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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 d7d9f59d76d2..2b95e8b6cd39 100644
--- a/drivers/media/dvb/frontends/zl10353.c
+++ b/drivers/media/dvb/frontends/zl10353.c
@@ -34,7 +34,6 @@
34struct zl10353_state { 34struct zl10353_state {
35 struct i2c_adapter *i2c; 35 struct i2c_adapter *i2c;
36 struct dvb_frontend frontend; 36 struct dvb_frontend frontend;
37 struct dvb_frontend_ops ops;
38 37
39 struct zl10353_config config; 38 struct zl10353_config config;
40}; 39};
@@ -126,6 +125,7 @@ static int zl10353_set_parameters(struct dvb_frontend *fe,
126 struct dvb_frontend_parameters *param) 125 struct dvb_frontend_parameters *param)
127{ 126{
128 struct zl10353_state *state = fe->demodulator_priv; 127 struct zl10353_state *state = fe->demodulator_priv;
128
129 u8 pllbuf[6] = { 0x67 }; 129 u8 pllbuf[6] = { 0x67 };
130 130
131 /* These settings set "auto-everything" and start the FSM. */ 131 /* These settings set "auto-everything" and start the FSM. */
@@ -142,7 +142,30 @@ static int zl10353_set_parameters(struct dvb_frontend *fe,
142 zl10353_single_write(fe, 0x66, 0xE9); 142 zl10353_single_write(fe, 0x66, 0xE9);
143 zl10353_single_write(fe, 0x62, 0x0A); 143 zl10353_single_write(fe, 0x62, 0x0A);
144 144
145 state->config.pll_set(fe, param, pllbuf + 1); 145 // if there is no attached secondary tuner, we call set_params to program
146 // a potential tuner attached somewhere else
147 if (state->config.no_tuner) {
148 if (fe->ops.tuner_ops.set_params) {
149 fe->ops.tuner_ops.set_params(fe, param);
150 if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 0);
151 }
152 }
153
154 // if pllbuf is defined, retrieve the settings
155 if (fe->ops.tuner_ops.calc_regs) {
156 fe->ops.tuner_ops.calc_regs(fe, param, pllbuf+1, 5);
157 pllbuf[1] <<= 1;
158 } else {
159 // fake pllbuf settings
160 pllbuf[1] = 0x61 << 1;
161 pllbuf[2] = 0;
162 pllbuf[3] = 0;
163 pllbuf[3] = 0;
164 pllbuf[4] = 0;
165 }
166
167 // there is no call to _just_ start decoding, so we send the pllbuf anyway
168 // even if there isn't a PLL attached to the secondary bus
146 zl10353_write(fe, pllbuf, sizeof(pllbuf)); 169 zl10353_write(fe, pllbuf, sizeof(pllbuf));
147 170
148 zl10353_single_write(fe, 0x70, 0x01); 171 zl10353_single_write(fe, 0x70, 0x01);
@@ -254,14 +277,13 @@ struct dvb_frontend *zl10353_attach(const struct zl10353_config *config,
254 /* setup the state */ 277 /* setup the state */
255 state->i2c = i2c; 278 state->i2c = i2c;
256 memcpy(&state->config, config, sizeof(struct zl10353_config)); 279 memcpy(&state->config, config, sizeof(struct zl10353_config));
257 memcpy(&state->ops, &zl10353_ops, sizeof(struct dvb_frontend_ops));
258 280
259 /* check if the demod is there */ 281 /* check if the demod is there */
260 if (zl10353_read_register(state, CHIP_ID) != ID_ZL10353) 282 if (zl10353_read_register(state, CHIP_ID) != ID_ZL10353)
261 goto error; 283 goto error;
262 284
263 /* create dvb_frontend */ 285 /* create dvb_frontend */
264 state->frontend.ops = &state->ops; 286 memcpy(&state->frontend.ops, &zl10353_ops, sizeof(struct dvb_frontend_ops));
265 state->frontend.demodulator_priv = state; 287 state->frontend.demodulator_priv = state;
266 288
267 return &state->frontend; 289 return &state->frontend;