Satisfaction 75 turn off backlight on suspend, restore config on wakeup (#11774)

* Satisfaction 75 turn off backlight on suspend, restore config on wakeup

* Disable SLEEP_LED_ENABLE because it has no effect

keyboards/cannonkeys/satisfaction75/led.c

@@ -80,6 +80,21 @@ void backlight_init_ports(void) {
   }
 }
 
+void suspend_power_down_user(void) {
+    backlight_set(0);
+}
+void suspend_wakeup_init_user(void) {
+  if(kb_backlight_config.enable){
+    if(kb_backlight_config.breathing){
+      breathing_enable();
+    } else{
+      backlight_set(kb_backlight_config.level);
+    }
+  } else {
+    backlight_set(0);
+  }
+}
+
 void backlight_set(uint8_t level) {
   uint32_t duty = (uint32_t)(cie_lightness(0xFFFF * (uint32_t) level / BACKLIGHT_LEVELS));
   if (level == 0) {

keyboards/cannonkeys/satisfaction75/rules.mk

@@ -15,7 +15,7 @@ MOUSEKEY_ENABLE = yes	# Mouse keys
 EXTRAKEY_ENABLE = yes	# Audio control and System control
 CONSOLE_ENABLE = yes	# Console for debug
 COMMAND_ENABLE = yes    # Commands for debug and configuration
-SLEEP_LED_ENABLE = yes  # Breathing sleep LED during USB suspend
+SLEEP_LED_ENABLE = no  # Breathing sleep LED during USB suspend
 NKRO_ENABLE = yes	    # USB Nkey Rollover
 CUSTOM_MATRIX = no # Custom matrix file
 ENCODER_ENABLE = yes