Add "BLMIN TMP OFF" function for programmable buttons

driver/backlight.c

@@ -94,7 +94,18 @@ void BACKLIGHT_TurnOn(void)
 
 void BACKLIGHT_TurnOff()
 {
+#ifdef ENABLE_BLMIN_TMP_OFF
+	register uint8_t tmp;
+
+	if (gEeprom.BACKLIGHT_MIN_STAT == BLMIN_STAT_ON)
+		tmp = gEeprom.BACKLIGHT_MIN;
+	else
+		tmp = 0;
+
+	BACKLIGHT_SetBrightness(tmp);
+#else
 	BACKLIGHT_SetBrightness(gEeprom.BACKLIGHT_MIN);
+#endif
 	gBacklightCountdown = 0;
 	backlightOn = false;
 }
@@ -108,4 +119,4 @@ void BACKLIGHT_SetBrightness(uint8_t brigtness)
 {
 	PWM_PLUS0_CH0_COMP = (1 << brigtness) - 1;
 	//PWM_PLUS0_SWLOAD = 1;
-}
+}