diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/common/tuners/tda18271-fe.c | 74 |
1 files changed, 34 insertions, 40 deletions
diff --git a/drivers/media/common/tuners/tda18271-fe.c b/drivers/media/common/tuners/tda18271-fe.c index 3347c5b488dd..6348bb302139 100644 --- a/drivers/media/common/tuners/tda18271-fe.c +++ b/drivers/media/common/tuners/tda18271-fe.c @@ -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; } |