diff options
author | Hans Verkuil <hverkuil@xs4all.nl> | 2006-08-08 08:10:15 -0400 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2006-08-08 14:53:04 -0400 |
commit | 43c560fa59ef2688d891f6431e972b7763b73a00 (patch) | |
tree | 6b58b6764d2f9cac26ba3e646fc8c867bbe1e262 | |
parent | e335fada5afef0658038b6bec432d37f332da9fc (diff) |
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>
-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 a167e17c6dcd..d7eadc2c298d 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[] = { | |||
1027 | /* 70-79 */ | 1027 | /* 70-79 */ |
1028 | /* ------------ TUNER_SAMSUNG_TCPN_2121P30A - Samsung NTSC ------------ */ | 1028 | /* ------------ TUNER_SAMSUNG_TCPN_2121P30A - Samsung NTSC ------------ */ |
1029 | 1029 | ||
1030 | /* '+ 4' turns on the Low Noise Amplifier */ | ||
1030 | static struct tuner_range tuner_samsung_tcpn_2121p30a_ntsc_ranges[] = { | 1031 | static struct tuner_range tuner_samsung_tcpn_2121p30a_ntsc_ranges[] = { |
1031 | { 16 * 130.00 /*MHz*/, 0xce, 0x01, }, | 1032 | { 16 * 130.00 /*MHz*/, 0xce, 0x01 + 4, }, |
1032 | { 16 * 364.50 /*MHz*/, 0xce, 0x02, }, | 1033 | { 16 * 364.50 /*MHz*/, 0xce, 0x02 + 4, }, |
1033 | { 16 * 999.99 , 0xce, 0x08, }, | 1034 | { 16 * 999.99 , 0xce, 0x08 + 4, }, |
1034 | }; | 1035 | }; |
1035 | 1036 | ||
1036 | static struct tuner_params tuner_samsung_tcpn_2121p30a_params[] = { | 1037 | static struct tuner_params tuner_samsung_tcpn_2121p30a_params[] = { |
@@ -1060,10 +1061,11 @@ static struct tuner_params tuner_thomson_fe6600_params[] = { | |||
1060 | 1061 | ||
1061 | /* ------------ TUNER_SAMSUNG_TCPG_6121P30A - Samsung PAL ------------ */ | 1062 | /* ------------ TUNER_SAMSUNG_TCPG_6121P30A - Samsung PAL ------------ */ |
1062 | 1063 | ||
1064 | /* '+ 4' turns on the Low Noise Amplifier */ | ||
1063 | static struct tuner_range tuner_samsung_tcpg_6121p30a_pal_ranges[] = { | 1065 | static struct tuner_range tuner_samsung_tcpg_6121p30a_pal_ranges[] = { |
1064 | { 16 * 146.25 /*MHz*/, 0xce, 0x01, }, | 1066 | { 16 * 146.25 /*MHz*/, 0xce, 0x01 + 4, }, |
1065 | { 16 * 428.50 /*MHz*/, 0xce, 0x02, }, | 1067 | { 16 * 428.50 /*MHz*/, 0xce, 0x02 + 4, }, |
1066 | { 16 * 999.99 , 0xce, 0x08, }, | 1068 | { 16 * 999.99 , 0xce, 0x08 + 4, }, |
1067 | }; | 1069 | }; |
1068 | 1070 | ||
1069 | static struct tuner_params tuner_samsung_tcpg_6121p30a_params[] = { | 1071 | static struct tuner_params tuner_samsung_tcpg_6121p30a_params[] = { |