File zw121-support.patch of Package home-assistant

commit 9902497c238c53755105378e8b4f1e2d65f7e05b
Author: Adrian Schröter <adrian@suse.de>
Date:   Mon Apr 22 17:39:48 2019 +0200

    support white LED on Aeon Labs ZW121
    
    The stripe was just used as colored LED stripe. This enables also
    the warm and cold white LEDs which bring the wanted 5000 Lumen

diff --git a/homeassistant/components/zwave/light.py b/homeassistant/components/zwave/light.py
index bdb9021c0..73e65e9b3 100644
--- a/homeassistant/components/zwave/light.py
+++ b/homeassistant/components/zwave/light.py
@@ -36,15 +36,18 @@ COLOR_CHANNEL_BLUE = 0x10
 # (Manufacturer ID, Product ID) from
 # https://github.com/OpenZWave/open-zwave/blob/master/config/manufacturer_specific.xml
 AEOTEC_ZW098_LED_BULB_LIGHT = (0x86, 0x62)
+AEOTEC_ZW121_LED_STRIPE_LIGHT = (0x86, 0x79)
 AEOTEC_ZWA001_LED_BULB_LIGHT = (0x371, 0x1)
 AEOTEC_ZWA002_LED_BULB_LIGHT = (0x371, 0x2)
 HANK_HKZW_RGB01_LED_BULB_LIGHT = (0x208, 0x4)
 ZIPATO_RGB_BULB_2_LED_BULB_LIGHT = (0x131, 0x3)
 
 WORKAROUND_ZW098 = "zw098"
+WORKAROUND_ZW121 = 'zw121'
 
 DEVICE_MAPPINGS = {
     AEOTEC_ZW098_LED_BULB_LIGHT: WORKAROUND_ZW098,
+    AEOTEC_ZW121_LED_STRIPE_LIGHT: WORKAROUND_ZW121,
     AEOTEC_ZWA001_LED_BULB_LIGHT: WORKAROUND_ZW098,
     AEOTEC_ZWA002_LED_BULB_LIGHT: WORKAROUND_ZW098,
     HANK_HKZW_RGB01_LED_BULB_LIGHT: WORKAROUND_ZW098,
@@ -134,6 +137,7 @@ class ZwaveDimmer(ZWaveDeviceEntity, Light):
         self._delay = delay
         self._refresh_value = refresh
         self._zw098 = None
+        self._zw121 = None
 
         # Enable appropriate workaround flags for our device
         # Make sure that we have values for the key before converting to int
@@ -146,6 +150,9 @@ class ZwaveDimmer(ZWaveDeviceEntity, Light):
                 if DEVICE_MAPPINGS[specific_sensor_key] == WORKAROUND_ZW098:
                     _LOGGER.debug("AEOTEC ZW098 workaround enabled")
                     self._zw098 = 1
+                if DEVICE_MAPPINGS[specific_sensor_key] == WORKAROUND_ZW121:
+                    _LOGGER.debug("AEOTEC ZW121 workaround enabled")
+                    self._zw121 = 1
 
         # Used for value change event handling
         self._refreshing = False
@@ -275,6 +282,8 @@ class ZwaveColorLight(ZwaveDimmer):
         self._supported_features |= SUPPORT_COLOR
         if self._zw098:
             self._supported_features |= SUPPORT_COLOR_TEMP
+        elif self._zw121:
+            self._supported_features |= SUPPORT_WHITE_VALUE
         elif self._color_channels is not None and self._color_channels & (
             COLOR_CHANNEL_WARM_WHITE | COLOR_CHANNEL_COLD_WHITE
         ):
@@ -291,6 +300,9 @@ class ZwaveColorLight(ZwaveDimmer):
 
         # Color Channels
         self._color_channels = self.values.color_channels.data
+        if self._zw121:
+            self._color_channels |= COLOR_CHANNEL_WARM_WHITE
+            self._color_channels |= COLOR_CHANNEL_COLD_WHITE
 
         # Color Data String
         data = self.values.color.data
@@ -389,7 +401,16 @@ class ZwaveColorLight(ZwaveDimmer):
             for colorval in color_util.color_hs_to_RGB(*self._hs):
                 rgbw += format(colorval, "02x")
             if self._white is not None:
-                rgbw += format(self._white, "02x") + "00"
+                if self._zw121 and self._white > 0:
+                    # We use just the warm and cold LEDs here on ZW121.
+                    # A color value is therfore ignored on purpose
+                    rgbw = '#000000'
+                    # The combined value of cold and warm LED must not
+                    # exceed 255
+                    rgbw += format(self._white, '02x')
+                    rgbw += format(255 - self._white, '02x')
+                else:
+                    rgbw += format(self._white, '02x') + '00'
             else:
                 rgbw += "0000"