videomode: create enum for videomode's display flags

Instead of having plain defines for the videomode's flags, add an enum
for the flags. This makes the flags clearer to use, as the enum tells
which values can be used with the flags field.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Steffen Trumtrar <s.trumtrar@pengutronix.de>

2 files changed, 18 insertions, 12 deletions

diff --git a/include/video/display_timing.h b/include/video/display_timing.h
index a8a4be5b0af7..b63471d14097 100644
--- a/include/video/display_timing.h
+++ b/include/video/display_timing.h
@@ -12,16 +12,22 @@
 #include <linux/bitops.h>
 #include <linux/types.h>
 
-#define DISPLAY_FLAGS_HSYNC_LOW         BIT(0)
-#define DISPLAY_FLAGS_HSYNC_HIGH        BIT(1)
-#define DISPLAY_FLAGS_VSYNC_LOW         BIT(2)
-#define DISPLAY_FLAGS_VSYNC_HIGH        BIT(3)
-#define DISPLAY_FLAGS_DE_LOW            BIT(4)  /* data enable flag */
-#define DISPLAY_FLAGS_DE_HIGH           BIT(5)
-#define DISPLAY_FLAGS_PIXDATA_POSEDGE   BIT(6)  /* drive data on pos. edge */
-#define DISPLAY_FLAGS_PIXDATA_NEGEDGE   BIT(7)  /* drive data on neg. edge */
-#define DISPLAY_FLAGS_INTERLACED        BIT(8)
-#define DISPLAY_FLAGS_DOUBLESCAN        BIT(9)
+enum display_flags {
+        DISPLAY_FLAGS_HSYNC_LOW         = BIT(0),
+        DISPLAY_FLAGS_HSYNC_HIGH        = BIT(1),
+        DISPLAY_FLAGS_VSYNC_LOW         = BIT(2),
+        DISPLAY_FLAGS_VSYNC_HIGH        = BIT(3),
+
+        /* data enable flag */
+        DISPLAY_FLAGS_DE_LOW            = BIT(4),
+        DISPLAY_FLAGS_DE_HIGH           = BIT(5),
+        /* drive data on pos. edge */
+        DISPLAY_FLAGS_PIXDATA_POSEDGE   = BIT(6),
+        /* drive data on neg. edge */
+        DISPLAY_FLAGS_PIXDATA_NEGEDGE   = BIT(7),
+        DISPLAY_FLAGS_INTERLACED        = BIT(8),
+        DISPLAY_FLAGS_DOUBLESCAN        = BIT(9),
+};
 
 /*
  * A single signal can be specified via a range of minimal and maximal values
@@ -69,7 +75,7 @@ struct display_timing {
         struct timing_entry vback_porch;        /* ver. back porch */
         struct timing_entry vsync_len;          /* ver. sync len */
 
-        unsigned int flags;                     /* display flags */
+        enum display_flags flags;               /* display flags */
 };
 
 /*
diff --git a/include/video/videomode.h b/include/video/videomode.h
index f4ae6edfeb08..8b12e60b6173 100644
--- a/include/video/videomode.h
+++ b/include/video/videomode.h
@@ -29,7 +29,7 @@ struct videomode {
         u32 vback_porch;
         u32 vsync_len;
 
-        unsigned int flags; /* display flags */
+        enum display_flags flags; /* display flags */
 };
 
 /**