[gnome-settings-daemon] power: use gnome_rr_output_get_min_backlight_step

[Bastien Nocera <hadess src gnome org>]

commit 9eae369912184a75369171684c70322c44c67ac5
Author: Asad Mehmood <asad78611 googlemail com>
Date:   Thu Oct 17 16:41:44 2013 +0100

    power: use gnome_rr_output_get_min_backlight_step
    
    Use min_backlight_step or 5% increments whichever is larger
    
    https://bugzilla.gnome.org/show_bug.cgi?id=710380

 plugins/power/gpm-common.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/plugins/power/gpm-common.c b/plugins/power/gpm-common.c
index ebbaa7a..74adccc 100644
--- a/plugins/power/gpm-common.c
+++ b/plugins/power/gpm-common.c
@@ -633,7 +633,7 @@ backlight_step_up (GnomeRRScreen *rr_screen, GError **error)
                 now = gnome_rr_output_get_backlight (output);
                 if (now < 0)
                        return percentage_value;
-                step = BRIGHTNESS_STEP_AMOUNT (max - min + 1);
+                step = MAX(gnome_rr_output_get_min_backlight_step (output), BRIGHTNESS_STEP_AMOUNT(max - min 
+ 1));
                 discrete = MIN (now + step, max);
                 ret = gnome_rr_output_set_backlight (output,
                                                      discrete,
@@ -692,7 +692,7 @@ backlight_step_down (GnomeRRScreen *rr_screen, GError **error)
                 now = gnome_rr_output_get_backlight (output);
                 if (now < 0)
                        return percentage_value;
-                step = BRIGHTNESS_STEP_AMOUNT (max - min + 1);
+                step = MAX (gnome_rr_output_get_min_backlight_step (output), BRIGHTNESS_STEP_AMOUNT (max - 
min + 1));
                 discrete = MAX (now - step, 0);
                 ret = gnome_rr_output_set_backlight (output,
                                                      discrete,