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[media] mt2063: Convert it to the DVBv5 way for set_params()

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Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Mauro Carvalho Chehab 2012-01-04 22:29:32 -02:00
parent d76f28f2c3
commit 669b67d959
1 changed files with 17 additions and 29 deletions
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46
drivers/media/common/tuners/mt2063.c
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@ -2051,9 +2051,9 @@ static int mt2063_set_analog_params(struct dvb_frontend *fe,
*/
#define MAX_SYMBOL_RATE_6MHz 5217391
static int mt2063_set_params(struct dvb_frontend *fe,
struct dvb_frontend_parameters *params)
static int mt2063_set_params(struct dvb_frontend *fe)
{
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
struct mt2063_state *state = fe->tuner_priv;
int status;
s32 pict_car = 0;
@ -2065,37 +2065,25 @@ static int mt2063_set_params(struct dvb_frontend *fe,
s32 if_mid = 0;
s32 rcvr_mode = 0;
switch (fe->ops.info.type) {
case FE_OFDM:
switch (params->u.ofdm.bandwidth) {
case BANDWIDTH_6_MHZ:
ch_bw = 6000000;
break;
case BANDWIDTH_7_MHZ:
ch_bw = 7000000;
break;
case BANDWIDTH_8_MHZ:
ch_bw = 8000000;
break;
default:
return -EINVAL;
}
if (c->bandwidth_hz == 0)
return -EINVAL;
if (c->bandwidth_hz <= 6000000)
ch_bw = 6000000;
else if (c->bandwidth_hz <= 7000000)
ch_bw = 7000000;
else
ch_bw = 8000000;
switch (c->delivery_system) {
case SYS_DVBT:
rcvr_mode = MT2063_OFFAIR_COFDM;
pict_car = 36125000;
pict2chanb_vsb = -(ch_bw / 2);
pict2snd1 = 0;
pict2snd2 = 0;
break;
case FE_QAM:
/*
* Using a 8MHz bandwidth sometimes fail
* with 6MHz-spaced channels, due to inter-carrier
* interference. So, it is better to narrow-down the filter
*/
if (params->u.qam.symbol_rate <= MAX_SYMBOL_RATE_6MHz)
ch_bw = 6000000;
else
ch_bw = 8000000;
case SYS_DVBC_ANNEX_A:
case SYS_DVBC_ANNEX_C:
rcvr_mode = MT2063_CABLE_QAM;
pict_car = 36125000;
pict2snd1 = 0;
@ -2115,12 +2103,12 @@ static int mt2063_set_params(struct dvb_frontend *fe,
if (status < 0)
return status;
status = MT2063_Tune(state, (params->frequency + (pict2chanb_vsb + (ch_bw / 2))));
status = MT2063_Tune(state, (c->frequency + (pict2chanb_vsb + (ch_bw / 2))));
if (status < 0)
return status;
state->frequency = params->frequency;
state->frequency = c->frequency;
return 0;
}