-/* values for video tape control */
-#define VIDEO_STATE_PLAY_OFF (1 << 0)
-#define VIDEO_STATE_PLAY_ON (1 << 1)
-#define VIDEO_STATE_REC_OFF (1 << 2)
-#define VIDEO_STATE_REC_ON (1 << 3)
-#define VIDEO_STATE_PAUSE_OFF (1 << 4)
-#define VIDEO_STATE_PAUSE_ON (1 << 5)
-#define VIDEO_STATE_DATE_OFF (1 << 6)
-#define VIDEO_STATE_DATE_ON (1 << 7)
-#define VIDEO_STATE_TIME_OFF (1 << 8)
-#define VIDEO_STATE_TIME_ON (1 << 9)
-#define VIDEO_STATE_FRAME_OFF (1 << 10)
-#define VIDEO_STATE_FRAME_ON (1 << 11)
-#define VIDEO_STATE_FFWD_OFF (1 << 12)
-#define VIDEO_STATE_FFWD_ON (1 << 13)
-#define VIDEO_STATE_PBEND_OFF (1 << 14)
-#define VIDEO_STATE_PBEND_ON (1 << 15)
-#define VIDEO_STATE_WARP_OFF (1 << 16)
-#define VIDEO_STATE_WARP_ON (1 << 17)
-#define VIDEO_STATE_WARP2_OFF (1 << 18)
-#define VIDEO_STATE_WARP2_ON (1 << 19)
-#define VIDEO_STATE_1STEP_OFF (1 << 20)
-#define VIDEO_STATE_1STEP_ON (1 << 21)
-#define VIDEO_PRESS_PLAY_ON (1 << 22)
-#define VIDEO_PRESS_PLAY_OFF (1 << 23)
-#define VIDEO_PRESS_REC_ON (1 << 24)
-#define VIDEO_PRESS_REC_OFF (1 << 25)
-#define VIDEO_PRESS_PAUSE_ON (1 << 26)
-#define VIDEO_PRESS_PAUSE_OFF (1 << 27)
-#define VIDEO_PRESS_STOP_ON (1 << 28)
-#define VIDEO_PRESS_STOP_OFF (1 << 29)
-#define VIDEO_PRESS_EJECT_ON (1 << 30)
-#define VIDEO_PRESS_EJECT_OFF (1 << 31)
+// values for video tape control
+#define VIDEO_STATE_PLAY_OFF (1u << 0)
+#define VIDEO_STATE_PLAY_ON (1u << 1)
+#define VIDEO_STATE_REC_OFF (1u << 2)
+#define VIDEO_STATE_REC_ON (1u << 3)
+#define VIDEO_STATE_PAUSE_OFF (1u << 4)
+#define VIDEO_STATE_PAUSE_ON (1u << 5)
+#define VIDEO_STATE_DATE_OFF (1u << 6)
+#define VIDEO_STATE_DATE_ON (1u << 7)
+#define VIDEO_STATE_TIME_OFF (1u << 8)
+#define VIDEO_STATE_TIME_ON (1u << 9)
+#define VIDEO_STATE_FRAME_OFF (1u << 10)
+#define VIDEO_STATE_FRAME_ON (1u << 11)
+#define VIDEO_STATE_FFWD_OFF (1u << 12)
+#define VIDEO_STATE_FFWD_ON (1u << 13)
+#define VIDEO_STATE_WARP_OFF (1u << 14)
+#define VIDEO_STATE_WARP_ON (1u << 15)
+#define VIDEO_STATE_WARP2_OFF (1u << 16)
+#define VIDEO_STATE_WARP2_ON (1u << 17)
+#define VIDEO_STATE_PBEND_OFF (1u << 18)
+#define VIDEO_STATE_PBEND_ON (1u << 19)
+#define VIDEO_STATE_1STEP_OFF (1u << 20)
+#define VIDEO_STATE_1STEP_ON (1u << 21)
+
+#define VIDEO_PRESS_PLAY_ON (1u << 22)
+#define VIDEO_PRESS_PLAY_OFF (1u << 23)
+#define VIDEO_PRESS_REC_ON (1u << 24)
+#define VIDEO_PRESS_REC_OFF (1u << 25)
+#define VIDEO_PRESS_PAUSE_ON (1u << 26)
+#define VIDEO_PRESS_PAUSE_OFF (1u << 27)
+#define VIDEO_PRESS_STOP_ON (1u << 28)
+#define VIDEO_PRESS_STOP_OFF (1u << 29)
+#define VIDEO_PRESS_EJECT_ON (1u << 30)
+#define VIDEO_PRESS_EJECT_OFF (1u << 31)