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path: root/drivers/media/dvb/frontends/tda10021.c
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Diffstat (limited to 'drivers/media/dvb/frontends/tda10021.c')
-rw-r--r--drivers/media/dvb/frontends/tda10021.c40
1 files changed, 26 insertions, 14 deletions
diff --git a/drivers/media/dvb/frontends/tda10021.c b/drivers/media/dvb/frontends/tda10021.c
index 21255cac979..9cbd164aa28 100644
--- a/drivers/media/dvb/frontends/tda10021.c
+++ b/drivers/media/dvb/frontends/tda10021.c
@@ -21,7 +21,6 @@
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
-#include <linux/config.h>
#include <linux/delay.h>
#include <linux/errno.h>
#include <linux/init.h>
@@ -36,7 +35,6 @@
struct tda10021_state {
struct i2c_adapter* i2c;
- struct dvb_frontend_ops ops;
/* configuration settings */
const struct tda10021_config* config;
struct dvb_frontend frontend;
@@ -90,6 +88,14 @@ static int tda10021_writereg (struct tda10021_state* state, u8 reg, u8 data)
return (ret != 1) ? -EREMOTEIO : 0;
}
+int tda10021_write_byte(struct dvb_frontend* fe, int reg, int data)
+{
+ struct tda10021_state* state = fe->demodulator_priv;
+
+ return tda10021_writereg(state, reg, data);
+}
+EXPORT_SYMBOL(tda10021_write_byte);
+
static u8 tda10021_readreg (struct tda10021_state* state, u8 reg)
{
u8 b0 [] = { reg };
@@ -225,13 +231,6 @@ static int tda10021_init (struct dvb_frontend *fe)
//Activate PLL
tda10021_writereg(state, 0x2a, tda10021_inittab[0x2a] & 0xef);
-
- if (state->config->pll_init) {
- lock_tuner(state);
- state->config->pll_init(fe);
- unlock_tuner(state);
- }
-
return 0;
}
@@ -259,9 +258,10 @@ static int tda10021_set_parameters (struct dvb_frontend *fe,
//printk("tda10021: set frequency to %d qam=%d symrate=%d\n", p->frequency,qam,p->u.qam.symbol_rate);
- lock_tuner(state);
- state->config->pll_set(fe, p);
- unlock_tuner(state);
+ 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);
+ }
tda10021_set_symbolrate (state, p->u.qam.symbol_rate);
tda10021_writereg (state, 0x34, state->pwm);
@@ -376,6 +376,18 @@ static int tda10021_get_frontend(struct dvb_frontend* fe, struct dvb_frontend_pa
return 0;
}
+static int tda10021_i2c_gate_ctrl(struct dvb_frontend* fe, int enable)
+{
+ struct tda10021_state* state = fe->demodulator_priv;
+
+ if (enable) {
+ lock_tuner(state);
+ } else {
+ unlock_tuner(state);
+ }
+ return 0;
+}
+
static int tda10021_sleep(struct dvb_frontend* fe)
{
struct tda10021_state* state = fe->demodulator_priv;
@@ -407,7 +419,6 @@ struct dvb_frontend* tda10021_attach(const struct tda10021_config* config,
/* setup the state */
state->config = config;
state->i2c = i2c;
- memcpy(&state->ops, &tda10021_ops, sizeof(struct dvb_frontend_ops));
state->pwm = pwm;
state->reg0 = tda10021_inittab[0];
@@ -415,7 +426,7 @@ struct dvb_frontend* tda10021_attach(const struct tda10021_config* config,
if ((tda10021_readreg(state, 0x1a) & 0xf0) != 0x70) goto error;
/* create dvb_frontend */
- state->frontend.ops = &state->ops;
+ memcpy(&state->frontend.ops, &tda10021_ops, sizeof(struct dvb_frontend_ops));
state->frontend.demodulator_priv = state;
return &state->frontend;
@@ -448,6 +459,7 @@ static struct dvb_frontend_ops tda10021_ops = {
.init = tda10021_init,
.sleep = tda10021_sleep,
+ .i2c_gate_ctrl = tda10021_i2c_gate_ctrl,
.set_frontend = tda10021_set_parameters,
.get_frontend = tda10021_get_frontend,