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| author | Mauro Carvalho Chehab <mchehab@infradead.org> | 2006-12-04 09:31:38 -0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2006-12-04 09:31:38 -0200 |
| commit | 84bcc4129a123027b89ac4d15421c84e992913f7 (patch) | |
| tree | f2920bb263e7376ee0e95d0da9bca6626672af55 | |
| parent | b32f817f3ce7515de06fa1513b37597860ef47a4 (diff) | |
| download | mediapointer-dvb-s2-84bcc4129a123027b89ac4d15421c84e992913f7.tar.gz mediapointer-dvb-s2-84bcc4129a123027b89ac4d15421c84e992913f7.tar.bz2 | |
Added the capability of selecting fm gain by tuner
From: Mauro Carvalho Chehab <mchehab@infradead.org>
Some tuners require using cGainNormal instead of cGainLow for
high sensibility on FM reception.
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
| -rw-r--r-- | linux/drivers/media/video/tuner-simple.c | 2 | ||||
| -rw-r--r-- | linux/include/media/tuner-types.h | 4 |
2 files changed, 6 insertions, 0 deletions
diff --git a/linux/drivers/media/video/tuner-simple.c b/linux/drivers/media/video/tuner-simple.c index ccb591e07..16469d905 100644 --- a/linux/drivers/media/video/tuner-simple.c +++ b/linux/drivers/media/video/tuner-simple.c @@ -503,6 +503,8 @@ static void default_set_radio_freq(struct i2c_client *c, unsigned int freq) config |= TDA9887_INTERCARRIER; /* if (params->port1_set_for_fm_mono) config &= ~TDA9887_PORT1_ACTIVE;*/ + if (params->fm_gain_normal) + config |= TDA9887_GAIN_NORMAL; i2c_clients_command(c->adapter, TDA9887_SET_CONFIG, &config); } if (4 != (rc = i2c_master_send(c,buffer,4))) diff --git a/linux/include/media/tuner-types.h b/linux/include/media/tuner-types.h index 7432ba276..0998fb26b 100644 --- a/linux/include/media/tuner-types.h +++ b/linux/include/media/tuner-types.h @@ -57,6 +57,10 @@ struct tuner_params { sensitivity. If this setting is 1, then set PORT2 to 1 to get proper FM reception. */ unsigned int port2_fm_high_sensitivity:1; + /* Some Philips tuners use tda9887 cGainNormal to select the FM radio + sensitivity. If this setting is 1, e register will use cGainNormal + instead of cGainLow. */ + unsigned int fm_gain_normal:1; /* Most tuners with a tda9887 use QSS mode. Some (cheaper) tuners use Intercarrier mode. If this setting is 1, then the tuner needs to be set to intercarrier mode. */ |