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| author | Chris Pascoe <c.pascoe@itee.uq.edu.au> | 2006-01-09 18:21:31 -0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@brturbo.com.br> | 2006-01-09 18:21:31 -0200 |
| commit | 3d7d027a9bf41437aa93baf14a1aada521ad9b12 (patch) | |
| tree | d53b9ab9cc50a9a3d02eea76fea2dc8a9c9d3a5e /drivers/media | |
| parent | a07e60961e4c9cce911a6935bdc90e20c1c97c63 (diff) | |
| download | linux-3d7d027a9bf41437aa93baf14a1aada521ad9b12.tar.gz linux-3d7d027a9bf41437aa93baf14a1aada521ad9b12.tar.bz2 linux-3d7d027a9bf41437aa93baf14a1aada521ad9b12.zip | |
V4L/DVB (3315): Use correct AGC settings for DNTV Live! DVB-T Pro
- My original settings for this board were incorrect and resulted in
an increased number of signal dropouts. Replace this with the settings
from the Windows driver.
Signed-off-by: Chris Pascoe <c.pascoe@itee.uq.edu.au>
Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/video/cx88/cx88-dvb.c | 29 |
1 files changed, 26 insertions, 3 deletions
diff --git a/drivers/media/video/cx88/cx88-dvb.c b/drivers/media/video/cx88/cx88-dvb.c index 8a5997bf4ccd..42c012aaa849 100644 --- a/drivers/media/video/cx88/cx88-dvb.c +++ b/drivers/media/video/cx88/cx88-dvb.c @@ -112,7 +112,7 @@ static struct videobuf_queue_ops dvb_qops = { /* ------------------------------------------------------------------ */ #ifdef HAVE_MT352 -static int generic_mt352_demod_init(struct dvb_frontend* fe) +static int dvico_fusionhdtv_demod_init(struct dvb_frontend* fe) { static u8 clock_config [] = { CLOCK_CTL, 0x38, 0x39 }; static u8 reset [] = { RESET, 0x80 }; @@ -191,7 +191,7 @@ static int mt352_pll_set(struct dvb_frontend* fe, static struct mt352_config dvico_fusionhdtv = { .demod_address = 0x0F, - .demod_init = generic_mt352_demod_init, + .demod_init = dvico_fusionhdtv_demod_init, .pll_set = mt352_pll_set, }; @@ -208,6 +208,29 @@ static struct mt352_config dvico_fusionhdtv_dual = { }; #ifdef HAVE_VP3054_I2C +static int dntv_live_dvbt_pro_demod_init(struct dvb_frontend* fe) +{ + static u8 clock_config [] = { 0x89, 0x38, 0x38 }; + static u8 reset [] = { 0x50, 0x80 }; + static u8 adc_ctl_1_cfg [] = { 0x8E, 0x40 }; + static u8 agc_cfg [] = { 0x67, 0x10, 0x20, 0x00, 0xFF, 0xFF, + 0x00, 0xFF, 0x00, 0x40, 0x40 }; + static u8 dntv_extra[] = { 0xB5, 0x7A }; + static u8 capt_range_cfg[] = { 0x75, 0x32 }; + + mt352_write(fe, clock_config, sizeof(clock_config)); + udelay(2000); + mt352_write(fe, reset, sizeof(reset)); + mt352_write(fe, adc_ctl_1_cfg, sizeof(adc_ctl_1_cfg)); + + mt352_write(fe, agc_cfg, sizeof(agc_cfg)); + udelay(2000); + mt352_write(fe, dntv_extra, sizeof(dntv_extra)); + mt352_write(fe, capt_range_cfg, sizeof(capt_range_cfg)); + + return 0; +} + static int philips_fmd1216_pll_init(struct dvb_frontend *fe) { struct cx8802_dev *dev= fe->dvb->priv; @@ -265,7 +288,7 @@ static int dntv_live_dvbt_pro_pll_set(struct dvb_frontend* fe, static struct mt352_config dntv_live_dvbt_pro_config = { .demod_address = 0x0f, .no_tuner = 1, - .demod_init = generic_mt352_demod_init, + .demod_init = dntv_live_dvbt_pro_demod_init, .pll_set = dntv_live_dvbt_pro_pll_set, }; #endif |