[media] v4l: Unify selection flags

Unify flags on the selection interfaces on V4L2 and V4L2 subdev. Flags are
very similar to targets in this case: there are more similarities than
differences between the two interfaces.
Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi>
Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/omap3isp/ispccdc.c

@@ -2064,7 +2064,7 @@ static int ccdc_set_selection(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh,
 	 * pad. If the KEEP_CONFIG flag is set, just return the current crop
 	 * rectangle.
 	 */
-	if (sel->flags & V4L2_SUBDEV_SEL_FLAG_KEEP_CONFIG) {
+	if (sel->flags & V4L2_SEL_FLAG_KEEP_CONFIG) {
 		sel->r = *__ccdc_get_crop(ccdc, fh, sel->which);
 		return 0;
 	}

drivers/media/video/omap3isp/isppreview.c

@@ -2000,7 +2000,7 @@ static int preview_set_selection(struct v4l2_subdev *sd,
 	 * pad. If the KEEP_CONFIG flag is set, just return the current crop
 	 * rectangle.
 	 */
-	if (sel->flags & V4L2_SUBDEV_SEL_FLAG_KEEP_CONFIG) {
+	if (sel->flags & V4L2_SEL_FLAG_KEEP_CONFIG) {
 		sel->r = *__preview_get_crop(prev, fh, sel->which);
 		return 0;
 	}

drivers/media/video/smiapp/smiapp-core.c

@@ -38,9 +38,9 @@
 
 #include "smiapp.h"
 
-#define SMIAPP_ALIGN_DIM(dim, flags)		\
-	((flags) & V4L2_SUBDEV_SEL_FLAG_SIZE_GE	\
-	 ? ALIGN((dim), 2)			\
+#define SMIAPP_ALIGN_DIM(dim, flags)	\
+	((flags) & V4L2_SEL_FLAG_GE	\
+	 ? ALIGN((dim), 2)		\
 	 : (dim) & ~1)
 
 /*
@@ -1747,14 +1747,14 @@ static int scaling_goodness(struct v4l2_subdev *subdev, int w, int ask_w,
 	h &= ~1;
 	ask_h &= ~1;
 
-	if (flags & V4L2_SUBDEV_SEL_FLAG_SIZE_GE) {
+	if (flags & V4L2_SEL_FLAG_GE) {
 		if (w < ask_w)
 			val -= SCALING_GOODNESS;
 		if (h < ask_h)
 			val -= SCALING_GOODNESS;
 	}
 
-	if (flags & V4L2_SUBDEV_SEL_FLAG_SIZE_LE) {
+	if (flags & V4L2_SEL_FLAG_LE) {
 		if (w > ask_w)
 			val -= SCALING_GOODNESS;
 		if (h > ask_h)

include/linux/v4l2-common.h

@@ -29,7 +29,11 @@
 #ifndef __V4L2_COMMON__
 #define __V4L2_COMMON__
 
-/* Selection target definitions */
+/*
+ *
+ * Selection interface definitions
+ *
+ */
 
 /* Current cropping area */
 #define V4L2_SEL_TGT_CROP		0x0000
@@ -46,7 +50,7 @@
 /* Current composing area plus all padding pixels */
 #define V4L2_SEL_TGT_COMPOSE_PADDED	0x0103
 
-/* Backward compatibility definitions */
+/* Backward compatibility target definitions --- to be removed. */
 #define V4L2_SEL_TGT_CROP_ACTIVE	V4L2_SEL_TGT_CROP
 #define V4L2_SEL_TGT_COMPOSE_ACTIVE	V4L2_SEL_TGT_COMPOSE
 #define V4L2_SUBDEV_SEL_TGT_CROP_ACTUAL \
@@ -54,4 +58,14 @@
 #define V4L2_SUBDEV_SEL_TGT_COMPOSE_ACTUAL \
 	V4L2_SEL_TGT_COMPOSE
 
-#endif /* __V4L2_COMMON__  */
+/* Selection flags */
+#define V4L2_SEL_FLAG_GE		(1 << 0)
+#define V4L2_SEL_FLAG_LE		(1 << 1)
+#define V4L2_SEL_FLAG_KEEP_CONFIG	(1 << 2)
+
+/* Backward compatibility flag definitions --- to be removed. */
+#define V4L2_SUBDEV_SEL_FLAG_SIZE_GE	V4L2_SEL_FLAG_GE
+#define V4L2_SUBDEV_SEL_FLAG_SIZE_LE	V4L2_SEL_FLAG_LE
+#define V4L2_SUBDEV_SEL_FLAG_KEEP_CONFIG V4L2_SEL_FLAG_KEEP_CONFIG
+
+#endif /* __V4L2_COMMON__ */

include/linux/v4l2-subdev.h

@@ -124,10 +124,6 @@ struct v4l2_subdev_frame_interval_enum {
 	__u32 reserved[9];
 };
 
-#define V4L2_SUBDEV_SEL_FLAG_SIZE_GE			(1 << 0)
-#define V4L2_SUBDEV_SEL_FLAG_SIZE_LE			(1 << 1)
-#define V4L2_SUBDEV_SEL_FLAG_KEEP_CONFIG		(1 << 2)
-
 /**
  * struct v4l2_subdev_selection - selection info
  *
@@ -135,7 +131,7 @@ struct v4l2_subdev_frame_interval_enum {
  * @pad: pad number, as reported by the media API
  * @target: Selection target, used to choose one of possible rectangles,
  *	    defined in v4l2-common.h; V4L2_SEL_TGT_* .
- * @flags: constraint flags
+ * @flags: constraint flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*.
  * @r: coordinates of the selection window
  * @reserved: for future use, set to zero for now
  *

include/linux/videodev2.h

@@ -761,16 +761,12 @@ struct v4l2_crop {
 	struct v4l2_rect        c;
 };
 
-/* Hints for adjustments of selection rectangle */
-#define V4L2_SEL_FLAG_GE	0x00000001
-#define V4L2_SEL_FLAG_LE	0x00000002
-
 /**
  * struct v4l2_selection - selection info
  * @type:	buffer type (do not use *_MPLANE types)
  * @target:	Selection target, used to choose one of possible rectangles;
  *		defined in v4l2-common.h; V4L2_SEL_TGT_* .
- * @flags:	constraints flags
+ * @flags:	constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*.
  * @r:		coordinates of selection window
  * @reserved:	for future use, rounds structure size to 64 bytes, set to zero
  *