diff options
author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-12-21 11:53:22 (GMT) |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-12-31 10:27:44 (GMT) |
commit | 506cd7145430c0802bf0bc0b7aa029b4c342d0cb (patch) | |
tree | 76865961afe57b43a6511511c037dabafdc8d9d3 /drivers/media/common/tuners/tuner-xc2028.c | |
parent | 53ccd1ca69c14e29ce927c4992e5b5ceae379d64 (diff) | |
download | linux-fsl-qoriq-506cd7145430c0802bf0bc0b7aa029b4c342d0cb.tar.xz |
[media] tuner-xc2028: use DVBv5 parameters on set_params()
Instead of using DVBv3 parameters, rely on DVBv5 parameters to
set the tuner.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/common/tuners/tuner-xc2028.c')
-rw-r--r-- | drivers/media/common/tuners/tuner-xc2028.c | 83 |
1 files changed, 36 insertions, 47 deletions
diff --git a/drivers/media/common/tuners/tuner-xc2028.c b/drivers/media/common/tuners/tuner-xc2028.c index 4df952c..d052c26 100644 --- a/drivers/media/common/tuners/tuner-xc2028.c +++ b/drivers/media/common/tuners/tuner-xc2028.c @@ -1087,65 +1087,26 @@ static int xc2028_set_analog_freq(struct dvb_frontend *fe, static int xc2028_set_params(struct dvb_frontend *fe, struct dvb_frontend_parameters *p) { + struct dtv_frontend_properties *c = &fe->dtv_property_cache; + u32 delsys = c->delivery_system; + u32 bw = c->bandwidth_hz; struct xc2028_data *priv = fe->tuner_priv; unsigned int type=0; - fe_bandwidth_t bw = BANDWIDTH_8_MHZ; u16 demod = 0; tuner_dbg("%s called\n", __func__); - switch(fe->ops.info.type) { - case FE_OFDM: - bw = p->u.ofdm.bandwidth; + switch (delsys) { + case SYS_DVBT: + case SYS_DVBT2: /* * The only countries with 6MHz seem to be Taiwan/Uruguay. * Both seem to require QAM firmware for OFDM decoding * Tested in Taiwan by Terry Wu <terrywu2009@gmail.com> */ - if (bw == BANDWIDTH_6_MHZ) + if (bw <= 6000000) type |= QAM; - break; - case FE_ATSC: - bw = BANDWIDTH_6_MHZ; - /* The only ATSC firmware (at least on v2.7) is D2633 */ - type |= ATSC | D2633; - break; - /* DVB-S and pure QAM (FE_QAM) are not supported */ - default: - return -EINVAL; - } - - switch (bw) { - case BANDWIDTH_8_MHZ: - if (p->frequency < 470000000) - priv->ctrl.vhfbw7 = 0; - else - priv->ctrl.uhfbw8 = 1; - type |= (priv->ctrl.vhfbw7 && priv->ctrl.uhfbw8) ? DTV78 : DTV8; - type |= F8MHZ; - break; - case BANDWIDTH_7_MHZ: - if (p->frequency < 470000000) - priv->ctrl.vhfbw7 = 1; - else - priv->ctrl.uhfbw8 = 0; - type |= (priv->ctrl.vhfbw7 && priv->ctrl.uhfbw8) ? DTV78 : DTV7; - type |= F8MHZ; - break; - case BANDWIDTH_6_MHZ: - type |= DTV6; - priv->ctrl.vhfbw7 = 0; - priv->ctrl.uhfbw8 = 0; - break; - default: - tuner_err("error: bandwidth not supported.\n"); - }; - /* - Selects between D2633 or D2620 firmware. - It doesn't make sense for ATSC, since it should be D2633 on all cases - */ - if (fe->ops.info.type != FE_ATSC) { switch (priv->ctrl.type) { case XC2028_D2633: type |= D2633; @@ -1161,6 +1122,34 @@ static int xc2028_set_params(struct dvb_frontend *fe, else type |= D2620; } + break; + case SYS_ATSC: + /* The only ATSC firmware (at least on v2.7) is D2633 */ + type |= ATSC | D2633; + break; + /* DVB-S and pure QAM (FE_QAM) are not supported */ + default: + return -EINVAL; + } + + if (bw <= 6000000) { + type |= DTV6; + priv->ctrl.vhfbw7 = 0; + priv->ctrl.uhfbw8 = 0; + } else if (bw <= 7000000) { + if (c->frequency < 470000000) + priv->ctrl.vhfbw7 = 1; + else + priv->ctrl.uhfbw8 = 0; + type |= (priv->ctrl.vhfbw7 && priv->ctrl.uhfbw8) ? DTV78 : DTV7; + type |= F8MHZ; + } else { + if (c->frequency < 470000000) + priv->ctrl.vhfbw7 = 0; + else + priv->ctrl.uhfbw8 = 1; + type |= (priv->ctrl.vhfbw7 && priv->ctrl.uhfbw8) ? DTV78 : DTV8; + type |= F8MHZ; } /* All S-code tables need a 200kHz shift */ @@ -1185,7 +1174,7 @@ static int xc2028_set_params(struct dvb_frontend *fe, */ } - return generic_set_freq(fe, p->frequency, + return generic_set_freq(fe, c->frequency, V4L2_TUNER_DIGITAL_TV, type, 0, demod); } |