diff options
| author | Hans Verkuil <hverkuil@xs4all.nl> | 2006-08-08 12:10:15 (GMT) |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2006-08-08 18:53:04 (GMT) |
| commit | 43c560fa59ef2688d891f6431e972b7763b73a00 (patch) | |
| tree | 6b58b6764d2f9cac26ba3e646fc8c867bbe1e262 /drivers | |
| parent | e335fada5afef0658038b6bec432d37f332da9fc (diff) | |
| download | linux-43c560fa59ef2688d891f6431e972b7763b73a00.tar.xz | |
V4L/DVB (4419): Turn on the Low Noise Amplifier of the Samsung tuners.
Without the LNA these tuners perform very poorly (read 'unwatchable') when
the signal is weak.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/video/tuner-types.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/media/video/tuner-types.c b/drivers/media/video/tuner-types.c index a167e17..d7eadc2 100644 --- a/drivers/media/video/tuner-types.c +++ b/drivers/media/video/tuner-types.c @@ -1027,10 +1027,11 @@ static struct tuner_params tuner_tnf_5335mf_params[] = { /* 70-79 */ /* ------------ TUNER_SAMSUNG_TCPN_2121P30A - Samsung NTSC ------------ */ +/* '+ 4' turns on the Low Noise Amplifier */ static struct tuner_range tuner_samsung_tcpn_2121p30a_ntsc_ranges[] = { - { 16 * 130.00 /*MHz*/, 0xce, 0x01, }, - { 16 * 364.50 /*MHz*/, 0xce, 0x02, }, - { 16 * 999.99 , 0xce, 0x08, }, + { 16 * 130.00 /*MHz*/, 0xce, 0x01 + 4, }, + { 16 * 364.50 /*MHz*/, 0xce, 0x02 + 4, }, + { 16 * 999.99 , 0xce, 0x08 + 4, }, }; static struct tuner_params tuner_samsung_tcpn_2121p30a_params[] = { @@ -1060,10 +1061,11 @@ static struct tuner_params tuner_thomson_fe6600_params[] = { /* ------------ TUNER_SAMSUNG_TCPG_6121P30A - Samsung PAL ------------ */ +/* '+ 4' turns on the Low Noise Amplifier */ static struct tuner_range tuner_samsung_tcpg_6121p30a_pal_ranges[] = { - { 16 * 146.25 /*MHz*/, 0xce, 0x01, }, - { 16 * 428.50 /*MHz*/, 0xce, 0x02, }, - { 16 * 999.99 , 0xce, 0x08, }, + { 16 * 146.25 /*MHz*/, 0xce, 0x01 + 4, }, + { 16 * 428.50 /*MHz*/, 0xce, 0x02 + 4, }, + { 16 * 999.99 , 0xce, 0x08 + 4, }, }; static struct tuner_params tuner_samsung_tcpg_6121p30a_params[] = { |