[PATCH 30/39] [media] add documentation for struct dvb_tuner_info

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Despite being used everywhere at DVB frontends, the
struct dvb_tuner_info were never documented.

Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxx>

diff --git a/drivers/media/dvb-core/dvb_frontend.h b/drivers/media/dvb-core/dvb_frontend.h
index ea68ba61f0de..e6df79fe8a71 100644
--- a/drivers/media/dvb-core/dvb_frontend.h
+++ b/drivers/media/dvb-core/dvb_frontend.h
@@ -65,6 +65,19 @@ struct dvb_frontend_tune_settings {
 
 struct dvb_frontend;
 
+/**
+ * struct dvb_tuner_info - Frontend name and min/max ranges/bandwidths
+ *
+ * @name:		name of the Frontend
+ * @frequency_min:	minimal frequency supported
+ * @frequency_max:	maximum frequency supported
+ * @frequency_step:	frequency step
+ * @bandwidth_min:	minimal frontend bandwidth supported
+ * @bandwidth_max:	maximum frontend bandwidth supported
+ * @bandwidth_step:	frontend bandwidth step
+ *
+ * NOTE: step_size is in Hz, for terrestrial/cable or kHz for satellite
+ */
 struct dvb_tuner_info {
 	char name[128];
 
-- 
2.4.3

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