# HG changeset patch # User Mauro Carvalho Chehab # Node ID 4e3545e2299c2ef7f0b657240afda6fd09b6f5c4 # Parent 1abc18fdd0a3ffedca41f88e7be8c3b3427669aa Added the capability of selecting fm gain by tuner From: Mauro Carvalho Chehab Some tuners require using cGainNormal instead of cGainLow for high sensibility on FM reception. Signed-off-by: Mauro Carvalho Chehab diff -r 1abc18fdd0a3 -r 4e3545e2299c linux/drivers/media/video/tuner-simple.c --- a/linux/drivers/media/video/tuner-simple.c Wed Nov 22 04:40:05 2006 -0200 +++ b/linux/drivers/media/video/tuner-simple.c Wed Nov 22 04:54:35 2006 -0200 @@ -501,6 +501,8 @@ static void default_set_radio_freq(struc 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 -r 1abc18fdd0a3 -r 4e3545e2299c linux/include/media/tuner-types.h --- a/linux/include/media/tuner-types.h Wed Nov 22 04:40:05 2006 -0200 +++ b/linux/include/media/tuner-types.h Wed Nov 22 04:54:35 2006 -0200 @@ -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. */