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V4L/DVB (4419): Turn on the Low Noise Amplifier of the Samsung tuners.

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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>
This commit is contained in:
Hans Verkuil 2006-08-08 09:10:15 -03:00 committed by Mauro Carvalho Chehab
parent e335fada5a
commit 43c560fa59
1 changed files with 8 additions and 6 deletions
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14
drivers/media/video/tuner-types.c
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@ -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[] = {