diff options
Diffstat (limited to 'drivers/media/dvb/dvb-usb/dvb-usb-i2c.c')
-rw-r--r-- | drivers/media/dvb/dvb-usb/dvb-usb-i2c.c | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/drivers/media/dvb/dvb-usb/dvb-usb-i2c.c b/drivers/media/dvb/dvb-usb/dvb-usb-i2c.c index 9b254532af4d..6b611a725093 100644 --- a/drivers/media/dvb/dvb-usb/dvb-usb-i2c.c +++ b/drivers/media/dvb/dvb-usb/dvb-usb-i2c.c @@ -46,7 +46,7 @@ int dvb_usb_i2c_exit(struct dvb_usb_device *d) return 0; } -int dvb_usb_pll_init_i2c(struct dvb_frontend *fe) +int dvb_usb_tuner_init_i2c(struct dvb_frontend *fe) { struct dvb_usb_device *d = fe->dvb->priv; struct i2c_msg msg = { .addr = d->pll_addr, .flags = 0, .buf = d->pll_init, .len = 4 }; @@ -63,6 +63,8 @@ int dvb_usb_pll_init_i2c(struct dvb_frontend *fe) deb_pll("pll-buf: %x %x %x %x\n",d->pll_init[0],d->pll_init[1], d->pll_init[2],d->pll_init[3]); + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 1); if (i2c_transfer (&d->i2c_adap, &msg, 1) != 1) { err("tuner i2c write failed for pll_init."); ret = -EREMOTEIO; @@ -73,38 +75,42 @@ int dvb_usb_pll_init_i2c(struct dvb_frontend *fe) d->tuner_pass_ctrl(fe,0,d->pll_addr); return ret; } -EXPORT_SYMBOL(dvb_usb_pll_init_i2c); +EXPORT_SYMBOL(dvb_usb_tuner_init_i2c); -int dvb_usb_pll_set(struct dvb_frontend *fe, struct dvb_frontend_parameters *fep, u8 b[5]) +int dvb_usb_tuner_calc_regs(struct dvb_frontend *fe, struct dvb_frontend_parameters *fep, u8 *b, int buf_len) { struct dvb_usb_device *d = fe->dvb->priv; + if (buf_len != 5) + return -EINVAL; if (d->pll_desc == NULL) return 0; deb_pll("pll addr: %x, freq: %d %p\n",d->pll_addr,fep->frequency,d->pll_desc); - b[0] = d->pll_addr << 1; + b[0] = d->pll_addr; dvb_pll_configure(d->pll_desc,&b[1],fep->frequency,fep->u.ofdm.bandwidth); deb_pll("pll-buf: %x %x %x %x %x\n",b[0],b[1],b[2],b[3],b[4]); - return 0; + return 5; } -EXPORT_SYMBOL(dvb_usb_pll_set); +EXPORT_SYMBOL(dvb_usb_tuner_calc_regs); -int dvb_usb_pll_set_i2c(struct dvb_frontend *fe, struct dvb_frontend_parameters *fep) +int dvb_usb_tuner_set_params_i2c(struct dvb_frontend *fe, struct dvb_frontend_parameters *fep) { struct dvb_usb_device *d = fe->dvb->priv; int ret = 0; u8 b[5]; struct i2c_msg msg = { .addr = d->pll_addr, .flags = 0, .buf = &b[1], .len = 4 }; - dvb_usb_pll_set(fe,fep,b); + dvb_usb_tuner_calc_regs(fe,fep,b,5); if (d->tuner_pass_ctrl) d->tuner_pass_ctrl(fe,1,d->pll_addr); + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 1); if (i2c_transfer (&d->i2c_adap, &msg, 1) != 1) { err("tuner i2c write failed for pll_set."); ret = -EREMOTEIO; @@ -116,4 +122,4 @@ int dvb_usb_pll_set_i2c(struct dvb_frontend *fe, struct dvb_frontend_parameters return ret; } -EXPORT_SYMBOL(dvb_usb_pll_set_i2c); +EXPORT_SYMBOL(dvb_usb_tuner_set_params_i2c); |