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authorAndrew de Quincey <adq_dvb@lidskialf.net>2006-04-18 17:47:09 -0300
committerMauro Carvalho Chehab <mchehab@infradead.org>2006-06-25 01:58:35 -0300
commita81870e00bf502db2c579dcb9721adab3775ba58 (patch)
treef235348748b929e42aadc6a2dd5314fa6308b689 /drivers/media
parent0244422220f149d2e930deab89515fd5ca9a6bdd (diff)
V4L/DVB (3849): Convert mt312 to refactored tuner code
Convert to tuner_ops calls. Remove pll function pointers from structure. Remove unneeded tuner calls. Add i2c gate control function. Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media')
-rw-r--r--drivers/media/dvb/frontends/mt312.c25
-rw-r--r--drivers/media/dvb/frontends/mt312.h4
2 files changed, 16 insertions, 13 deletions
diff --git a/drivers/media/dvb/frontends/mt312.c b/drivers/media/dvb/frontends/mt312.c
index d3aea83cf21..46e12a8acf7 100644
--- a/drivers/media/dvb/frontends/mt312.c
+++ b/drivers/media/dvb/frontends/mt312.c
@@ -277,12 +277,6 @@ static int mt312_initfe(struct dvb_frontend* fe)
if ((ret = mt312_writereg(state, CS_SW_LIM, 0x69)) < 0)
return ret;
- if (state->config->pll_init) {
- mt312_writereg(state, GPP_CTRL, 0x40);
- state->config->pll_init(fe);
- mt312_writereg(state, GPP_CTRL, 0x00);
- }
-
return 0;
}
@@ -529,9 +523,10 @@ static int mt312_set_frontend(struct dvb_frontend* fe,
return -EINVAL;
}
- mt312_writereg(state, GPP_CTRL, 0x40);
- state->config->pll_set(fe, p);
- mt312_writereg(state, GPP_CTRL, 0x00);
+ 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);
+ }
/* sr = (u16)(sr * 256.0 / 1000000.0) */
sr = mt312_div(p->u.qpsk.symbol_rate * 4, 15625);
@@ -578,6 +573,17 @@ static int mt312_get_frontend(struct dvb_frontend* fe,
return 0;
}
+static int mt312_i2c_gate_ctrl(struct dvb_frontend* fe, int enable)
+{
+ struct mt312_state* state = fe->demodulator_priv;
+
+ if (enable) {
+ return mt312_writereg(state, GPP_CTRL, 0x40);
+ } else {
+ return mt312_writereg(state, GPP_CTRL, 0x00);
+ }
+}
+
static int mt312_sleep(struct dvb_frontend* fe)
{
struct mt312_state *state = fe->demodulator_priv;
@@ -633,6 +639,7 @@ static struct dvb_frontend_ops vp310_mt312_ops = {
.init = mt312_initfe,
.sleep = mt312_sleep,
+ .i2c_gate_ctrl = mt312_i2c_gate_ctrl,
.set_frontend = mt312_set_frontend,
.get_frontend = mt312_get_frontend,
diff --git a/drivers/media/dvb/frontends/mt312.h b/drivers/media/dvb/frontends/mt312.h
index 074d844f013..666a1bd1c24 100644
--- a/drivers/media/dvb/frontends/mt312.h
+++ b/drivers/media/dvb/frontends/mt312.h
@@ -32,10 +32,6 @@ struct mt312_config
{
/* the demodulator's i2c address */
u8 demod_address;
-
- /* PLL maintenance */
- int (*pll_init)(struct dvb_frontend* fe);
- int (*pll_set)(struct dvb_frontend* fe, struct dvb_frontend_parameters* params);
};
struct dvb_frontend* vp310_mt312_attach(const struct mt312_config* config,