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path: root/drivers/media/dvb-frontends/m88rs2000.c
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Diffstat (limited to 'drivers/media/dvb-frontends/m88rs2000.c')
-rw-r--r--drivers/media/dvb-frontends/m88rs2000.c19
1 files changed, 18 insertions, 1 deletions
diff --git a/drivers/media/dvb-frontends/m88rs2000.c b/drivers/media/dvb-frontends/m88rs2000.c
index b2351466b0da..32cffca14d0b 100644
--- a/drivers/media/dvb-frontends/m88rs2000.c
+++ b/drivers/media/dvb-frontends/m88rs2000.c
@@ -715,6 +715,22 @@ static int m88rs2000_get_frontend(struct dvb_frontend *fe)
 	return 0;
 }
 
+static int m88rs2000_get_tune_settings(struct dvb_frontend *fe,
+	struct dvb_frontend_tune_settings *tune)
+{
+	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
+
+	if (c->symbol_rate > 3000000)
+		tune->min_delay_ms = 2000;
+	else
+		tune->min_delay_ms = 3000;
+
+	tune->step_size = c->symbol_rate / 16000;
+	tune->max_drift = c->symbol_rate / 2000;
+
+	return 0;
+}
+
 static int m88rs2000_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
 {
 	struct m88rs2000_state *state = fe->demodulator_priv;
@@ -746,7 +762,7 @@ static struct dvb_frontend_ops m88rs2000_ops = {
 		.symbol_rate_tolerance	= 500,	/* ppm */
 		.caps = FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
 		      FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 |
-		      FE_CAN_QPSK |
+		      FE_CAN_QPSK | FE_CAN_INVERSION_AUTO |
 		      FE_CAN_FEC_AUTO
 	},
 
@@ -766,6 +782,7 @@ static struct dvb_frontend_ops m88rs2000_ops = {
 
 	.set_frontend = m88rs2000_set_frontend,
 	.get_frontend = m88rs2000_get_frontend,
+	.get_tune_settings = m88rs2000_get_tune_settings,
 };
 
 struct dvb_frontend *m88rs2000_attach(const struct m88rs2000_config *config,