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[media] tda18271-fe: use DVBv5 parameters on set_params()

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Instead of using DVBv3 parameters, rely on DVBv5 parameters to
set the tuner.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Mauro Carvalho Chehab 2011-12-21 08:15:29 -03:00
parent ce0e93a52a
commit 5ca1c94dea
1 changed files with 34 additions and 40 deletions
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74
drivers/media/common/tuners/tda18271-fe.c
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@ -931,56 +931,51 @@ fail:
static int tda18271_set_params(struct dvb_frontend *fe,
struct dvb_frontend_parameters *params)
{
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
u32 delsys = c->delivery_system;
u32 bw = c->bandwidth_hz;
u32 freq = c->frequency;
u32 band = BANDWIDTH_6_MHZ;
struct tda18271_priv *priv = fe->tuner_priv;
struct tda18271_std_map *std_map = &priv->std;
struct tda18271_std_map_item *map;
int ret;
u32 bw, freq = params->frequency;
priv->mode = TDA18271_DIGITAL;
if (fe->ops.info.type == FE_ATSC) {
switch (params->u.vsb.modulation) {
case VSB_8:
case VSB_16:
map = &std_map->atsc_6;
break;
case QAM_64:
case QAM_256:
map = &std_map->qam_6;
break;
default:
tda_warn("modulation not set!\n");
return -EINVAL;
}
#if 0
/* userspace request is already center adjusted */
freq += 1750000; /* Adjust to center (+1.75MHZ) */
#endif
switch (delsys) {
case SYS_ATSC:
map = &std_map->atsc_6;
bw = 6000000;
} else if (fe->ops.info.type == FE_OFDM) {
switch (params->u.ofdm.bandwidth) {
case BANDWIDTH_6_MHZ:
bw = 6000000;
break;
case SYS_DVBT:
case SYS_DVBT2:
if (bw <= 6000000) {
map = &std_map->dvbt_6;
break;
case BANDWIDTH_7_MHZ:
bw = 7000000;
} else if (bw <= 7000000) {
map = &std_map->dvbt_7;
break;
case BANDWIDTH_8_MHZ:
bw = 8000000;
band = BANDWIDTH_7_MHZ;
} else {
map = &std_map->dvbt_8;
break;
default:
tda_warn("bandwidth not set!\n");
return -EINVAL;
band = BANDWIDTH_8_MHZ;
}
} else if (fe->ops.info.type == FE_QAM) {
/* DVB-C */
map = &std_map->qam_8;
bw = 8000000;
} else {
break;
case SYS_DVBC_ANNEX_B:
bw = 6000000;
/* falltrough */
case SYS_DVBC_ANNEX_A:
case SYS_DVBC_ANNEX_C:
if (bw <= 6000000) {
map = &std_map->qam_6;
} else if (bw <= 7000000) {
map = &std_map->qam_7;
band = BANDWIDTH_7_MHZ;
} else {
map = &std_map->qam_8;
band = BANDWIDTH_8_MHZ;
}
break;
default:
tda_warn("modulation type not supported!\n");
return -EINVAL;
}
@ -996,8 +991,7 @@ static int tda18271_set_params(struct dvb_frontend *fe,
priv->if_freq = map->if_freq;
priv->frequency = freq;
priv->bandwidth = (fe->ops.info.type == FE_OFDM) ?
params->u.ofdm.bandwidth : 0;
priv->bandwidth = band;
fail:
return ret;
}