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path: root/drivers/media/dvb/frontends/cx22700.c
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Diffstat (limited to 'drivers/media/dvb/frontends/cx22700.c')
-rw-r--r--drivers/media/dvb/frontends/cx22700.c32
1 files changed, 19 insertions, 13 deletions
diff --git a/drivers/media/dvb/frontends/cx22700.c b/drivers/media/dvb/frontends/cx22700.c
index 755f774f6b7..13ad1bfae66 100644
--- a/drivers/media/dvb/frontends/cx22700.c
+++ b/drivers/media/dvb/frontends/cx22700.c
@@ -34,8 +34,6 @@ struct cx22700_state {
struct i2c_adapter* i2c;
- struct dvb_frontend_ops ops;
-
const struct cx22700_config* config;
struct dvb_frontend frontend;
@@ -136,6 +134,7 @@ static int cx22700_set_tps (struct cx22700_state *state, struct dvb_ofdm_paramet
return -EINVAL;
if (p->code_rate_LP < FEC_1_2 || p->code_rate_LP > FEC_7_8)
+ return -EINVAL;
if (p->code_rate_HP == FEC_4_5 || p->code_rate_LP == FEC_4_5)
return -EINVAL;
@@ -247,12 +246,6 @@ static int cx22700_init (struct dvb_frontend* fe)
cx22700_writereg (state, 0x00, 0x01);
- if (state->config->pll_init) {
- cx22700_writereg (state, 0x0a, 0x00); /* open i2c bus switch */
- state->config->pll_init(fe);
- cx22700_writereg (state, 0x0a, 0x01); /* close i2c bus switch */
- }
-
return 0;
}
@@ -333,9 +326,11 @@ static int cx22700_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_par
cx22700_writereg (state, 0x00, 0x02); /* XXX CHECKME: soft reset*/
cx22700_writereg (state, 0x00, 0x00);
- cx22700_writereg (state, 0x0a, 0x00); /* open i2c bus switch */
- state->config->pll_set(fe, p);
- cx22700_writereg (state, 0x0a, 0x01); /* close i2c bus switch */
+ if (fe->ops.tuner_ops.set_params) {
+ fe->ops.tuner_ops.set_params(fe, p);
+ if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 0);
+ }
+
cx22700_set_inversion (state, p->inversion);
cx22700_set_tps (state, &p->u.ofdm);
cx22700_writereg (state, 0x37, 0x01); /* PAL loop filter off */
@@ -353,6 +348,17 @@ static int cx22700_get_frontend(struct dvb_frontend* fe, struct dvb_frontend_par
return cx22700_get_tps (state, &p->u.ofdm);
}
+static int cx22700_i2c_gate_ctrl(struct dvb_frontend* fe, int enable)
+{
+ struct cx22700_state* state = fe->demodulator_priv;
+
+ if (enable) {
+ return cx22700_writereg(state, 0x0a, 0x00);
+ } else {
+ return cx22700_writereg(state, 0x0a, 0x01);
+ }
+}
+
static int cx22700_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings* fesettings)
{
fesettings->min_delay_ms = 150;
@@ -381,13 +387,12 @@ struct dvb_frontend* cx22700_attach(const struct cx22700_config* config,
/* setup the state */
state->config = config;
state->i2c = i2c;
- memcpy(&state->ops, &cx22700_ops, sizeof(struct dvb_frontend_ops));
/* check if the demod is there */
if (cx22700_readreg(state, 0x07) < 0) goto error;
/* create dvb_frontend */
- state->frontend.ops = &state->ops;
+ memcpy(&state->frontend.ops, &cx22700_ops, sizeof(struct dvb_frontend_ops));
state->frontend.demodulator_priv = state;
return &state->frontend;
@@ -413,6 +418,7 @@ static struct dvb_frontend_ops cx22700_ops = {
.release = cx22700_release,
.init = cx22700_init,
+ .i2c_gate_ctrl = cx22700_i2c_gate_ctrl,
.set_frontend = cx22700_set_frontend,
.get_frontend = cx22700_get_frontend,