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authorMichael Krufky <mkrufky@kernellabs.com>2009-10-23 03:20:45 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2009-12-05 18:40:55 -0200
commit42f9a03ed3ddcccc5372bf4774afc8c4273c6c3a (patch)
treebff1c5de6b7fd40c0a7bb099be07f53c8d1a99e9 /drivers/media/common
parent1724c8fa7eb33d68898e060a08a8e6a88348b62f (diff)
V4L/DVB (13215): tda18271: add support for the set_config method
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>
Diffstat (limited to 'drivers/media/common')
-rw-r--r--drivers/media/common/tuners/tda18271-fe.c39
1 files changed, 26 insertions, 13 deletions
diff --git a/drivers/media/common/tuners/tda18271-fe.c b/drivers/media/common/tuners/tda18271-fe.c
index eb772415886..ecb65802725 100644
--- a/drivers/media/common/tuners/tda18271-fe.c
+++ b/drivers/media/common/tuners/tda18271-fe.c
@@ -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,