diff options
| author | Mauro Carvalho Chehab <mchehab@infradead.org> | 2006-12-04 08:31:38 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2006-12-10 09:05:52 -0200 |
| commit | 483deb0f2b38060c1f2de216c09f05b1869b0d52 (patch) | |
| tree | 1c7158b274e826dbcfa57169effff84a0b35c2ae | |
| parent | cefccc8011c58b559498396f0ccefa0a0ffa3f53 (diff) | |
| download | op-kernel-dev-483deb0f2b38060c1f2de216c09f05b1869b0d52.zip op-kernel-dev-483deb0f2b38060c1f2de216c09f05b1869b0d52.tar.gz | |
V4L/DVB (4935): Added the capability of selecting fm gain by tuner
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-- | drivers/media/video/tuner-simple.c | 2 | ||||
| -rw-r--r-- | include/media/tuner-types.h | 4 |
2 files changed, 6 insertions, 0 deletions
diff --git a/drivers/media/video/tuner-simple.c b/drivers/media/video/tuner-simple.c index fcf8693..1b9b074 100644 --- a/drivers/media/video/tuner-simple.c +++ b/drivers/media/video/tuner-simple.c @@ -467,6 +467,8 @@ 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/include/media/tuner-types.h b/include/media/tuner-types.h index 37dad07..e5ad3fc 100644 --- a/include/media/tuner-types.h +++ b/include/media/tuner-types.h @@ -50,6 +50,10 @@ 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. */ |
