[PATCH v2 1/5] dvb-core: add a new tuner ops to dvb_frontend for APIv5

[tskd08@gmail.com]

From: Akihiro Tsukada <tskd08@gmail.com>

fe->ops.tuner_ops.get_rf_strength() reports its result in u16,
while in DVB APIv5 it should be reported in s64 and by 0.001dBm.

Signed-off-by: Akihiro Tsukada <tskd08@gmail.com>
---
 drivers/media/dvb-core/dvb_frontend.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/media/dvb-core/dvb_frontend.h b/drivers/media/dvb-core/dvb_frontend.h
index 816269e..f6222b5 100644
--- a/drivers/media/dvb-core/dvb_frontend.h
+++ b/drivers/media/dvb-core/dvb_frontend.h
@@ -222,6 +222,8 @@ struct dvb_tuner_ops {
 #define TUNER_STATUS_STEREO 2
 	int (*get_status)(struct dvb_frontend *fe, u32 *status);
 	int (*get_rf_strength)(struct dvb_frontend *fe, u16 *strength);
+	/** get signal strengh in 0.001dBm, in accordance with APIv5 */
+	int (*get_rf_strength_dbm)(struct dvb_frontend *fe, s64 *strength);
 	int (*get_afc)(struct dvb_frontend *fe, s32 *afc);
 
 	/** These are provided separately from set_params in order to facilitate silicon
-- 
2.1.0