[media] it913x: support for different tuner regs
There appears to be differences in the tuner registers
on earlier IT9135 devices.
Using the current IT9137 settings cause corruptions on
some channels
This patch is in preparation for multi firmware loading and
current unsupported types.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/dvb/frontends/it913x-fe.c b/drivers/media/dvb/frontends/it913x-fe.c
index e0cf881..8088e62 100644
--- a/drivers/media/dvb/frontends/it913x-fe.c
+++ b/drivers/media/dvb/frontends/it913x-fe.c
@@ -245,6 +245,11 @@
u8 lna_band;
u8 bw;
+ if (state->config->firmware_ver == 1)
+ set_tuner = set_it9135_template;
+ else
+ set_tuner = set_it9137_template;
+
deb_info("Tuner Frequency %d Bandwidth %d", frequency, bandwidth);
if (frequency >= 51000 && frequency <= 440000) {
@@ -774,8 +779,16 @@
b[2] = (adc >> 16) & 0xff;
ret |= it913x_write(state, PRO_DMOD, ADC_FREQ, b, 3);
- info("Crystal Frequency :%d Adc Frequency :%d",
- state->crystalFrequency, state->adcFrequency);
+ if (state->config->adc_x2)
+ ret |= it913x_write_reg(state, PRO_DMOD, ADC_X_2, 0x01);
+ b[0] = 0;
+ b[1] = 0;
+ b[2] = 0;
+ ret |= it913x_write(state, PRO_DMOD, 0x0029, b, 3);
+
+ info("Crystal Frequency :%d Adc Frequency :%d ADC X2: %02x",
+ state->crystalFrequency, state->adcFrequency,
+ state->config->adc_x2);
deb_info("Xtal value :%04x Adc value :%04x", xtal, adc);
if (ret < 0)
@@ -840,10 +853,10 @@
/* Power Up Tuner - common all versions */
ret = it913x_write_reg(state, PRO_DMOD, 0xec40, 0x1);
- ret |= it913x_write_reg(state, PRO_DMOD, AFE_MEM0, 0x0);
-
ret |= it913x_fe_script_loader(state, init_1);
+ ret |= it913x_write_reg(state, PRO_DMOD, AFE_MEM0, 0x0);
+
ret |= it913x_write_reg(state, PRO_DMOD, 0xfba8, 0x0);
return (ret < 0) ? -ENODEV : 0;
@@ -938,5 +951,5 @@
MODULE_DESCRIPTION("it913x Frontend and it9137 tuner");
MODULE_AUTHOR("Malcolm Priestley tvboxspy@gmail.com");
-MODULE_VERSION("1.10");
+MODULE_VERSION("1.12");
MODULE_LICENSE("GPL");