Add CM17A support (#19041)

* Add CM17A support.

* Update log entry

homeassistant/components/light/x10.py

@@ -41,24 +41,26 @@ def get_unit_status(code):
 
 def setup_platform(hass, config, add_entities, discovery_info=None):
     """Set up the x10 Light platform."""
+    is_cm11a = True
     try:
         x10_command('info')
     except CalledProcessError as err:
-        _LOGGER.error(err.output)
-        return False
+        _LOGGER.info("Assuming that the device is CM17A: %s", err.output)
+        is_cm11a = False
 
-    add_entities(X10Light(light) for light in config[CONF_DEVICES])
+    add_entities(X10Light(light, is_cm11a) for light in config[CONF_DEVICES])
 
 
 class X10Light(Light):
     """Representation of an X10 Light."""
 
-    def __init__(self, light):
+    def __init__(self, light, is_cm11a):
         """Initialize an X10 Light."""
         self._name = light['name']
         self._id = light['id']
         self._brightness = 0
         self._state = False
+        self._is_cm11a = is_cm11a
 
     @property
     def name(self):
@@ -82,15 +84,25 @@ class X10Light(Light):
 
     def turn_on(self, **kwargs):
         """Instruct the light to turn on."""
-        x10_command('on ' + self._id)
+        if self._is_cm11a:
+            x10_command('on ' + self._id)
+        else:
+            x10_command('fon ' + self._id)
         self._brightness = kwargs.get(ATTR_BRIGHTNESS, 255)
         self._state = True
 
     def turn_off(self, **kwargs):
         """Instruct the light to turn off."""
-        x10_command('off ' + self._id)
+        if self._is_cm11a:
+            x10_command('off ' + self._id)
+        else:
+            x10_command('foff ' + self._id)
         self._state = False
 
     def update(self):
         """Fetch update state."""
-        self._state = bool(get_unit_status(self._id))
+        if self._is_cm11a:
+            self._state = bool(get_unit_status(self._id))
+        else:
+            # Not supported on CM17A
+            pass