diff options
| author | Michael Krufky <mkrufky@kernellabs.com> | 2009-10-23 08:20:45 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-12-05 21:40:55 +0100 |
| commit | 42f9a03ed3ddcccc5372bf4774afc8c4273c6c3a (patch) | |
| tree | bff1c5de6b7fd40c0a7bb099be07f53c8d1a99e9 /drivers/media/common | |
| parent | V4L/DVB (13214): tda18271: allow for i2c buses that cant send 16 bytes at once (diff) | |
| download | linux-42f9a03ed3ddcccc5372bf4774afc8c4273c6c3a.tar.xz linux-42f9a03ed3ddcccc5372bf4774afc8c4273c6c3a.zip | |
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.c | 39 |
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 eb7724158861..ecb65802725f 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, |