Added the option to turn on IR in power savings mode (commaai#431)

Author: robbederks

board/main.c

@@ -294,11 +294,7 @@ int usb_cb_control_msg(USB_Setup_TypeDef *setup, uint8_t *resp, bool hardwired)
       break;
     // **** 0xb0: set IR power
     case 0xb0:
-      if(power_save_status == POWER_SAVE_STATUS_DISABLED){
-        current_board->set_ir_power(setup->b.wValue.w);
-      } else {
-        puts("Setting IR power not allowed in power saving mode\n");
-      }
+      current_board->set_ir_power(setup->b.wValue.w);
       break;
     // **** 0xb1: set fan power
     case 0xb1:
@@ -712,6 +708,10 @@ void TIM1_BRK_TIM9_IRQ_Handler(void) {
       if (power_save_status != POWER_SAVE_STATUS_ENABLED) {
         set_power_save_state(POWER_SAVE_STATUS_ENABLED);
       }
+
+      // Also disable fan and IR when the heartbeat goes missing
+      current_board->set_fan_power(0U);
+      current_board->set_ir_power(0U);
     }
 
     // enter CDP mode when car starts to ensure we are charging a turned off EON