[media] v4l2-dv-timings: use swap() in v4l2_calc_aspect_ratio()
Author: Fabian Frederick <fabf@skynet.be>
Use kernel.h macro definition.
Thanks to Julia Lawall for Coccinelle scripting support.
Signed-off-by: Fabian Frederick
Signed-off-by: Hans Verkuil
Signed-off-by: Mauro Carvalho Chehab
---
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 04dc71e..eefad4f 100644
--- a/drivers/media/v4l2-core/v4l2-dv-timings.c
+++ b/drivers/media/v4l2-core/v4l2-dv-timings.c
@@ -665,7 +665,6 @@ 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 */
@@ -697,9 +696,7 @@ 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); |
---
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 04dc71e..eefad4f 100644
--- a/drivers/media/v4l2-core/v4l2-dv-timings.c
+++ b/drivers/media/v4l2-core/v4l2-dv-timings.c
@@ -665,7 +665,6 @@ 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 */
@@ -697,9 +696,7 @@ 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);