diff options
Diffstat (limited to 'drivers/media/dvb')
| -rw-r--r-- | drivers/media/dvb/frontends/zl10353.c | 24 | ||||
| -rw-r--r-- | drivers/media/dvb/frontends/zl10353.h | 3 |
2 files changed, 26 insertions, 1 deletions
diff --git a/drivers/media/dvb/frontends/zl10353.c b/drivers/media/dvb/frontends/zl10353.c index 73fe40b50fc..1234eb0070d 100644 --- a/drivers/media/dvb/frontends/zl10353.c +++ b/drivers/media/dvb/frontends/zl10353.c @@ -125,6 +125,8 @@ static int zl10353_sleep(struct dvb_frontend *fe) static int zl10353_set_parameters(struct dvb_frontend *fe, struct dvb_frontend_parameters *param) { + struct zl10353_state *state = fe->demodulator_priv; + u8 pllbuf[6] = { 0x67 }; /* These settings set "auto-everything" and start the FSM. */ @@ -141,12 +143,32 @@ static int zl10353_set_parameters(struct dvb_frontend *fe, zl10353_single_write(fe, 0x66, 0xE9); zl10353_single_write(fe, 0x62, 0x0A); + // if there is no attached secondary tuner, we call set_params to program + // a potential tuner attached somewhere else + if (state->config.no_tuner) { + if (fe->ops->tuner_ops.set_params) { + fe->ops->tuner_ops.set_params(fe, param); + if (fe->ops->i2c_gate_ctrl) fe->ops->i2c_gate_ctrl(fe, 0); + } + } + + // if pllbuf is defined, retrieve the settings if (fe->ops->tuner_ops.pllbuf) { fe->ops->tuner_ops.pllbuf(fe, param, pllbuf+1, 5); pllbuf[1] <<= 1; - zl10353_write(fe, pllbuf, sizeof(pllbuf)); + } else { + // fake pllbuf settings + pllbuf[1] = 0x61 << 1; + pllbuf[2] = 0; + pllbuf[3] = 0; + pllbuf[3] = 0; + pllbuf[4] = 0; } + // there is no call to _just_ start decoding, so we send the pllbuf anyway + // even if there isn't a PLL attached to the secondary bus + zl10353_write(fe, pllbuf, sizeof(pllbuf)); + zl10353_single_write(fe, 0x70, 0x01); udelay(250); zl10353_single_write(fe, 0xE4, 0x00); diff --git a/drivers/media/dvb/frontends/zl10353.h b/drivers/media/dvb/frontends/zl10353.h index 63c36ec02ad..9770cb840cf 100644 --- a/drivers/media/dvb/frontends/zl10353.h +++ b/drivers/media/dvb/frontends/zl10353.h @@ -28,6 +28,9 @@ struct zl10353_config { /* demodulator's I2C address */ u8 demod_address; + + /* set if no pll is connected to the secondary i2c bus */ + int no_tuner; }; extern struct dvb_frontend* zl10353_attach(const struct zl10353_config *config, |