Patch for MATE Power Manager 1.8.0 idle handler, to always calculate backlight from configured value

1005_make-idle-handler-always-use-configured-brightness.patch

From: Nutchanon Wetchasit <nachanon@users.noreply.github.com>
Subject: Make idle event handler always calculate backlight from configured settings
Bug: https://github.com/mate-desktop/mate-power-manager/issues/150

--- a/src/gpm-backlight.c
+++ b/src/gpm-backlight.c
@@ -578,7 +578,7 @@
 	if (mode == GPM_IDLE_MODE_NORMAL) {
 		/* sync lcd brightness */
 		gpm_backlight_notify_system_idle_changed (backlight, FALSE);
-		gpm_backlight_brightness_evaluate_and_set (backlight, FALSE, FALSE);
+		gpm_backlight_brightness_evaluate_and_set (backlight, FALSE, TRUE);
 
 		/* ensure backlight is on */
 		ret = gpm_dpms_set_mode (backlight->priv->dpms, GPM_DPMS_MODE_ON, &error);
@@ -591,7 +591,7 @@
 
 		/* sync lcd brightness */
 		gpm_backlight_notify_system_idle_changed (backlight, TRUE);
-		gpm_backlight_brightness_evaluate_and_set (backlight, FALSE, FALSE);
+		gpm_backlight_brightness_evaluate_and_set (backlight, FALSE, TRUE);
 
 		/* ensure backlight is on */
 		ret = gpm_dpms_set_mode (backlight->priv->dpms, GPM_DPMS_MODE_ON, &error);
@@ -604,7 +604,7 @@
 
 		/* sync lcd brightness */
 		gpm_backlight_notify_system_idle_changed (backlight, TRUE);
-		gpm_backlight_brightness_evaluate_and_set (backlight, FALSE, FALSE);
+		gpm_backlight_brightness_evaluate_and_set (backlight, FALSE, TRUE);
 
 		/* get the DPMS state we're supposed to use on the power state */
 		g_object_get (backlight->priv->client,