diff --git a/homeassistant/components/hdmi_cec.py b/homeassistant/components/hdmi_cec.py
index 44b205993b6ed..23c3fc011069e 100644
--- a/homeassistant/components/hdmi_cec.py
+++ b/homeassistant/components/hdmi_cec.py
@@ -26,12 +26,14 @@
 from homeassistant.core import HomeAssistant, callback
 from homeassistant.helpers.entity import Entity
 
-REQUIREMENTS = ['pyCEC==0.4.6']
+REQUIREMENTS = ['pyCEC==0.4.9']
 
 DOMAIN = 'hdmi_cec'
 
 _LOGGER = logging.getLogger(__name__)
 
+DEFAULT_DISPLAY_NAME = "HomeAssistant"
+
 ICON_UNKNOWN = 'mdi:help'
 ICON_AUDIO = 'mdi:speaker'
 ICON_PLAYER = 'mdi:play'
@@ -76,6 +78,9 @@
 ATTR_DIR = 'dir'
 ATTR_ABT = 'abt'
 ATTR_NEW = 'new'
+ATTR_ON = 'on'
+ATTR_OFF = 'off'
+ATTR_TOGGLE = 'toggle'
 
 _VOL_HEX = vol.Any(vol.Coerce(int), lambda x: int(x, 16))
 
@@ -92,9 +97,7 @@
 SERVICE_VOLUME_SCHEMA = vol.Schema({
     vol.Optional(CMD_UP): vol.Any(CMD_PRESS, CMD_RELEASE, vol.Coerce(int)),
     vol.Optional(CMD_DOWN): vol.Any(CMD_PRESS, CMD_RELEASE, vol.Coerce(int)),
-    vol.Optional(CMD_MUTE): None,
-    vol.Optional(CMD_UNMUTE): None,
-    vol.Optional(CMD_MUTE_TOGGLE): None
+    vol.Optional(CMD_MUTE): vol.Any(ATTR_ON, ATTR_OFF, ATTR_TOGGLE),
 }, extra=vol.PREVENT_EXTRA)
 
 SERVICE_UPDATE_DEVICES = 'update'
@@ -118,6 +121,7 @@
                                                                SWITCH)
 })
 
+CONF_DISPLAY_NAME = 'osd_name'
 CONFIG_SCHEMA = vol.Schema({
     DOMAIN: vol.Schema({
         vol.Optional(CONF_DEVICES): vol.Any(DEVICE_SCHEMA,
@@ -127,6 +131,7 @@
                                             })),
         vol.Optional(CONF_PLATFORM): vol.Any(SWITCH, MEDIA_PLAYER),
         vol.Optional(CONF_HOST): cv.string,
+        vol.Optional(CONF_DISPLAY_NAME): cv.string,
     })
 }, extra=vol.ALLOW_EXTRA)
 
@@ -156,8 +161,9 @@ def setup(hass: HomeAssistant, base_config):
     """Setup CEC capability."""
     from pycec.network import HDMINetwork
     from pycec.commands import CecCommand, KeyReleaseCommand, KeyPressCommand
-    from pycec.const import KEY_VOLUME_UP, KEY_VOLUME_DOWN, KEY_MUTE, \
-        ADDR_AUDIOSYSTEM, ADDR_BROADCAST, ADDR_UNREGISTERED
+    from pycec.const import KEY_VOLUME_UP, KEY_VOLUME_DOWN, KEY_MUTE_ON, \
+        KEY_MUTE_OFF, KEY_MUTE_TOGGLE, ADDR_AUDIOSYSTEM, ADDR_BROADCAST, \
+        ADDR_UNREGISTERED
     from pycec.cec import CecAdapter
     from pycec.tcp import TcpAdapter
 
@@ -175,14 +181,18 @@ def setup(hass: HomeAssistant, base_config):
         # Create own thread if more than 1 CPU
         hass.loop if multiprocessing.cpu_count() < 2 else None)
     host = base_config[DOMAIN].get(CONF_HOST, None)
+    display_name = base_config[DOMAIN].get(CONF_DISPLAY_NAME,
+                                           DEFAULT_DISPLAY_NAME)
     if host:
-        adapter = TcpAdapter(host, name="HASS", activate_source=False)
+        adapter = TcpAdapter(host, name=display_name, activate_source=False)
     else:
-        adapter = CecAdapter(name="HASS", activate_source=False)
+        adapter = CecAdapter(name=display_name, activate_source=False)
     hdmi_network = HDMINetwork(adapter, loop=loop)
 
     def _volume(call):
         """Increase/decrease volume and mute/unmute system."""
+        mute_key_mapping = {ATTR_TOGGLE: KEY_MUTE_TOGGLE, ATTR_ON: KEY_MUTE_ON,
+                            ATTR_OFF: KEY_MUTE_OFF}
         for cmd, att in call.data.items():
             if cmd == CMD_UP:
                 _process_volume(KEY_VOLUME_UP, att)
@@ -190,7 +200,8 @@ def _volume(call):
                 _process_volume(KEY_VOLUME_DOWN, att)
             elif cmd == CMD_MUTE:
                 hdmi_network.send_command(
-                    KeyPressCommand(KEY_MUTE, dst=ADDR_AUDIOSYSTEM))
+                    KeyPressCommand(mute_key_mapping[att],
+                                    dst=ADDR_AUDIOSYSTEM))
                 hdmi_network.send_command(
                     KeyReleaseCommand(dst=ADDR_AUDIOSYSTEM))
                 _LOGGER.info("Audio muted")
@@ -207,7 +218,7 @@ def _process_volume(cmd, att):
             hdmi_network.send_command(KeyReleaseCommand(dst=ADDR_AUDIOSYSTEM))
         else:
             att = 1 if att == "" else int(att)
-            for _ in range(1, att):
+            for _ in range(0, att):
                 hdmi_network.send_command(
                     KeyPressCommand(cmd, dst=ADDR_AUDIOSYSTEM))
                 hdmi_network.send_command(
diff --git a/homeassistant/components/media_player/hdmi_cec.py b/homeassistant/components/media_player/hdmi_cec.py
index 4998072018ed1..c7e9be562cc45 100644
--- a/homeassistant/components/media_player/hdmi_cec.py
+++ b/homeassistant/components/media_player/hdmi_cec.py
@@ -59,8 +59,8 @@ def send_playback(self, key):
 
     def mute_volume(self, mute):
         """Mute volume."""
-        from pycec.const import KEY_MUTE
-        self.send_keypress(KEY_MUTE)
+        from pycec.const import KEY_MUTE_TOGGLE
+        self.send_keypress(KEY_MUTE_TOGGLE)
 
     def media_previous_track(self):
         """Go to previous track."""
diff --git a/homeassistant/components/services.yaml b/homeassistant/components/services.yaml
index 53f82d5c05931..e42cd56cd8c8e 100644
--- a/homeassistant/components/services.yaml
+++ b/homeassistant/components/services.yaml
@@ -192,9 +192,9 @@ hdmi_cec:
       down:
         description: Decreases volume x levels.
         example: 3
-      mute: Mutes audio system. Value is ignored.
-      unmute: Unmutes audio system. Value is ignored.
-      toggle mute: Toggles mute of audio system. Value is ignored.
+      mute:
+        description: Mutes audio system. Value should be on, off or toggle.
+        example: "toggle"
 
   select_device:
     description: Select HDMI device.
diff --git a/requirements_all.txt b/requirements_all.txt
index f97d00952602e..1b92e6b81c48c 100755
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -378,7 +378,7 @@ pwaqi==1.3
 py-cpuinfo==0.2.3
 
 # homeassistant.components.hdmi_cec
-pyCEC==0.4.6
+pyCEC==0.4.9
 
 # homeassistant.components.switch.tplink
 pyHS100==0.2.3