---

yaml --- r: 271999 b: refs/heads/master c: ba05b23 h: refs/heads/master i: 271997: ce5d720 271995: da7df0a 271991: 8461b79 271983: 86c82e0 271967: 980172a 271935: ee30139 271871: ccf9a98 v: v3
git-mirror · Oct 24, 2011 · 4e30b83 · 4e30b83
1 parent 41f6b6c
commit 4e30b83
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Showing 2 changed files with 9 additions and 3 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: be3128b107e36271f7973ef213ccde603a494fe8
+refs/heads/master: ba05b237372bad82533d1f717569d1d817ff3c27
diff --git a/trunk/drivers/platform/x86/samsung-laptop.c b/trunk/drivers/platform/x86/samsung-laptop.c
@@ -404,8 +404,9 @@ static int get_brightness(struct backlight_device *bd)
 
 static void check_for_stepping_quirk(void)
 {
-	u8 initial_level = read_brightness();
+	u8 initial_level;
 	u8 check_level;
+	u8 orig_level = read_brightness();
 
 	/*
 	 * Some laptops exhibit the strange behaviour of stepping toward
@@ -414,6 +415,11 @@ static void check_for_stepping_quirk(void)
 	 * around in set_brightness.
 	 */
 
+	if (orig_level == 0)
+		set_brightness(1);
+
+	initial_level = read_brightness();
+
 	if (initial_level <= 2)
 		check_level = initial_level + 2;
 	else
@@ -427,7 +433,7 @@ static void check_for_stepping_quirk(void)
 		pr_info("enabled workaround for brightness stepping quirk\n");
 	}
 
-	set_brightness(initial_level);
+	set_brightness(orig_level);
 }
 
 static int update_status(struct backlight_device *bd)