[PATCH 1/1 linux-next] v4l2-dv-timings: use swap() in v4l2_calc_aspect_ratio()

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Use kernel.h macro definition.

Thanks to Julia Lawall for Coccinelle scripting support.

Signed-off-by: Fabian Frederick <fabf@xxxxxxxxx>
---
 drivers/media/v4l2-core/v4l2-dv-timings.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/media/v4l2-core/v4l2-dv-timings.c b/drivers/media/v4l2-core/v4l2-dv-timings.c
index 5792192..41a07d6 100644
--- a/drivers/media/v4l2-core/v4l2-dv-timings.c
+++ b/drivers/media/v4l2-core/v4l2-dv-timings.c
@@ -615,7 +615,6 @@ EXPORT_SYMBOL_GPL(v4l2_detect_gtf);
 struct v4l2_fract v4l2_calc_aspect_ratio(u8 hor_landscape, u8 vert_portrait)
 {
 	struct v4l2_fract aspect = { 16, 9 };
-	u32 tmp;
 	u8 ratio;
 
 	/* Nothing filled in, fallback to 16:9 */
@@ -647,9 +646,7 @@ struct v4l2_fract v4l2_calc_aspect_ratio(u8 hor_landscape, u8 vert_portrait)
 	if (hor_landscape)
 		return aspect;
 	/* The aspect ratio is for portrait, so swap numerator and denominator */
-	tmp = aspect.denominator;
-	aspect.denominator = aspect.numerator;
-	aspect.numerator = tmp;
+	swap(aspect.denominator, aspect.numerator);
 	return aspect;
 }
 EXPORT_SYMBOL_GPL(v4l2_calc_aspect_ratio);
-- 
2.4.2

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