[media] OMAP_VOUT: CLEANUP: Make rotation related helper functions more descriptive

Rename rotation_enabled() and rotate_90_or_270() to is_rotation_enabled()
and is_rotation_90_or_270() to make them more descriptive.

Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/omap/omap_voutdef.h b/drivers/media/video/omap/omap_voutdef.h
index 31e6261..1ef3ed2 100644
--- a/drivers/media/video/omap/omap_voutdef.h
+++ b/drivers/media/video/omap/omap_voutdef.h
@@ -173,7 +173,7 @@
 /*
  * Return true if rotation is 90 or 270
  */
-static inline int rotate_90_or_270(const struct omap_vout_device *vout)
+static inline int is_rotation_90_or_270(const struct omap_vout_device *vout)
 {
 	return (vout->rotation == dss_rotation_90_degree ||
 			vout->rotation == dss_rotation_270_degree);
@@ -182,7 +182,7 @@
 /*
  * Return true if rotation is enabled
  */
-static inline int rotation_enabled(const struct omap_vout_device *vout)
+static inline int is_rotation_enabled(const struct omap_vout_device *vout)
 {
 	return vout->rotation || vout->mirror;
 }