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>
diff --git a/drivers/media/video/cx88/cx88-dvb.c b/drivers/media/video/cx88/cx88-dvb.c
index 8a5997b..42c012a 100644
--- a/drivers/media/video/cx88/cx88-dvb.c
+++ b/drivers/media/video/cx88/cx88-dvb.c
@@ -112,7 +112,7 @@
/* ------------------------------------------------------------------ */
#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 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 @@
};
#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 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