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V4L/DVB (13215): tda18271: add support for the set_config method

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Add the set_config method to allow drivers to configure the
tda18271 driver options after attach.

Signed-off-by: Michael Krufky <mkrufky@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Michael Krufky 2009-10-23 03:20:45 -03:00 committed by Mauro Carvalho Chehab
parent 1724c8fa7e
commit 42f9a03ed3
1 changed files with 26 additions and 13 deletions
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39
drivers/media/common/tuners/tda18271-fe.c
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@ -1185,6 +1185,26 @@ static int tda18271_get_id(struct dvb_frontend *fe)
return ret;
}
static int tda18271_set_config(struct dvb_frontend *fe, void *priv_cfg)
{
struct tda18271_priv *priv = fe->tuner_priv;
struct tda18271_config *cfg = (struct tda18271_config *) priv_cfg;
priv->gate = (cfg) ? cfg->gate : TDA18271_GATE_AUTO;
priv->role = (cfg) ? cfg->role : TDA18271_MASTER;
priv->config = (cfg) ? cfg->config : 0;
priv->small_i2c = (cfg) ?
cfg->small_i2c : TDA18271_39_BYTE_CHUNK_INIT;
priv->output_opt = (cfg) ?
cfg->output_opt : TDA18271_OUTPUT_LT_XT_ON;
/* override default std map with values in config struct */
if ((cfg) && (cfg->std_map))
tda18271_update_std_map(fe, cfg->std_map);
return 0;
}
static struct dvb_tuner_ops tda18271_tuner_ops = {
.info = {
.name = "NXP TDA18271HD",
@ -1197,6 +1217,7 @@ static struct dvb_tuner_ops tda18271_tuner_ops = {
.set_params = tda18271_set_params,
.set_analog_params = tda18271_set_analog_params,
.release = tda18271_release,
.set_config = tda18271_set_config,
.get_frequency = tda18271_get_frequency,
.get_bandwidth = tda18271_get_bandwidth,
};
@ -1221,13 +1242,9 @@ struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr,
/* new tuner instance */
int rf_cal_on_startup;
priv->gate = (cfg) ? cfg->gate : TDA18271_GATE_AUTO;
priv->role = (cfg) ? cfg->role : TDA18271_MASTER;
priv->config = (cfg) ? cfg->config : 0;
priv->small_i2c = (cfg) ?
cfg->small_i2c : TDA18271_39_BYTE_CHUNK_INIT;
priv->output_opt = (cfg) ?
cfg->output_opt : TDA18271_OUTPUT_LT_XT_ON;
fe->tuner_priv = priv;
tda18271_set_config(fe, cfg);
/* tda18271_cal_on_startup == -1 when cal
* module option is unset */
@ -1243,8 +1260,6 @@ struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr,
priv->cal_initialized = false;
mutex_init(&priv->lock);
fe->tuner_priv = priv;
if (tda_fail(tda18271_get_id(fe)))
goto fail;
@ -1276,14 +1291,12 @@ struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr,
priv->small_i2c = cfg->small_i2c;
if (cfg->output_opt)
priv->output_opt = cfg->output_opt;
if (cfg->std_map)
tda18271_update_std_map(fe, cfg->std_map);
}
break;
}
/* override default std map with values in config struct */
if ((cfg) && (cfg->std_map))
tda18271_update_std_map(fe, cfg->std_map);
mutex_unlock(&tda18271_list_mutex);
memcpy(&fe->ops.tuner_ops, &tda18271_tuner_ops,