[linux-dvb] DiB3000mc-device AGC initialisiation fix (Nova-T USB and 500)

Patrick Boettcher patrick.boettcher at desy.de
Sun Oct 1 20:32:53 CEST 2006


Hi all,

sorry for the long delay, but I was really busy I haven't had any time to 
really look into this. 

Attached is a patch which should fix the configuration so that it works 
for all dib3000mc/p-driven devices.

Sorry again,
Patrick.
-------------- next part --------------
diff -r 9eb3e11544a7 linux/drivers/media/dvb/dvb-usb/dibusb-common.c
--- a/linux/drivers/media/dvb/dvb-usb/dibusb-common.c	Sat Sep 30 07:58:14 2006 -0300
+++ b/linux/drivers/media/dvb/dvb-usb/dibusb-common.c	Sun Oct 01 20:28:47 2006 +0200
@@ -169,7 +169,7 @@ EXPORT_SYMBOL(dibusb_read_eeprom_byte);
 // Config Adjacent channels  Perf -cal22
 static struct dibx000_agc_config dib3000p_mt2060_agc_config = {
 	.band_caps = BAND_VHF | BAND_UHF,
-	.setup     = (0 << 15) | (0 << 14) | (1 << 13) | (1 << 12) | (29 << 0),
+	.setup     = (1 << 8) | (5 << 5) | (1 << 4) | (1 << 3) | (0 << 2) | (2 << 0),
 
 	.agc1_max = 48497,
 	.agc1_min = 23593,
@@ -199,7 +199,8 @@ static struct dib3000mc_config stk3000p_
 };
 
 static struct dibx000_agc_config dib3000p_panasonic_agc_config = {
-	.setup    = (0 << 15) | (0 << 14) | (1 << 13) | (1 << 12) | (29 << 0),
+	.band_caps = BAND_VHF | BAND_UHF,
+	.setup     = (1 << 8) | (5 << 5) | (1 << 4) | (1 << 3) | (0 << 2) | (2 << 0),
 
 	.agc1_max = 56361,
 	.agc1_min = 22282,
diff -r 9eb3e11544a7 linux/drivers/media/dvb/frontends/dib3000mc.c
--- a/linux/drivers/media/dvb/frontends/dib3000mc.c	Sat Sep 30 07:58:14 2006 -0300
+++ b/linux/drivers/media/dvb/frontends/dib3000mc.c	Sun Oct 01 18:11:50 2006 +0200
@@ -369,7 +369,7 @@ static int dib3000mc_init(struct dvb_fro
 
 	/* agc */
 	dib3000mc_write_word(state, 36, state->cfg->max_time);
-	dib3000mc_write_word(state, 37, agc->setup);
+	dib3000mc_write_word(state, 37, (1 << 13) | (1 << 12) | (0x1d << 0));
 	dib3000mc_write_word(state, 38, state->cfg->pwm3_value);
 	dib3000mc_write_word(state, 39, state->cfg->ln_adc_level);
 


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