Support RGBLIGHT_SLEEP when ChibiOS boards suspend (#7280)

Copypasta from the AVR suspend implementation with a Teensy-specific
hack removed

tmk_core/common/chibios/suspend.c

@@ -15,6 +15,13 @@
 # include "backlight.h"
 #endif
 
+#if defined(RGBLIGHT_SLEEP) && defined(RGBLIGHT_ENABLE)
+# include "rgblight.h"
+extern rgblight_config_t rgblight_config;
+static bool rgblight_enabled;
+static bool is_suspended;
+#endif
+
 /** \brief suspend idle
  *
  * FIXME: needs doc
@@ -43,6 +50,16 @@ void suspend_power_down(void) {
  // TODO: figure out what to power down and how
  // shouldn't power down TPM/FTM if we want a breathing LED
  // also shouldn't power down USB
+#if defined(RGBLIGHT_SLEEP) && defined(RGBLIGHT_ENABLE)
+# ifdef RGBLIGHT_ANIMATIONS
+ rgblight_timer_disable();
+# endif
+ if (!is_suspended) {
+ is_suspended = true;
+ rgblight_enabled = rgblight_config.enable;
+ rgblight_disable_noeeprom();
+ }
+#endif
 
  suspend_power_down_kb();
  // on AVR, this enables the watchdog for 15ms (max), and goes to
@@ -104,5 +121,14 @@ void suspend_wakeup_init(void) {
 #ifdef BACKLIGHT_ENABLE
  backlight_init();
 #endif /* BACKLIGHT_ENABLE */
+#if defined(RGBLIGHT_SLEEP) && defined(RGBLIGHT_ENABLE)
+ is_suspended = false;
+ if (rgblight_enabled) {
+ rgblight_enable_noeeprom();
+ }
+# ifdef RGBLIGHT_ANIMATIONS
+ rgblight_timer_enable();
+# endif
+#endif
  suspend_wakeup_init_kb();
 }