[PATCH] include: barebox.h: document enum autoboot_state

[Ahmad Fatoum <a.fatoum@pengutronix.de>]

Only documentation we have for this is the magic var help string, so
let's have some more words to go along with it in the code.

Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
---
 include/barebox.h | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/include/barebox.h b/include/barebox.h
index 741463bc1cf9..45e95f187462 100644
--- a/include/barebox.h
+++ b/include/barebox.h
@@ -18,6 +18,17 @@ void __noreturn hang (void);
  */
 extern int (*barebox_main)(void);
 
+/**
+ * enum autoboot_state - autoboot action after init
+ * @AUTOBOOT_COUNTDOWN: Count down to automatic boot action
+ * @AUTOBOOT_ABORT: Abort boot and drop to barebox shell
+ * AUTOBOOT_MENU: Show main menu directly
+ * @AUTOBOOT_BOOT: Boot right away without an interruptible countdown
+ * @AUTOBOOT_UNKNOWN: Boot right away without an interruptible countdown
+ *
+ * This enum descibes what action to take after barebox initialization
+ * has completed and it's time to boot.
+ */
 enum autoboot_state {
 	AUTOBOOT_COUNTDOWN,
 	AUTOBOOT_ABORT,
-- 
2.39.5