[mate-power-manager/f20] add mate-power-manager_avoid-levels-is-0-warning.patch

[Wolfgang Ulbrich]

commit d617086ef8acae0f0e255969af3c2a9326784d12
Author: raveit65 <chat-to-me at raveit.de>
Date:   Sat Apr 26 17:56:17 2014 +0200

    add mate-power-manager_avoid-levels-is-0-warning.patch

 mate-power-manager_avoid-levels-is-0-warning.patch |   15 +++++++++++++++
 1 files changed, 15 insertions(+), 0 deletions(-)
---
diff --git a/mate-power-manager_avoid-levels-is-0-warning.patch b/mate-power-manager_avoid-levels-is-0-warning.patch
new file mode 100644
index 0000000..9bccb5c
--- /dev/null
+++ b/mate-power-manager_avoid-levels-is-0-warning.patch
@@ -0,0 +1,15 @@
+diff --git a/src/gpm-kbd-backlight.c b/src/gpm-kbd-backlight.c
+index 0ac6801..a439e94 100644
+--- a/src/gpm-kbd-backlight.c
++++ b/src/gpm-kbd-backlight.c
+@@ -113,6 +113,9 @@ gpm_kbd_backlight_set (GpmKbdBacklight *backlight,
+    guint goal;
+ 
+    g_return_val_if_fail (GPM_IS_KBD_BACKLIGHT (backlight), FALSE);
++   /* avoid warnings if no keyboard brightness is available */
++   if (backlight->priv->max_brightness < 1)
++       return FALSE;
+    /* if we're setting the same we are, don't bother */
+    //g_return_val_if_fail (backlight->priv->brightness_percent != percentage, FALSE);
+ 
+