V4L/DVB (6964): tda18271: document debug level and configuration parameters

Document debug level module options and
tda18271_config attach-time parameters.

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/dvb/frontends/tda18271-fe.c b/drivers/media/dvb/frontends/tda18271-fe.c
index a02d640..55c17fc 100644
--- a/drivers/media/dvb/frontends/tda18271-fe.c
+++ b/drivers/media/dvb/frontends/tda18271-fe.c
@@ -24,7 +24,8 @@
 
 int tda18271_debug;
 module_param_named(debug, tda18271_debug, int, 0644);
-MODULE_PARM_DESC(debug, "set debug level (info=1, map=2, reg=4 (or-able))");
+MODULE_PARM_DESC(debug, "set debug level "
+		 "(info=1, map=2, reg=4, adv=8 (or-able))");
 
 /*---------------------------------------------------------------------*/