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-rw-r--r--drivers/media/dvb-frontends/stv0367.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/media/dvb-frontends/stv0367.c b/drivers/media/dvb-frontends/stv0367.c
index fd49c436a36d..fc80934387dd 100644
--- a/drivers/media/dvb-frontends/stv0367.c
+++ b/drivers/media/dvb-frontends/stv0367.c
@@ -89,6 +89,8 @@ struct stv0367_state {
struct stv0367cab_state *cab_state;
/* DVB-T */
struct stv0367ter_state *ter_state;
+ /* flags for operation control */
+ u8 use_i2c_gatectrl;
};
struct st_register {
@@ -1827,10 +1829,10 @@ static int stv0367ter_set_frontend(struct dvb_frontend *fe)
stv0367ter_init(fe);
if (fe->ops.tuner_ops.set_params) {
- if (fe->ops.i2c_gate_ctrl)
+ if (state->use_i2c_gatectrl && fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 1);
fe->ops.tuner_ops.set_params(fe);
- if (fe->ops.i2c_gate_ctrl)
+ if (state->use_i2c_gatectrl && fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 0);
}
@@ -2321,6 +2323,9 @@ struct dvb_frontend *stv0367ter_attach(const struct stv0367_config *config,
state->fe.demodulator_priv = state;
state->chip_id = stv0367_readreg(state, 0xf000);
+ /* demod operation options */
+ state->use_i2c_gatectrl = 1;
+
dprintk("%s: chip_id = 0x%x\n", __func__, state->chip_id);
/* check if the demod is there */
@@ -3120,10 +3125,10 @@ static int stv0367cab_set_frontend(struct dvb_frontend *fe)
/* Tuner Frequency Setting */
if (fe->ops.tuner_ops.set_params) {
- if (fe->ops.i2c_gate_ctrl)
+ if (state->use_i2c_gatectrl && fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 1);
fe->ops.tuner_ops.set_params(fe);
- if (fe->ops.i2c_gate_ctrl)
+ if (state->use_i2c_gatectrl && fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 0);
}
@@ -3437,6 +3442,9 @@ struct dvb_frontend *stv0367cab_attach(const struct stv0367_config *config,
state->fe.demodulator_priv = state;
state->chip_id = stv0367_readreg(state, 0xf000);
+ /* demod operation options */
+ state->use_i2c_gatectrl = 1;
+
dprintk("%s: chip_id = 0x%x\n", __func__, state->chip_id);
/* check if the demod is there */