Fix WS2812 power control (#7090)

tasmota/CHANGELOG.md

@@ -4,6 +4,7 @@
 
 - Fix lost functionality of GPIO9 and GPIO10 on some devices (#7080)
 - Fix Zigbee uses Hardware Serial if GPIO 1/3 or GPIO 13/15 and SerialLog 0 (#7071)
+- Fix WS2812 power control (#7090)
 - Change light color schemes 2, 3 and 4 from color wheel to Hue driven
 
 ## Released

tasmota/xdrv_04_light.ino

@@ -1571,6 +1571,7 @@ void LightAnimate(void)
 {
   uint8_t cur_col[LST_MAX];
   uint16_t light_still_on = 0;
+  bool power_off = false;
 
   Light.strip_timer_counter++;
   if (!Light.power) {                   // All channels powered off
@@ -1578,6 +1579,9 @@ void LightAnimate(void)
     if (!Light.fade_running) {
       sleep = Settings.sleep;
     }
+    if (Settings.light_scheme >= LS_MAX) {
+      power_off = true;
+    }
   } else {
     if (Settings.sleep > PWM_MAX_SLEEP) {
       sleep = PWM_MAX_SLEEP;      // set a maxumum value of 50 milliseconds to ensure that animations are smooth
@@ -1629,7 +1633,7 @@ void LightAnimate(void)
     }
   }
 
-  if (Settings.light_scheme < LS_MAX) {     // exclude WS281X Neopixel
+  if ((Settings.light_scheme < LS_MAX) || power_off) {  // exclude WS281X Neopixel schemes
 
     // Apply power modifiers to Light.new_color
     LightApplyPower(Light.new_color, Light.power);
@@ -1714,7 +1718,7 @@ void LightAnimate(void)
         cur_col_10bits[i] = orig_col_10bits[Light.color_remap[i]];
       }
 
-      if (!Settings.light_fade) { // no fade
+      if (!Settings.light_fade || power_off) { // no fade
         // record the current value for a future Fade
         memcpy(Light.fade_start_8, cur_col, sizeof(Light.fade_start_8));
         memcpy(Light.fade_start_10, cur_col_10bits, sizeof(Light.fade_start_10));