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path: root/drivers/media/dvb/frontends/zl10353.c
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Diffstat (limited to 'drivers/media/dvb/frontends/zl10353.c')
-rw-r--r--drivers/media/dvb/frontends/zl10353.c30
1 files changed, 26 insertions, 4 deletions
diff --git a/drivers/media/dvb/frontends/zl10353.c b/drivers/media/dvb/frontends/zl10353.c
index d7d9f59..2b95e8b 100644
--- a/drivers/media/dvb/frontends/zl10353.c
+++ b/drivers/media/dvb/frontends/zl10353.c
@@ -34,7 +34,6 @@
struct zl10353_state {
struct i2c_adapter *i2c;
struct dvb_frontend frontend;
- struct dvb_frontend_ops ops;
struct zl10353_config config;
};
@@ -126,6 +125,7 @@ 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. */
@@ -142,7 +142,30 @@ static int zl10353_set_parameters(struct dvb_frontend *fe,
zl10353_single_write(fe, 0x66, 0xE9);
zl10353_single_write(fe, 0x62, 0x0A);
- state->config.pll_set(fe, param, pllbuf + 1);
+ // 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.calc_regs) {
+ fe->ops.tuner_ops.calc_regs(fe, param, pllbuf+1, 5);
+ pllbuf[1] <<= 1;
+ } 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);
@@ -254,14 +277,13 @@ struct dvb_frontend *zl10353_attach(const struct zl10353_config *config,
/* setup the state */
state->i2c = i2c;
memcpy(&state->config, config, sizeof(struct zl10353_config));
- memcpy(&state->ops, &zl10353_ops, sizeof(struct dvb_frontend_ops));
/* check if the demod is there */
if (zl10353_read_register(state, CHIP_ID) != ID_ZL10353)
goto error;
/* create dvb_frontend */
- state->frontend.ops = &state->ops;
+ memcpy(&state->frontend.ops, &zl10353_ops, sizeof(struct dvb_frontend_ops));
state->frontend.demodulator_priv = state;
return &state->frontend;