2 files changed, 18 insertions, 0 deletions

diff --git a/fbset.c b/fbset.c
index 32325a7cf..8307f262d 100644
--- a/fbset.c
+++ b/fbset.c
@@ -180,6 +180,15 @@ struct cmdoptions_t {
         0, 0, 0}
 };
 
+#ifdef BB_FEATURE_FBSET_READMODE
+/* taken from linux/fb.h */
+#define FB_VMODE_INTERLACED     1       /* interlaced   */
+#define FB_VMODE_DOUBLE         2       /* double scan */
+#define FB_SYNC_HOR_HIGH_ACT    1       /* horizontal sync high active  */
+#define FB_SYNC_VERT_HIGH_ACT   2       /* vertical sync high active    */
+#define FB_SYNC_EXT             4       /* external sync                */
+#define FB_SYNC_COMP_HIGH_ACT   8       /* composite sync high active   */
+#endif
 static int readmode(struct fb_var_screeninfo *base, const char *fn,
                                         const char *mode)
 {
diff --git a/util-linux/fbset.c b/util-linux/fbset.c
index 32325a7cf..8307f262d 100644
--- a/util-linux/fbset.c
+++ b/util-linux/fbset.c
@@ -180,6 +180,15 @@ struct cmdoptions_t {
         0, 0, 0}
 };
 
+#ifdef BB_FEATURE_FBSET_READMODE
+/* taken from linux/fb.h */
+#define FB_VMODE_INTERLACED     1       /* interlaced   */
+#define FB_VMODE_DOUBLE         2       /* double scan */
+#define FB_SYNC_HOR_HIGH_ACT    1       /* horizontal sync high active  */
+#define FB_SYNC_VERT_HIGH_ACT   2       /* vertical sync high active    */
+#define FB_SYNC_EXT             4       /* external sync                */
+#define FB_SYNC_COMP_HIGH_ACT   8       /* composite sync high active   */
+#endif
 static int readmode(struct fb_var_screeninfo *base, const char *fn,
                                         const char *mode)
 {