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

Document debug level module options and
tda18271_config attach-time parameters.
Signed-off-by: NMichael Krufky <mkrufky@linuxtv.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

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))");
 
 /*---------------------------------------------------------------------*/
 

drivers/media/dvb/frontends/tda18271.h

@@ -52,7 +52,10 @@ enum tda18271_i2c_gate {
 };
 
 struct tda18271_config {
+	/* override default if freq / std settings (optional) */
 	struct tda18271_std_map *std_map;
+
+	/* use i2c gate provided by analog or digital demod */
 	enum tda18271_i2c_gate gate;
 };