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[media] ts2020: call get_rf_strength from frontend

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Restore ds3000.c read_signal_strength.
Call tuner get_rf_strength from frontend read_signal_strength.
We are able to do a NULL check and doesn't limit the tuner
attach to the frontend attach area.
At the moment the lmedm04 tuner attach is stuck in frontend
attach area.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Malcolm Priestley 2013-01-06 08:40:42 -03:00 committed by Mauro Carvalho Chehab
parent 668a8b3b57
commit a0a030bdbe
3 changed files with 13 additions and 2 deletions
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10
drivers/media/dvb-frontends/ds3000.c
View file

@ -533,6 +533,15 @@ static int ds3000_read_ber(struct dvb_frontend *fe, u32* ber)
return 0;
}
static int ds3000_read_signal_strength(struct dvb_frontend *fe,
u16 *signal_strength)
{
if (fe->ops.tuner_ops.get_rf_strength)
fe->ops.tuner_ops.get_rf_strength(fe, signal_strength);
return 0;
}
/* calculate DS3000 snr value in dB */
static int ds3000_read_snr(struct dvb_frontend *fe, u16 *snr)
{
@ -1102,6 +1111,7 @@ static struct dvb_frontend_ops ds3000_ops = {
.i2c_gate_ctrl = ds3000_i2c_gate_ctrl,
.read_status = ds3000_read_status,
.read_ber = ds3000_read_ber,
.read_signal_strength = ds3000_read_signal_strength,
.read_snr = ds3000_read_snr,
.read_ucblocks = ds3000_read_ucblocks,
.set_voltage = ds3000_set_voltage,

4
drivers/media/dvb-frontends/m88rs2000.c
View file

@ -446,7 +446,9 @@ static int m88rs2000_read_ber(struct dvb_frontend *fe, u32 *ber)
static int m88rs2000_read_signal_strength(struct dvb_frontend *fe,
u16 *strength)
{
*strength = 0;
if (fe->ops.tuner_ops.get_rf_strength)
fe->ops.tuner_ops.get_rf_strength(fe, strength);
return 0;
}

1
drivers/media/dvb-frontends/ts2020.c
View file

@ -363,7 +363,6 @@ struct dvb_frontend *ts2020_attach(struct dvb_frontend *fe,
memcpy(&fe->ops.tuner_ops, &ts2020_tuner_ops,
sizeof(struct dvb_tuner_ops));
fe->ops.read_signal_strength = fe->ops.tuner_ops.get_rf_strength;
return fe;
}