diff options
Diffstat (limited to 'drivers/media/dvb/frontends/cxd2820r_t2.c')
-rw-r--r-- | drivers/media/dvb/frontends/cxd2820r_t2.c | 70 |
1 files changed, 37 insertions, 33 deletions
diff --git a/drivers/media/dvb/frontends/cxd2820r_t2.c b/drivers/media/dvb/frontends/cxd2820r_t2.c index 6548588309f7..3a5759e0d235 100644 --- a/drivers/media/dvb/frontends/cxd2820r_t2.c +++ b/drivers/media/dvb/frontends/cxd2820r_t2.c @@ -21,13 +21,12 @@ #include "cxd2820r_priv.h" -int cxd2820r_set_frontend_t2(struct dvb_frontend *fe, - struct dvb_frontend_parameters *params) +int cxd2820r_set_frontend_t2(struct dvb_frontend *fe) { struct cxd2820r_priv *priv = fe->demodulator_priv; struct dtv_frontend_properties *c = &fe->dtv_property_cache; - int ret, i; - u32 if_khz, if_ctl; + int ret, i, bw_i; + u32 if_freq, if_ctl; u64 num; u8 buf[3], bw_param; u8 bw_params1[][5] = { @@ -71,6 +70,27 @@ int cxd2820r_set_frontend_t2(struct dvb_frontend *fe, dbg("%s: RF=%d BW=%d", __func__, c->frequency, c->bandwidth_hz); + switch (c->bandwidth_hz) { + case 5000000: + bw_i = 0; + bw_param = 3; + break; + case 6000000: + bw_i = 1; + bw_param = 2; + break; + case 7000000: + bw_i = 2; + bw_param = 1; + break; + case 8000000: + bw_i = 3; + bw_param = 0; + break; + default: + return -EINVAL; + } + /* update GPIOs */ ret = cxd2820r_gpio(fe); if (ret) @@ -78,7 +98,7 @@ int cxd2820r_set_frontend_t2(struct dvb_frontend *fe, /* program tuner */ if (fe->ops.tuner_ops.set_params) - fe->ops.tuner_ops.set_params(fe, params); + fe->ops.tuner_ops.set_params(fe); if (priv->delivery_system != SYS_DVBT2) { for (i = 0; i < ARRAY_SIZE(tab); i++) { @@ -91,32 +111,17 @@ int cxd2820r_set_frontend_t2(struct dvb_frontend *fe, priv->delivery_system = SYS_DVBT2; - switch (c->bandwidth_hz) { - case 5000000: - if_khz = priv->cfg.if_dvbt2_5; - i = 0; - bw_param = 3; - break; - case 6000000: - if_khz = priv->cfg.if_dvbt2_6; - i = 1; - bw_param = 2; - break; - case 7000000: - if_khz = priv->cfg.if_dvbt2_7; - i = 2; - bw_param = 1; - break; - case 8000000: - if_khz = priv->cfg.if_dvbt2_8; - i = 3; - bw_param = 0; - break; - default: - return -EINVAL; - } + /* program IF frequency */ + if (fe->ops.tuner_ops.get_if_frequency) { + ret = fe->ops.tuner_ops.get_if_frequency(fe, &if_freq); + if (ret) + goto error; + } else + if_freq = 0; + + dbg("%s: if_freq=%d", __func__, if_freq); - num = if_khz; + num = if_freq / 1000; /* Hz => kHz */ num *= 0x1000000; if_ctl = cxd2820r_div_u64_round_closest(num, 41000); buf[0] = ((if_ctl >> 16) & 0xff); @@ -127,7 +132,7 @@ int cxd2820r_set_frontend_t2(struct dvb_frontend *fe, if (ret) goto error; - ret = cxd2820r_wr_regs(priv, 0x0209f, bw_params1[i], 5); + ret = cxd2820r_wr_regs(priv, 0x0209f, bw_params1[bw_i], 5); if (ret) goto error; @@ -150,8 +155,7 @@ error: } -int cxd2820r_get_frontend_t2(struct dvb_frontend *fe, - struct dvb_frontend_parameters *p) +int cxd2820r_get_frontend_t2(struct dvb_frontend *fe) { struct cxd2820r_priv *priv = fe->demodulator_priv; struct dtv_frontend_properties *c = &fe->dtv_property_cache; |