52fb45b..3659cb9 100644
--- a/broadcastradio/1.1/default/Android.bp
+++ b/broadcastradio/1.1/default/Android.bp
@@ -41,7 +41,6 @@
         "android.hardware.broadcastradio@1.1",
         "libbase",
         "libhidlbase",
-        "libhidltransport",
         "liblog",
         "libutils",
     ],
diff --git a/broadcastradio/2.0/default/Android.bp b/broadcastradio/2.0/default/Android.bp
index 840c4b8..83eedb1 100644
--- a/broadcastradio/2.0/default/Android.bp
+++ b/broadcastradio/2.0/default/Android.bp
@@ -42,7 +42,6 @@
         "android.hardware.broadcastradio@2.0",
         "libbase",
         "libhidlbase",
-        "libhidltransport",
         "libutils",
     ],
 }
diff --git a/camera/device/1.0/default/Android.bp b/camera/device/1.0/default/Android.bp
index aa3b941..97d0b5f 100644
--- a/camera/device/1.0/default/Android.bp
+++ b/camera/device/1.0/default/Android.bp
@@ -8,8 +8,6 @@
     shared_libs: [
         "libhidlbase",
         "libhidlmemory",
-        "libhidltransport",
-        "libhwbinder",
         "libutils",
         "android.hardware.camera.device@1.0",
         "android.hardware.camera.common@1.0",
diff --git a/camera/device/3.2/default/Android.bp b/camera/device/3.2/default/Android.bp
index edb008e..e4d9e85 100644
--- a/camera/device/3.2/default/Android.bp
+++ b/camera/device/3.2/default/Android.bp
@@ -7,7 +7,6 @@
            "convert.cpp"],
     shared_libs: [
         "libhidlbase",
-        "libhidltransport",
         "libutils",
         "libcutils",
         "android.hardware.camera.device@3.2",
diff --git a/camera/device/3.3/default/Android.bp b/camera/device/3.3/default/Android.bp
index 39d379d..d964f3d 100644
--- a/camera/device/3.3/default/Android.bp
+++ b/camera/device/3.3/default/Android.bp
@@ -7,7 +7,6 @@
            "convert.cpp"],
     shared_libs: [
         "libhidlbase",
-        "libhidltransport",
         "libutils",
         "libcutils",
         "camera.device@3.2-impl",
diff --git a/camera/device/3.4/default/Android.bp b/camera/device/3.4/default/Android.bp
index c22b13c..71a9e77 100644
--- a/camera/device/3.4/default/Android.bp
+++ b/camera/device/3.4/default/Android.bp
@@ -38,7 +38,6 @@
     ],
     shared_libs: [
         "libhidlbase",
-        "libhidltransport",
         "libutils",
         "libcutils",
         "camera.device@3.2-impl",
@@ -75,7 +74,6 @@
     ],
     shared_libs: [
         "libhidlbase",
-        "libhidltransport",
         "libutils",
         "libcutils",
         "camera.device@3.2-impl",
diff --git a/camera/device/3.5/default/Android.bp b/camera/device/3.5/default/Android.bp
index 26b3b67..43362fd 100644
--- a/camera/device/3.5/default/Android.bp
+++ b/camera/device/3.5/default/Android.bp
@@ -37,7 +37,6 @@
     ],
     shared_libs: [
         "libhidlbase",
-        "libhidltransport",
         "libutils",
         "libcutils",
         "camera.device@3.2-impl",
@@ -71,7 +70,6 @@
     ],
     shared_libs: [
         "libhidlbase",
-        "libhidltransport",
         "libutils",
         "libcutils",
         "camera.device@3.2-impl",
diff --git a/camera/provider/2.4/default/Android.bp b/camera/provider/2.4/default/Android.bp
index cb78fcb..95e27fd 100644
--- a/camera/provider/2.4/default/Android.bp
+++ b/camera/provider/2.4/default/Android.bp
@@ -24,7 +24,6 @@
         "libcutils",
         "libhardware",
         "libhidlbase",
-        "libhidltransport",
         "liblog",
         "libutils",
     ],
@@ -63,7 +62,6 @@
         "libcutils",
         "libhardware",
         "libhidlbase",
-        "libhidltransport",
         "liblog",
         "libtinyxml2",
         "libutils",
@@ -108,7 +106,6 @@
         "libcutils",
         "libhardware",
         "libhidlbase",
-        "libhidltransport",
         "liblog",
         "libtinyxml2",
         "libutils",
@@ -146,7 +143,6 @@
         "libcamera_metadata",
         "libhardware",
         "libhidlbase",
-        "libhidltransport",
         "liblog",
         "libutils",
     ],
@@ -211,7 +207,6 @@
         "android.hardware.camera.provider@2.4",
         "libbinder",
         "libhidlbase",
-        "libhidltransport",
         "liblog",
         "libtinyxml2",
         "libutils",
diff --git a/camera/provider/2.5/default/Android.bp b/camera/provider/2.5/default/Android.bp
index cd1caeb..4563362 100644
--- a/camera/provider/2.5/default/Android.bp
+++ b/camera/provider/2.5/default/Android.bp
@@ -24,7 +24,6 @@
         "libcutils",
         "libhardware",
         "libhidlbase",
-        "libhidltransport",
         "liblog",
         "libutils",
     ],
@@ -64,7 +63,6 @@
         "libcutils",
         "libhardware",
         "libhidlbase",
-        "libhidltransport",
         "liblog",
         "libtinyxml2",
         "libutils",
@@ -103,7 +101,6 @@
         "libcamera_metadata",
         "libhardware",
         "libhidlbase",
-        "libhidltransport",
         "liblog",
         "libutils",
     ],
@@ -170,7 +167,6 @@
         "android.hardware.graphics.mapper@2.0",
         "libbinder",
         "libhidlbase",
-        "libhidltransport",
         "liblog",
         "libtinyxml2",
         "libutils",
diff --git a/cas/1.0/default/Android.bp b/cas/1.0/default/Android.bp
index aa080f4..f9977ff 100644
--- a/cas/1.0/default/Android.bp
+++ b/cas/1.0/default/Android.bp
@@ -21,7 +21,6 @@
       "libbinder",
       "libhidlbase",
       "libhidlmemory",
-      "libhidltransport",
       "liblog",
       "libstagefright_foundation",
       "libutils",
diff --git a/cas/1.1/default/Android.bp b/cas/1.1/default/Android.bp
index 68a49cf..66a1eb8 100644
--- a/cas/1.1/default/Android.bp
+++ b/cas/1.1/default/Android.bp
@@ -22,7 +22,6 @@
       "libbinder",
       "libhidlbase",
       "libhidlmemory",
-      "libhidltransport",
       "liblog",
       "libutils",
     ],
diff --git a/configstore/1.1/default/Android.mk b/configstore/1.1/default/Android.mk
index 104e15e..e7edc34 100644
--- a/configstore/1.1/default/Android.mk
+++ b/configstore/1.1/default/Android.mk
@@ -17,7 +17,6 @@
 
 LOCAL_SHARED_LIBRARIES := \
     libhidlbase \
-    libhidltransport \
     libbase \
     libhwminijail \
     liblog \
diff --git a/confirmationui/1.0/default/Android.bp b/confirmationui/1.0/default/Android.bp
index 10018e8..ecba064 100644
--- a/confirmationui/1.0/default/Android.bp
+++ b/confirmationui/1.0/default/Android.bp
@@ -36,7 +36,6 @@
         "libcrypto",
         "libbase",
         "libhidlbase",
-        "libhidltransport",
         "liblog",
         "libutils",
     ],
diff --git a/contexthub/1.0/default/Android.bp b/contexthub/1.0/default/Android.bp
index d1db6a6..8384037 100644
--- a/contexthub/1.0/default/Android.bp
+++ b/contexthub/1.0/default/Android.bp
@@ -28,7 +28,6 @@
         "libcutils",
         "libutils",
         "libhidlbase",
-        "libhidltransport",
         "android.hardware.contexthub@1.0",
     ],
 }
@@ -47,7 +46,6 @@
         "libdl",
         "libhardware",
         "libhidlbase",
-        "libhidltransport",
         "liblog",
         "libutils",
         "android.hardware.contexthub@1.0",
diff --git a/drm/1.0/default/Android.mk b/drm/1.0/default/Android.mk
index d66f377..9016dc3 100644
--- a/drm/1.0/default/Android.mk
+++ b/drm/1.0/default/Android.mk
@@ -59,7 +59,6 @@
     libcutils \
     libhidlbase \
     libhidlmemory \
-    libhidltransport \
     liblog \
     libstagefright_foundation \
     libutils \
diff --git a/drm/1.0/default/common_default_service.mk b/drm/1.0/default/common_default_service.mk
index 28db567..1b5a975 100644
--- a/drm/1.0/default/common_default_service.mk
+++ b/drm/1.0/default/common_default_service.mk
@@ -21,7 +21,6 @@
   android.hardware.drm@1.0 \
   android.hidl.memory@1.0 \
   libhidlbase \
-  libhidltransport \
   libhardware \
   liblog \
   libutils \
diff --git a/dumpstate/1.0/default/Android.bp b/dumpstate/1.0/default/Android.bp
index 9f14aaf..6b02715 100644
--- a/dumpstate/1.0/default/Android.bp
+++ b/dumpstate/1.0/default/Android.bp
@@ -18,7 +18,6 @@
         "libcutils",
         "libdumpstateutil",
         "libhidlbase",
-        "libhidltransport",
         "liblog",
         "libutils",
     ],
diff --git a/fastboot/1.0/default/Android.bp b/fastboot/1.0/default/Android.bp
index fde7efa..f7b3635 100644
--- a/fastboot/1.0/default/Android.bp
+++ b/fastboot/1.0/default/Android.bp
@@ -23,7 +23,6 @@
     shared_libs: [
         "libbase",
         "libhidlbase",
-        "libhidltransport",
         "libutils",
         "libcutils",
         "android.hardware.fastboot@1.0",
diff --git a/gatekeeper/1.0/default/Android.bp b/gatekeeper/1.0/default/Android.bp
index ae3b91c..2be4f4d 100644
--- a/gatekeeper/1.0/default/Android.bp
+++ b/gatekeeper/1.0/default/Android.bp
@@ -10,7 +10,6 @@
         "android.hardware.gatekeeper@1.0",
         "libhardware",
         "libhidlbase",
-        "libhidltransport",
         "libutils",
         "liblog",
     ],
@@ -30,7 +29,6 @@
         "android.hardware.gatekeeper@1.0",
         "libhardware",
         "libhidlbase",
-        "libhidltransport",
         "libutils",
         "liblog",
     ],
diff --git a/gatekeeper/1.0/software/Android.bp b/gatekeeper/1.0/software/Android.bp
index 148c989..24c81f6 100644
--- a/gatekeeper/1.0/software/Android.bp
+++ b/gatekeeper/1.0/software/Android.bp
@@ -15,7 +15,6 @@
         "libbase",
         "libhardware",
         "libhidlbase",
-        "libhidltransport",
         "libutils",
         "liblog",
         "libcrypto",
diff --git a/gnss/1.0/default/Android.bp b/gnss/1.0/default/Android.bp
index ca495e6..57d8903 100644
--- a/gnss/1.0/default/Android.bp
+++ b/gnss/1.0/default/Android.bp
@@ -22,7 +22,6 @@
     shared_libs: [
         "liblog",
         "libhidlbase",
-        "libhidltransport",
         "libutils",
         "android.hardware.gnss@1.0",
         "libhardware",
@@ -47,7 +46,6 @@
         "libhardware",
         "libbinder",
         "libhidlbase",
-        "libhidltransport",
         "android.hardware.gnss@1.0",
     ],
 
diff --git a/gnss/1.1/default/Android.bp b/gnss/1.1/default/Android.bp
index 8c3aac4..95bd7f3 100644
--- a/gnss/1.1/default/Android.bp
+++ b/gnss/1.1/default/Android.bp
@@ -12,7 +12,6 @@
     ],
     shared_libs: [
         "libhidlbase",
-        "libhidltransport",
         "libutils",
         "liblog",
         "android.hardware.gnss@1.1",
diff --git a/gnss/2.0/default/Android.bp b/gnss/2.0/default/Android.bp
index 0fcd764..3ba89da 100644
--- a/gnss/2.0/default/Android.bp
+++ b/gnss/2.0/default/Android.bp
@@ -33,7 +33,6 @@
     ],
     shared_libs: [
         "libhidlbase",
-        "libhidltransport",
         "libutils",
         "liblog",
         "android.hardware.gnss@2.0",
diff --git a/graphics/allocator/2.0/default/Android.bp b/graphics/allocator/2.0/default/Android.bp
index 9980ae0..59229b0 100644
--- a/graphics/allocator/2.0/default/Android.bp
+++ b/graphics/allocator/2.0/default/Android.bp
@@ -13,7 +13,6 @@
         "libcutils",
         "libhardware",
         "libhidlbase",
-        "libhidltransport",
         "liblog",
         "libutils",
     ],
@@ -31,7 +30,6 @@
     shared_libs: [
         "android.hardware.graphics.allocator@2.0",
         "libhidlbase",
-        "libhidltransport",
         "liblog",
         "libutils",
     ],
diff --git a/graphics/composer/2.1/default/Android.bp b/graphics/composer/2.1/default/Android.bp
index 63accff..6157719 100644
--- a/graphics/composer/2.1/default/Android.bp
+++ b/graphics/composer/2.1/default/Android.bp
@@ -16,7 +16,6 @@
         "libfmq",
         "libhardware",
         "libhidlbase",
-        "libhidltransport",
         "liblog",
         "libsync",
         "libutils",
@@ -39,7 +38,6 @@
         "android.hardware.graphics.composer@2.1",
         "libbinder",
         "libhidlbase",
-        "libhidltransport",
         "liblog",
         "libsync",
         "libutils",
diff --git a/graphics/composer/2.2/default/Android.mk b/graphics/composer/2.2/default/Android.mk
index 7dedf61..4916557 100644
--- a/graphics/composer/2.2/default/Android.mk
+++ b/graphics/composer/2.2/default/Android.mk
@@ -19,7 +19,6 @@
         libfmq \
         libhardware \
         libhidlbase \
-        libhidltransport \
         libhwc2on1adapter \
         libhwc2onfbadapter \
         liblog \
diff --git a/graphics/composer/2.3/default/Android.bp b/graphics/composer/2.3/default/Android.bp
index 07afd6c..59b9436 100644
--- a/graphics/composer/2.3/default/Android.bp
+++ b/graphics/composer/2.3/default/Android.bp
@@ -36,7 +36,6 @@
         "libfmq",
         "libhardware",
         "libhidlbase",
-        "libhidltransport",
         "libhwc2on1adapter",
         "libhwc2onfbadapter",
         "liblog",
diff --git a/graphics/composer/2.3/vts/functional/Android.bp b/graphics/composer/2.3/vts/functional/Android.bp
index 2766638..e421889 100644
--- a/graphics/composer/2.3/vts/functional/Android.bp
+++ b/graphics/composer/2.3/vts/functional/Android.bp
@@ -23,7 +23,6 @@
     shared_libs: [
         "libfmq",
         "libhidlbase",
-        "libhidltransport",
         "libsync",
     ],
     static_libs: [
diff --git a/graphics/mapper/2.0/default/Android.bp b/graphics/mapper/2.0/default/Android.bp
index 8874799..4f64184 100644
--- a/graphics/mapper/2.0/default/Android.bp
+++ b/graphics/mapper/2.0/default/Android.bp
@@ -28,7 +28,6 @@
         "libcutils",
         "libhardware",
         "libhidlbase",
-        "libhidltransport",
         "liblog",
         "libsync",
         "libutils",
diff --git a/graphics/mapper/2.1/default/Android.bp b/graphics/mapper/2.1/default/Android.bp
index aa204a0..2ea7f94 100644
--- a/graphics/mapper/2.1/default/Android.bp
+++ b/graphics/mapper/2.1/default/Android.bp
@@ -29,7 +29,6 @@
         "libcutils",
         "libhardware",
         "libhidlbase",
-        "libhidltransport",
         "liblog",
         "libsync",
         "libutils",
diff --git a/health/1.0/default/Android.bp b/health/1.0/default/Android.bp
index 8fbb8c3..049e393 100644
--- a/health/1.0/default/Android.bp
+++ b/health/1.0/default/Android.bp
@@ -12,7 +12,6 @@
     shared_libs: [
         "libcutils",
         "libhidlbase",
-        "libhidltransport",
         "libutils",
         "android.hardware.health@1.0",
     ],
diff --git a/health/1.0/default/Android.mk b/health/1.0/default/Android.mk
index 199ab41..bbf37af 100644
--- a/health/1.0/default/Android.mk
+++ b/health/1.0/default/Android.mk
@@ -13,7 +13,6 @@
 LOCAL_SHARED_LIBRARIES := \
     libcutils \
     libhidlbase \
-    libhidltransport \
     liblog \
     libutils \
     android.hardware.health@1.0 \
@@ -39,7 +38,6 @@
     libbase \
     libutils \
     libhidlbase \
-    libhidltransport \
     android.hardware.health@1.0 \
 
 include $(BUILD_EXECUTABLE)
diff --git a/health/2.0/README.md b/health/2.0/README.md
index 58ea9e3..4ecfb9a 100644
--- a/health/2.0/README.md
+++ b/health/2.0/README.md
@@ -44,7 +44,6 @@
             "libbase",
             "libcutils",
             "libhidlbase",
-            "libhidltransport",
             "libutils",
             "android.hardware.health@2.0",
         ],
diff --git a/health/2.0/default/Android.bp b/health/2.0/default/Android.bp
index a85a704..1c455d3 100644
--- a/health/2.0/default/Android.bp
+++ b/health/2.0/default/Android.bp
@@ -10,8 +10,6 @@
     shared_libs: [
         "libbase",
         "libhidlbase",
-        "libhidltransport",
-        "libhwbinder",
         "liblog",
         "libutils",
         "libcutils",
diff --git a/health/storage/1.0/default/Android.bp b/health/storage/1.0/default/Android.bp
index 4723443..3156dfe 100644
--- a/health/storage/1.0/default/Android.bp
+++ b/health/storage/1.0/default/Android.bp
@@ -33,7 +33,6 @@
     shared_libs: [
         "libbase",
         "libhidlbase",
-        "libhidltransport",
         "libutils",
         "android.hardware.health.storage@1.0",
     ],
diff --git a/health/storage/1.0/vts/functional/Android.bp b/health/storage/1.0/vts/functional/Android.bp
index b18e36f..87502f8 100644
--- a/health/storage/1.0/vts/functional/Android.bp
+++ b/health/storage/1.0/vts/functional/Android.bp
@@ -21,7 +21,6 @@
     static_libs: ["android.hardware.health.storage@1.0"],
     shared_libs: [
         "libhidlbase",
-        "libhidltransport",
     ],
     test_suites: ["general-tests"],
 }
diff --git a/input/classifier/1.0/default/Android.bp b/input/classifier/1.0/default/Android.bp
index ceb2aca..3379a76 100644
--- a/input/classifier/1.0/default/Android.bp
+++ b/input/classifier/1.0/default/Android.bp
@@ -11,7 +11,6 @@
     shared_libs: [
         "android.hardware.input.classifier@1.0",
         "libhidlbase",
-        "libhidltransport",
         "liblog",
         "libutils",
     ],
diff --git a/ir/1.0/default/Android.bp b/ir/1.0/default/Android.bp
index 2b15387..80e0f3c 100644
--- a/ir/1.0/default/Android.bp
+++ b/ir/1.0/default/Android.bp
@@ -20,7 +20,6 @@
     srcs: ["ConsumerIr.cpp"],
     shared_libs: [
         "libhidlbase",
-        "libhidltransport",
         "libhardware",
         "liblog",
         "libutils",
@@ -40,7 +39,6 @@
         "liblog",
         "libhardware",
         "libhidlbase",
-        "libhidltransport",
         "libutils",
         "android.hardware.ir@1.0",
     ],
diff --git a/keymaster/3.0/default/Android.mk b/keymaster/3.0/default/Android.mk
index 9e7d04a..208cb66 100644
--- a/keymaster/3.0/default/Android.mk
+++ b/keymaster/3.0/default/Android.mk
@@ -15,7 +15,6 @@
     libpuresoftkeymasterdevice \
     libkeymaster3device \
     libhidlbase \
-    libhidltransport \
     libutils \
     libhardware \
     android.hardware.keymaster@3.0
@@ -38,7 +37,6 @@
     libutils \
     libhardware \
     libhidlbase \
-    libhidltransport \
     android.hardware.keymaster@3.0
 
 include $(BUILD_EXECUTABLE)
diff --git a/keymaster/4.0/default/Android.bp b/keymaster/4.0/default/Android.bp
index 0cede50..f9e3986 100644
--- a/keymaster/4.0/default/Android.bp
+++ b/keymaster/4.0/default/Android.bp
@@ -28,7 +28,6 @@
         "libcutils",
         "libhardware",
         "libhidlbase",
-        "libhidltransport",
         "libkeymaster4",
         "liblog",
         "libutils",
diff --git a/keymaster/4.0/support/Android.bp b/keymaster/4.0/support/Android.bp
index ccd1b56..2f40282 100644
--- a/keymaster/4.0/support/Android.bp
+++ b/keymaster/4.0/support/Android.bp
@@ -39,7 +39,6 @@
         "libcrypto",
         "libhardware",
         "libhidlbase",
-        "libhidltransport",
         "libutils",
     ]
 }
diff --git a/light/2.0/default/Android.bp b/light/2.0/default/Android.bp
index 72cc873..ed48825 100644
--- a/light/2.0/default/Android.bp
+++ b/light/2.0/default/Android.bp
@@ -23,7 +23,6 @@
         "libbase",
         "liblog",
         "libhidlbase",
-        "libhidltransport",
         "libhardware",
         "libutils",
         "android.hardware.light@2.0",
@@ -44,7 +43,6 @@
         "libutils",
         "libhardware",
         "libhidlbase",
-        "libhidltransport",
         "android.hardware.light@2.0",
     ],
 }
diff --git a/light/utils/Android.bp b/light/utils/Android.bp
index ebcbfa2..4c287e4 100644
--- a/light/utils/Android.bp
+++ b/light/utils/Android.bp
@@ -24,7 +24,6 @@
         "android.hardware.light@2.0",
         "libbase",
         "libhidlbase",
-        "libhidltransport",
         "libutils",
     ],
 }
diff --git a/memtrack/1.0/default/Android.bp b/memtrack/1.0/default/Android.bp
index 76d7fc8..8aa33ee 100644
--- a/memtrack/1.0/default/Android.bp
+++ b/memtrack/1.0/default/Android.bp
@@ -23,7 +23,6 @@
         "libbase",
         "liblog",
         "libhidlbase",
-        "libhidltransport",
         "libhardware",
         "libutils",
         "android.hardware.memtrack@1.0",
@@ -46,7 +45,6 @@
         "libutils",
         "libhardware",
         "libhidlbase",
-        "libhidltransport",
         "android.hardware.memtrack@1.0",
     ],
 
diff --git a/nfc/1.0/default/Android.bp b/nfc/1.0/default/Android.bp
index 3b53d16..9827edd 100644
--- a/nfc/1.0/default/Android.bp
+++ b/nfc/1.0/default/Android.bp
@@ -12,7 +12,6 @@
         "libcutils",
         "libutils",
         "libhidlbase",
-        "libhidltransport",
         "android.hardware.nfc@1.0",
     ],
 }
@@ -33,7 +32,6 @@
         "libutils",
         "libhardware",
         "libhidlbase",
-        "libhidltransport",
         "android.hardware.nfc@1.0",
     ],
 
diff --git a/power/1.0/default/Android.bp b/power/1.0/default/Android.bp
index 4f43b95..1d152ee 100644
--- a/power/1.0/default/Android.bp
+++ b/power/1.0/default/Android.bp
@@ -28,7 +28,6 @@
         "liblog",
         "libhardware",
         "libhidlbase",
-        "libhidltransport",
         "libutils",
         "android.hardware.power@1.0",
     ],
@@ -54,7 +53,6 @@
         "libutils",
         "libhardware",
         "libhidlbase",
-        "libhidltransport",
         "android.hardware.power@1.0",
     ],
 
diff --git a/power/stats/1.0/default/Android.bp b/power/stats/1.0/default/Android.bp
index 7a09639..0321da1 100644
--- a/power/stats/1.0/default/Android.bp
+++ b/power/stats/1.0/default/Android.bp
@@ -25,7 +25,6 @@
         "libcutils",
         "libfmq",
         "libhidlbase",
-        "libhidltransport",
         "liblog",
         "libutils",
         "android.hardware.power.stats@1.0",
diff --git a/power/stats/1.0/vts/functional/Android.bp b/power/stats/1.0/vts/functional/Android.bp
index 4f0b325..f564cbe 100644
--- a/power/stats/1.0/vts/functional/Android.bp
+++ b/power/stats/1.0/vts/functional/Android.bp
@@ -31,8 +31,6 @@
         "liblog",
         "libhidlbase",
         "libfmq",
-        "libhidltransport",
-        "libhwbinder",
         "libutils",
     ],
 }
diff --git a/radio/1.2/default/Android.bp b/radio/1.2/default/Android.bp
index f8ff4c7..74fcf11 100644
--- a/radio/1.2/default/Android.bp
+++ b/radio/1.2/default/Android.bp
@@ -9,7 +9,6 @@
     ],
     shared_libs: [
         "libhidlbase",
-        "libhidltransport",
         "liblog",
         "libutils",
         "android.hardware.radio@1.2",
@@ -29,7 +28,6 @@
     ],
     shared_libs: [
         "libhidlbase",
-        "libhidltransport",
         "liblog",
         "libutils",
         "android.hardware.radio@1.2",
diff --git a/radio/config/1.0/default/Android.bp b/radio/config/1.0/default/Android.bp
index f52335e..a0f4214 100644
--- a/radio/config/1.0/default/Android.bp
+++ b/radio/config/1.0/default/Android.bp
@@ -11,7 +11,6 @@
     ],
     shared_libs: [
         "libhidlbase",
-        "libhidltransport",
         "liblog",
         "libutils",
         "android.hardware.radio.config@1.0",
diff --git a/renderscript/1.0/default/Android.bp b/renderscript/1.0/default/Android.bp
index d5d6d8d..4fa85c6 100644
--- a/renderscript/1.0/default/Android.bp
+++ b/renderscript/1.0/default/Android.bp
@@ -14,7 +14,6 @@
         "libdl",
         "libbase",
         "libhidlbase",
-        "libhidltransport",
         "libutils",
         "android.hardware.renderscript@1.0",
     ],
diff --git a/sensors/1.0/default/Android.bp b/sensors/1.0/default/Android.bp
index 2485b05..d5c1b23 100644
--- a/sensors/1.0/default/Android.bp
+++ b/sensors/1.0/default/Android.bp
@@ -11,7 +11,6 @@
         "libbase",
         "libutils",
         "libhidlbase",
-        "libhidltransport",
         "android.hardware.sensors@1.0",
     ],
     static_libs: [
@@ -34,7 +33,6 @@
         "libbase",
         "libutils",
         "libhidlbase",
-        "libhidltransport",
         "android.hardware.sensors@1.0",
     ],
     local_include_dirs: ["include/sensors"],
@@ -57,7 +55,6 @@
         "libbase",
         "libutils",
         "libhidlbase",
-        "libhidltransport",
         "android.hardware.sensors@1.0",
     ],
 }
diff --git a/sensors/2.0/default/Android.bp b/sensors/2.0/default/Android.bp
index 05a34bb..62c9487 100644
--- a/sensors/2.0/default/Android.bp
+++ b/sensors/2.0/default/Android.bp
@@ -30,7 +30,6 @@
         "libcutils",
         "libfmq",
         "libhidlbase",
-        "libhidltransport",
         "liblog",
         "libpower",
         "libutils",
diff --git a/soundtrigger/2.0/default/Android.bp b/soundtrigger/2.0/default/Android.bp
index cc20f91..1f9ae45 100644
--- a/soundtrigger/2.0/default/Android.bp
+++ b/soundtrigger/2.0/default/Android.bp
@@ -28,7 +28,6 @@
 
     shared_libs: [
         "libhidlbase",
-        "libhidltransport",
         "liblog",
         "libutils",
         "libhardware",
diff --git a/soundtrigger/2.1/default/Android.mk b/soundtrigger/2.1/default/Android.mk
index 5851d63..b8d0407 100644
--- a/soundtrigger/2.1/default/Android.mk
+++ b/soundtrigger/2.1/default/Android.mk
@@ -29,7 +29,6 @@
         libhardware \
         libhidlbase \
         libhidlmemory \
-        libhidltransport \
         liblog \
         libutils \
         android.hardware.soundtrigger@2.1 \
diff --git a/soundtrigger/2.2/default/Android.bp b/soundtrigger/2.2/default/Android.bp
index 78bb69f..db37c5b 100644
--- a/soundtrigger/2.2/default/Android.bp
+++ b/soundtrigger/2.2/default/Android.bp
@@ -22,7 +22,6 @@
     ],
     shared_libs: [
         "libhidlbase",
-        "libhidltransport",
         "liblog",
         "libhidlmemory",
         "libutils",
diff --git a/tests/bar/1.0/default/Android.bp b/tests/bar/1.0/default/Android.bp
index 8aa6135..8e3d072 100644
--- a/tests/bar/1.0/default/Android.bp
+++ b/tests/bar/1.0/default/Android.bp
@@ -13,8 +13,6 @@
         "libbase",
         "libcutils",
         "libhidlbase",
-        "libhidltransport",
-        "libhwbinder",
         "liblog",
         "libutils",
     ],
diff --git a/tests/baz/1.0/default/Android.bp b/tests/baz/1.0/default/Android.bp
index 492e0b4..4096d47 100644
--- a/tests/baz/1.0/default/Android.bp
+++ b/tests/baz/1.0/default/Android.bp
@@ -9,8 +9,6 @@
         "libbase",
         "libcutils",
         "libhidlbase",
-        "libhidltransport",
-        "libhwbinder",
         "liblog",
         "libutils",
     ],
diff --git a/tests/extension/light/2.0/default/Android.bp b/tests/extension/light/2.0/default/Android.bp
index dcac97c..d8d8dd5 100644
--- a/tests/extension/light/2.0/default/Android.bp
+++ b/tests/extension/light/2.0/default/Android.bp
@@ -27,7 +27,6 @@
 
     shared_libs: [
         "libhidlbase",
-        "libhidltransport",
         "libutils",
         "android.hardware.light@2.0",
         "android.hardware.tests.extension.light@2.0",
diff --git a/tests/foo/1.0/default/Android.bp b/tests/foo/1.0/default/Android.bp
index d9dfc69..48d6894 100644
--- a/tests/foo/1.0/default/Android.bp
+++ b/tests/foo/1.0/default/Android.bp
@@ -13,8 +13,6 @@
         "libcutils",
         "libfootest",
         "libhidlbase",
-        "libhidltransport",
-        "libhwbinder",
         "liblog",
         "libutils",
     ],
diff --git a/tests/foo/1.0/default/lib/Android.bp b/tests/foo/1.0/default/lib/Android.bp
index 2cc96c5..ba2081e 100644
--- a/tests/foo/1.0/default/lib/Android.bp
+++ b/tests/foo/1.0/default/lib/Android.bp
@@ -8,8 +8,6 @@
     shared_libs: [
         "libcutils",
         "libhidlbase",
-        "libhidltransport",
-        "libhwbinder",
         "liblog",
     ],
     static_libs: ["android.hardware.tests.foo@1.0"],
diff --git a/tests/hash/1.0/default/Android.bp b/tests/hash/1.0/default/Android.bp
index 6e6d6a8..410b759 100644
--- a/tests/hash/1.0/default/Android.bp
+++ b/tests/hash/1.0/default/Android.bp
@@ -8,8 +8,6 @@
     shared_libs: [
         "libcutils",
         "libhidlbase",
-        "libhidltransport",
-        "libhwbinder",
         "liblog",
         "libutils",
     ],
diff --git a/tests/inheritance/1.0/default/Android.bp b/tests/inheritance/1.0/default/Android.bp
index 891355b..4a0c876 100644
--- a/tests/inheritance/1.0/default/Android.bp
+++ b/tests/inheritance/1.0/default/Android.bp
@@ -14,8 +14,6 @@
         "libbase",
         "libcutils",
         "libhidlbase",
-        "libhidltransport",
-        "libhwbinder",
         "liblog",
         "libutils",
     ],
diff --git a/tests/libhwbinder/1.0/default/Android.bp b/tests/libhwbinder/1.0/default/Android.bp
index aad1e31..81022b8 100644
--- a/tests/libhwbinder/1.0/default/Android.bp
+++ b/tests/libhwbinder/1.0/default/Android.bp
@@ -9,8 +9,6 @@
     shared_libs: [
         "libcutils",
         "libhidlbase",
-        "libhidltransport",
-        "libhwbinder",
         "liblog",
         "libutils",
     ],
diff --git a/tests/memory/1.0/default/Android.bp b/tests/memory/1.0/default/Android.bp
index 3f13634..0293953 100644
--- a/tests/memory/1.0/default/Android.bp
+++ b/tests/memory/1.0/default/Android.bp
@@ -22,9 +22,7 @@
     shared_libs: [
         "libcutils",
         "libhidlbase",
-        "libhidltransport",
         "libhidlmemory",
-        "libhwbinder",
         "liblog",
         "libutils",
         "android.hidl.memory@1.0",
diff --git a/tests/msgq/1.0/default/Android.bp b/tests/msgq/1.0/default/Android.bp
index 6c8be6c..e6408aa 100644
--- a/tests/msgq/1.0/default/Android.bp
+++ b/tests/msgq/1.0/default/Android.bp
@@ -26,8 +26,6 @@
         "libcutils",
         "libfmq",
         "libhidlbase",
-        "libhidltransport",
-        "libhwbinder",
         "liblog",
         "libutils",
     ],
@@ -49,7 +47,6 @@
         "libbase",
         "libcutils",
         "libhidlbase",
-        "libhidltransport",
         "liblog",
         "libutils",
         "android.hardware.tests.msgq@1.0"
@@ -68,8 +65,6 @@
         "libcutils",
         "libfmq",
         "libhidlbase",
-        "libhidltransport",
-        "libhwbinder",
         "liblog",
         "libutils",
     ],
diff --git a/tests/multithread/1.0/default/Android.bp b/tests/multithread/1.0/default/Android.bp
index a94ee3e..ff89938 100644
--- a/tests/multithread/1.0/default/Android.bp
+++ b/tests/multithread/1.0/default/Android.bp
@@ -9,8 +9,6 @@
         "libbase",
         "libcutils",
         "libhidlbase",
-        "libhidltransport",
-        "libhwbinder",
         "liblog",
         "libutils",
     ],
diff --git a/tests/safeunion/1.0/default/Android.bp b/tests/safeunion/1.0/default/Android.bp
index fc2443e..759a49c 100644
--- a/tests/safeunion/1.0/default/Android.bp
+++ b/tests/safeunion/1.0/default/Android.bp
@@ -9,8 +9,6 @@
         "libbase",
         "libcutils",
         "libhidlbase",
-        "libhidltransport",
-        "libhwbinder",
         "liblog",
         "libutils",
     ],
diff --git a/tests/safeunion/cpp/1.0/default/Android.bp b/tests/safeunion/cpp/1.0/default/Android.bp
index 210a639..618f295 100644
--- a/tests/safeunion/cpp/1.0/default/Android.bp
+++ b/tests/safeunion/cpp/1.0/default/Android.bp
@@ -8,8 +8,6 @@
         "libbase",
         "libcutils",
         "libhidlbase",
-        "libhidltransport",
-        "libhwbinder",
         "liblog",
         "libutils",
     ],
diff --git a/tests/trie/1.0/default/Android.bp b/tests/trie/1.0/default/Android.bp
index 948a8cb..4ca705c 100644
--- a/tests/trie/1.0/default/Android.bp
+++ b/tests/trie/1.0/default/Android.bp
@@ -9,8 +9,6 @@
         "libbase",
         "libcutils",
         "libhidlbase",
-        "libhidltransport",
-        "libhwbinder",
         "liblog",
         "libutils",
     ],
diff --git a/thermal/1.0/default/Android.bp b/thermal/1.0/default/Android.bp
index 9d81474..194a9f8 100644
--- a/thermal/1.0/default/Android.bp
+++ b/thermal/1.0/default/Android.bp
@@ -27,7 +27,6 @@
         "libcutils",
         "libutils",
         "libhidlbase",
-        "libhidltransport",
         "android.hardware.thermal@1.0",
     ],
 }
@@ -48,7 +47,6 @@
         "libutils",
         "libhardware",
         "libhidlbase",
-        "libhidltransport",
         "android.hardware.thermal@1.0",
     ],
 }
diff --git a/thermal/2.0/default/Android.bp b/thermal/2.0/default/Android.bp
index dab0d33..7b72694 100644
--- a/thermal/2.0/default/Android.bp
+++ b/thermal/2.0/default/Android.bp
@@ -27,7 +27,6 @@
     shared_libs: [
         "libbase",
         "libhidlbase",
-        "libhidltransport",
         "libutils",
         "android.hardware.thermal@2.0",
         "android.hardware.thermal@1.0",
diff --git a/tv/cec/1.0/default/Android.bp b/tv/cec/1.0/default/Android.bp
index 5fe731b..239a527 100644
--- a/tv/cec/1.0/default/Android.bp
+++ b/tv/cec/1.0/default/Android.bp
@@ -7,7 +7,6 @@
 
     shared_libs: [
         "libhidlbase",
-        "libhidltransport",
         "liblog",
         "libbase",
         "libutils",
@@ -34,7 +33,6 @@
         "libhardware_legacy",
         "libhardware",
         "libhidlbase",
-        "libhidltransport",
         "android.hardware.tv.cec@1.0",
     ],
 
@@ -58,7 +56,6 @@
         "libutils",
         "libhardware",
         "libhidlbase",
-        "libhidltransport",
         "android.hardware.tv.cec@1.0",
     ],
 }
diff --git a/tv/cec/1.0/default/HdmiCecMock.cpp b/tv/cec/1.0/default/HdmiCecMock.cpp
index eba8f95..219be86 100644
--- a/tv/cec/1.0/default/HdmiCecMock.cpp
+++ b/tv/cec/1.0/default/HdmiCecMock.cpp
@@ -77,6 +77,7 @@
     if (message.body.size() == 0) {
         return SendMessageResult::NACK;
     }
+    sendMessageToFifo(message);
     return SendMessageResult::SUCCESS;
 }
 
@@ -88,6 +89,11 @@
     if (callback != nullptr) {
         mCallback = callback;
         mCallback->linkToDeath(this, 0 /*cookie*/);
+
+        mInputFile = open(CEC_MSG_IN_FIFO, O_RDWR);
+        mOutputFile = open(CEC_MSG_OUT_FIFO, O_RDWR);
+        pthread_create(&mThreadId, NULL, __threadLoop, this);
+        pthread_setname_np(mThreadId, "hdmi_cec_loop");
     }
     return Void();
 }
@@ -102,17 +108,8 @@
 }
 
 Return<void> HdmiCecMock::getPortInfo(getPortInfo_cb _hidl_cb) {
-    vector<HdmiPortInfo> portInfos;
     // TODO ready port info from device specific config
-    portInfos.resize(mTotalPorts);
-    for (int i = 0; i < mTotalPorts; ++i) {
-        portInfos[i] = {.type = HdmiPortType::INPUT,
-                        .portId = static_cast<uint32_t>(i),
-                        .cecSupported = true,
-                        .arcSupported = (i == 0),
-                        .physicalAddress = static_cast<uint16_t>(i << 12)};
-    }
-    _hidl_cb(portInfos);
+    _hidl_cb(mPortInfo);
     return Void();
 }
 
@@ -140,13 +137,177 @@
     return Void();
 }
 
-Return<bool> HdmiCecMock::isConnected(int32_t portId __unused) {
+Return<bool> HdmiCecMock::isConnected(int32_t portId) {
     // maintain port connection status and update on hotplug event
+    if (portId < mTotalPorts && portId >= 0) {
+        return mPortConnectionStatus[portId];
+    }
     return false;
 }
 
+void* HdmiCecMock::__threadLoop(void* user) {
+    HdmiCecMock* const self = static_cast<HdmiCecMock*>(user);
+    self->threadLoop();
+    return 0;
+}
+
+int HdmiCecMock::readMessageFromFifo(unsigned char* buf, int msgCount) {
+    if (msgCount <= 0 || !buf) {
+        return 0;
+    }
+
+    int ret = -1;
+    /* maybe blocked at driver */
+    ret = read(mInputFile, buf, msgCount);
+    if (ret < 0) {
+        ALOGE("[halimp] read :%s failed, ret:%d\n", CEC_MSG_IN_FIFO, ret);
+        return -1;
+    }
+
+    return ret;
+}
+
+int HdmiCecMock::sendMessageToFifo(const CecMessage& message) {
+    unsigned char msgBuf[CEC_MESSAGE_BODY_MAX_LENGTH];
+    int ret = -1;
+
+    memset(msgBuf, 0, sizeof(msgBuf));
+    msgBuf[0] = ((static_cast<uint8_t>(message.initiator) & 0xf) << 4) |
+                (static_cast<uint8_t>(message.destination) & 0xf);
+
+    size_t length = std::min(static_cast<size_t>(message.body.size()),
+                             static_cast<size_t>(MaxLength::MESSAGE_BODY));
+    for (size_t i = 0; i < length; ++i) {
+        msgBuf[i + 1] = static_cast<unsigned char>(message.body[i]);
+    }
+
+    // open the output pipe for writing outgoing cec message
+    mOutputFile = open(CEC_MSG_OUT_FIFO, O_WRONLY);
+    if (mOutputFile < 0) {
+        ALOGD("[halimp] file open failed for writing");
+        return -1;
+    }
+
+    // write message into the output pipe
+    ret = write(mOutputFile, msgBuf, length + 1);
+    close(mOutputFile);
+    if (ret < 0) {
+        ALOGE("[halimp] write :%s failed, ret:%d\n", CEC_MSG_OUT_FIFO, ret);
+        return -1;
+    }
+    return ret;
+}
+
+void HdmiCecMock::printCecMsgBuf(const char* msg_buf, int len) {
+    char buf[64] = {};
+    int i, size = 0;
+    memset(buf, 0, sizeof(buf));
+    for (i = 0; i < len; i++) {
+        size += sprintf(buf + size, " %02x", msg_buf[i]);
+    }
+    ALOGD("[halimp] %s, msg:%s", __FUNCTION__, buf);
+}
+
+void HdmiCecMock::handleHotplugMessage(unsigned char* msgBuf) {
+    HotplugEvent hotplugEvent{.connected = ((msgBuf[3]) & 0xf) > 0,
+                              .portId = static_cast<uint32_t>(msgBuf[0] & 0xf)};
+
+    if (hotplugEvent.portId >= mPortInfo.size()) {
+        ALOGD("[halimp] ignore hot plug message, id %x does not exist", hotplugEvent.portId);
+        return;
+    }
+
+    ALOGD("[halimp] hot plug port id %x, is connected %x", (msgBuf[0] & 0xf), (msgBuf[3] & 0xf));
+    if (mPortInfo[hotplugEvent.portId].type == HdmiPortType::OUTPUT) {
+        mPhysicalAddress =
+                ((hotplugEvent.connected == 0) ? 0xffff : ((msgBuf[1] << 8) | (msgBuf[2])));
+        mPortInfo[hotplugEvent.portId].physicalAddress = mPhysicalAddress;
+        ALOGD("[halimp] hot plug physical address %x", mPhysicalAddress);
+    }
+
+    // todo update connection status
+
+    if (mCallback != nullptr) {
+        mCallback->onHotplugEvent(hotplugEvent);
+    }
+}
+
+void HdmiCecMock::handleCecMessage(unsigned char* msgBuf, int megSize) {
+    CecMessage message;
+    size_t length = std::min(static_cast<size_t>(megSize - 1),
+                             static_cast<size_t>(MaxLength::MESSAGE_BODY));
+    message.body.resize(length);
+
+    for (size_t i = 0; i < length; ++i) {
+        message.body[i] = static_cast<uint8_t>(msgBuf[i + 1]);
+        ALOGD("[halimp] msg body %x", message.body[i]);
+    }
+
+    message.initiator = static_cast<CecLogicalAddress>((msgBuf[0] >> 4) & 0xf);
+    ALOGD("[halimp] msg init %x", message.initiator);
+    message.destination = static_cast<CecLogicalAddress>((msgBuf[0] >> 0) & 0xf);
+    ALOGD("[halimp] msg dest %x", message.destination);
+
+    // messageValidateAndHandle(&event);
+
+    if (mCallback != nullptr) {
+        mCallback->onCecMessage(message);
+    }
+}
+
+void HdmiCecMock::threadLoop() {
+    ALOGD("[halimp] threadLoop start.");
+    unsigned char msgBuf[CEC_MESSAGE_BODY_MAX_LENGTH];
+    int r = -1;
+
+    // open the input pipe
+    while (mInputFile < 0) {
+        usleep(1000 * 1000);
+        mInputFile = open(CEC_MSG_IN_FIFO, O_RDONLY);
+    }
+    ALOGD("[halimp] file open ok, fd = %d.", mInputFile);
+
+    while (mCecThreadRun) {
+        if (!mOptionSystemCecControl) {
+            usleep(1000 * 1000);
+            continue;
+        }
+
+        memset(msgBuf, 0, sizeof(msgBuf));
+        // try to get a message from dev.
+        // echo -n -e '\x04\x83' >> /dev/cec
+        r = readMessageFromFifo(msgBuf, CEC_MESSAGE_BODY_MAX_LENGTH);
+        if (r <= 1) {
+            // ignore received ping messages
+            continue;
+        }
+
+        printCecMsgBuf((const char*)msgBuf, r);
+
+        if (((msgBuf[0] >> 4) & 0xf) == 0xf) {
+            // the message is a hotplug event
+            handleHotplugMessage(msgBuf);
+            continue;
+        }
+
+        handleCecMessage(msgBuf, r);
+    }
+
+    ALOGD("[halimp] thread end.");
+    // mCecDevice.mExited = true;
+}
+
 HdmiCecMock::HdmiCecMock() {
-    ALOGE("Opening a virtual HAL for testing and virtual machine.");
+    ALOGE("[halimp] Opening a virtual HAL for testing and virtual machine.");
+    mCallback = nullptr;
+    mPortInfo.resize(mTotalPorts);
+    mPortConnectionStatus.resize(mTotalPorts);
+    mPortInfo[0] = {.type = HdmiPortType::OUTPUT,
+                    .portId = static_cast<uint32_t>(0),
+                    .cecSupported = true,
+                    .arcSupported = false,
+                    .physicalAddress = mPhysicalAddress};
+    mPortConnectionStatus[0] = false;
 }
 
 }  // namespace implementation
diff --git a/tv/cec/1.0/default/HdmiCecMock.h b/tv/cec/1.0/default/HdmiCecMock.h
index b2f1113..0a708fa 100644
--- a/tv/cec/1.0/default/HdmiCecMock.h
+++ b/tv/cec/1.0/default/HdmiCecMock.h
@@ -49,6 +49,9 @@
 using ::android::hardware::tv::cec::V1_0::Result;
 using ::android::hardware::tv::cec::V1_0::SendMessageResult;
 
+#define CEC_MSG_IN_FIFO "/dev/cec_in_pipe"
+#define CEC_MSG_OUT_FIFO "/dev/cec_out_pipe"
+
 struct HdmiCecMock : public IHdmiCec, public hidl_death_recipient {
     HdmiCecMock();
     // Methods from ::android::hardware::tv::cec::V1_0::IHdmiCec follow.
@@ -71,21 +74,43 @@
     }
 
     void cec_set_option(int flag, int value);
+    void printCecMsgBuf(const char* msg_buf, int len);
+
+  private:
+    static void* __threadLoop(void* data);
+    void threadLoop();
+    int readMessageFromFifo(unsigned char* buf, int msgCount);
+    int sendMessageToFifo(const CecMessage& message);
+    void handleHotplugMessage(unsigned char* msgBuf);
+    void handleCecMessage(unsigned char* msgBuf, int length);
 
   private:
     sp<IHdmiCecCallback> mCallback;
+
     // Variables for the virtual cec hal impl
     uint16_t mPhysicalAddress = 0xFFFF;
     vector<CecLogicalAddress> mLogicalAddresses;
     int32_t mCecVersion = 0;
     uint32_t mCecVendorId = 0;
+
     // Port configuration
-    int mTotalPorts = 4;
+    int mTotalPorts = 1;
+    hidl_vec<HdmiPortInfo> mPortInfo;
+    hidl_vec<bool> mPortConnectionStatus;
+
     // CEC Option value
     int mOptionWakeUp = 0;
     int mOptionEnableCec = 0;
     int mOptionSystemCecControl = 0;
     int mOptionLanguage = 0;
+
+    // Testing variables
+    // Input file descriptor
+    int mInputFile;
+    // Output file descriptor
+    int mOutputFile;
+    bool mCecThreadRun = true;
+    pthread_t mThreadId = 0;
 };
 }  // namespace implementation
 }  // namespace V1_0
diff --git a/tv/cec/2.0/default/Android.bp b/tv/cec/2.0/default/Android.bp
index 6e624e3..d3d5342 100644
--- a/tv/cec/2.0/default/Android.bp
+++ b/tv/cec/2.0/default/Android.bp
@@ -7,7 +7,6 @@
 
     shared_libs: [
         "libhidlbase",
-        "libhidltransport",
         "liblog",
         "libbase",
         "libutils",
@@ -35,7 +34,6 @@
         "libhardware_legacy",
         "libhardware",
         "libhidlbase",
-        "libhidltransport",
         "android.hardware.tv.cec@2.0",
     ],
 
diff --git a/tv/input/1.0/default/Android.bp b/tv/input/1.0/default/Android.bp
index 7c140a5..5f6b7e7 100644
--- a/tv/input/1.0/default/Android.bp
+++ b/tv/input/1.0/default/Android.bp
@@ -10,7 +10,6 @@
         "liblog",
         "libhardware",
         "libhidlbase",
-        "libhidltransport",
         "libutils",
         "android.hardware.audio.common@2.0",
         "android.hardware.tv.input@1.0",
@@ -35,7 +34,6 @@
         "libhardware_legacy",
         "libhardware",
         "libhidlbase",
-        "libhidltransport",
         "android.hardware.audio.common@2.0",
         "android.hardware.tv.input@1.0",
     ],
diff --git a/tv/tuner/1.0/default/Android.bp b/tv/tuner/1.0/default/Android.bp
index cc8d1f5..44a2347 100644
--- a/tv/tuner/1.0/default/Android.bp
+++ b/tv/tuner/1.0/default/Android.bp
@@ -16,7 +16,6 @@
         "android.hidl.memory@1.0",
         "libhidlbase",
         "libhidlmemory",
-        "libhidltransport",
         "liblog",
         "libstagefright_foundation",
         "libutils",
diff --git a/usb/1.0/default/Android.bp b/usb/1.0/default/Android.bp
index 64de821..96d24c1 100644
--- a/usb/1.0/default/Android.bp
+++ b/usb/1.0/default/Android.bp
@@ -26,7 +26,6 @@
     shared_libs: [
         "libcutils",
         "libhidlbase",
-        "libhidltransport",
         "liblog",
         "libutils",
         "libhardware",
diff --git a/vibrator/1.0/default/Android.bp b/vibrator/1.0/default/Android.bp
index 0c7d155..b0d0986 100644
--- a/vibrator/1.0/default/Android.bp
+++ b/vibrator/1.0/default/Android.bp
@@ -21,7 +21,6 @@
     srcs: ["Vibrator.cpp"],
     shared_libs: [
         "libhidlbase",
-        "libhidltransport",
         "liblog",
         "libutils",
         "libhardware",
@@ -39,7 +38,6 @@
 
     shared_libs: [
         "libhidlbase",
-        "libhidltransport",
         "liblog",
         "libutils",
         "libhardware",
diff --git a/vibrator/1.3/example/Android.bp b/vibrator/1.3/example/Android.bp
index 36f2ff8..07f1c26 100644
--- a/vibrator/1.3/example/Android.bp
+++ b/vibrator/1.3/example/Android.bp
@@ -23,7 +23,6 @@
     cflags: ["-Wall", "-Werror"],
     shared_libs: [
         "libhidlbase",
-        "libhidltransport",
         "liblog",
         "libutils",
         "android.hardware.vibrator@1.0",
diff --git a/vr/1.0/default/Android.bp b/vr/1.0/default/Android.bp
index ddc1bfb..cfb2808 100644
--- a/vr/1.0/default/Android.bp
+++ b/vr/1.0/default/Android.bp
@@ -12,7 +12,6 @@
         "libcutils",
         "libutils",
         "libhidlbase",
-        "libhidltransport",
         "android.hardware.vr@1.0",
     ],
 }
@@ -30,7 +29,6 @@
         "libutils",
         "libhardware",
         "libhidlbase",
-        "libhidltransport",
         "android.hardware.vr@1.0",
     ],
 }
diff --git a/wifi/1.3/default/Android.mk b/wifi/1.3/default/Android.mk
index 0a3809c..29f1c42 100644
--- a/wifi/1.3/default/Android.mk
+++ b/wifi/1.3/default/Android.mk
@@ -59,7 +59,6 @@
     libbase \
     libcutils \
     libhidlbase \
-    libhidltransport \
     liblog \
     libnl \
     libutils \
@@ -86,7 +85,6 @@
     libbase \
     libcutils \
     libhidlbase \
-    libhidltransport \
     liblog \
     libnl \
     libutils \
@@ -117,7 +115,6 @@
     libbase \
     libcutils \
     libhidlbase \
-    libhidltransport \
     liblog \
     libnl \
     libutils \
@@ -160,7 +157,6 @@
     libbase \
     libcutils \
     libhidlbase \
-    libhidltransport \
     liblog \
     libnl \
     libutils \