V4L/DVB (8146): lgdt330x: add additional FEC control configuration option
Allow the following configuration, by passing clock_polarity_flip = 2:
Enable FEC automatic reset. Disable spectrum inversion.
Enable viterbi resynchronization. Set polarity indicator high.
Enable error flag insertion.
Thanks to Daniel Gimpelevich, for discovering that this configuration
is used on the AVerMedia AVerTVHD Volar.
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
CC: Daniel Gimpelevich <daniel@gimpelevich.san-francisco.ca.us>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/dvb/frontends/lgdt330x.c b/drivers/media/dvb/frontends/lgdt330x.c
index f0195c8..056387b 100644
--- a/drivers/media/dvb/frontends/lgdt330x.c
+++ b/drivers/media/dvb/frontends/lgdt330x.c
@@ -226,11 +226,16 @@
0x4c, 0x14
};
- static u8 flip_lgdt3303_init_data[] = {
+ static u8 flip_1_lgdt3303_init_data[] = {
0x4c, 0x14,
0x87, 0xf3
};
+ static u8 flip_2_lgdt3303_init_data[] = {
+ 0x4c, 0x14,
+ 0x87, 0xda
+ };
+
struct lgdt330x_state* state = fe->demodulator_priv;
char *chip_name;
int err;
@@ -243,10 +248,19 @@
break;
case LGDT3303:
chip_name = "LGDT3303";
- if (state->config->clock_polarity_flip) {
- err = i2c_write_demod_bytes(state, flip_lgdt3303_init_data,
- sizeof(flip_lgdt3303_init_data));
- } else {
+ switch (state->config->clock_polarity_flip) {
+ case 2:
+ err = i2c_write_demod_bytes(state,
+ flip_2_lgdt3303_init_data,
+ sizeof(flip_2_lgdt3303_init_data));
+ break;
+ case 1:
+ err = i2c_write_demod_bytes(state,
+ flip_1_lgdt3303_init_data,
+ sizeof(flip_1_lgdt3303_init_data));
+ break;
+ case 0:
+ default:
err = i2c_write_demod_bytes(state, lgdt3303_init_data,
sizeof(lgdt3303_init_data));
}