diff options
Diffstat (limited to 'linux/drivers/media/dvb/frontends/tda18271-common.c')
| -rw-r--r-- | linux/drivers/media/dvb/frontends/tda18271-common.c | 31 |
1 files changed, 19 insertions, 12 deletions
diff --git a/linux/drivers/media/dvb/frontends/tda18271-common.c b/linux/drivers/media/dvb/frontends/tda18271-common.c index e5e8a7497..43c0bec83 100644 --- a/linux/drivers/media/dvb/frontends/tda18271-common.c +++ b/linux/drivers/media/dvb/frontends/tda18271-common.c @@ -217,6 +217,21 @@ int tda18271_write_regs(struct dvb_frontend *fe, int idx, int len) /*---------------------------------------------------------------------*/ +int tda18271_charge_pump_source(struct dvb_frontend *fe, + enum tda18271_pll pll, int force) +{ + struct tda18271_priv *priv = fe->tuner_priv; + unsigned char *regs = priv->tda18271_regs; + + int r_cp = (pll == TDA18271_CAL_PLL) ? R_EB7 : R_EB4; + + regs[r_cp] &= ~0x20; + regs[r_cp] |= ((force & 1) << 5); + tda18271_write_regs(fe, r_cp, 1); + + return 0; +} + int tda18271_init_regs(struct dvb_frontend *fe) { struct tda18271_priv *priv = fe->tuner_priv; @@ -355,24 +370,15 @@ int tda18271_init_regs(struct dvb_frontend *fe) regs[R_MD2] = 0x08; regs[R_MD3] = 0x00; - switch (priv->id) { - case TDA18271HDC1: - tda18271_write_regs(fe, R_EP3, 11); - break; - case TDA18271HDC2: - tda18271_write_regs(fe, R_EP3, 12); - break; - }; + tda18271_write_regs(fe, R_EP3, 11); if ((priv->id) == TDA18271HDC2) { /* main pll cp source on */ - regs[R_EB4] = 0x61; - tda18271_write_regs(fe, R_EB4, 1); + tda18271_charge_pump_source(fe, TDA18271_MAIN_PLL, 1); msleep(1); /* main pll cp source off */ - regs[R_EB4] = 0x41; - tda18271_write_regs(fe, R_EB4, 1); + tda18271_charge_pump_source(fe, TDA18271_MAIN_PLL, 0); } msleep(5); /* pll locking */ @@ -430,6 +436,7 @@ int tda18271_init_regs(struct dvb_frontend *fe) tda18271_write_regs(fe, R_EP3, 11); msleep(5); /* pll locking */ + /* launch detector */ #if 0 regs[R_EP1] = 0xc6; /* already set */ #endif |