[media] DocBook: improve documentation for guard interval

Format it as a table and add more details, in special for
DTMB guard intervals.

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/include/uapi/linux/dvb/frontend.h b/include/uapi/linux/dvb/frontend.h
index 49f6e980125b..1d2b7c6dee04 100644
--- a/include/uapi/linux/dvb/frontend.h
+++ b/include/uapi/linux/dvb/frontend.h
@@ -228,7 +228,7 @@ enum fe_bandwidth {
 typedef enum fe_bandwidth fe_bandwidth_t;
 #endif
 
-typedef enum fe_guard_interval {
+enum fe_guard_interval {
         GUARD_INTERVAL_1_32,
         GUARD_INTERVAL_1_16,
         GUARD_INTERVAL_1_8,
@@ -240,8 +240,9 @@ typedef enum fe_guard_interval {
         GUARD_INTERVAL_PN420,
         GUARD_INTERVAL_PN595,
         GUARD_INTERVAL_PN945,
-} fe_guard_interval_t;
+};
 
+typedef enum fe_guard_interval fe_guard_interval_t;
 
 typedef enum fe_hierarchy {
         HIERARCHY_NONE,