diff options
Diffstat (limited to 'linux/drivers/media/dvb/frontends')
| -rw-r--r-- | linux/drivers/media/dvb/frontends/lgdt330x.c | 15 | ||||
| -rw-r--r-- | linux/drivers/media/dvb/frontends/lgdt330x.h | 4 |
2 files changed, 17 insertions, 2 deletions
diff --git a/linux/drivers/media/dvb/frontends/lgdt330x.c b/linux/drivers/media/dvb/frontends/lgdt330x.c index b01c9a67e..91a66effe 100644 --- a/linux/drivers/media/dvb/frontends/lgdt330x.c +++ b/linux/drivers/media/dvb/frontends/lgdt330x.c @@ -27,6 +27,7 @@ * DViCO FusionHDTV 3 Gold-T * DViCO FusionHDTV 5 Gold * DViCO FusionHDTV 5 Lite + * Air2PC/AirStar 2 ATSC 3rd generation (HD5000) * * TODO: * signal strength always returns 0. @@ -221,6 +222,11 @@ static int lgdt330x_init(struct dvb_frontend* fe) 0x4c, 0x14 }; + static u8 flip_lgdt3303_init_data[] = { + 0x4c, 0x14, + 0x87, 0xf3 + }; + struct lgdt330x_state* state = fe->demodulator_priv; char *chip_name; int err; @@ -233,8 +239,13 @@ static int lgdt330x_init(struct dvb_frontend* fe) break; case LGDT3303: chip_name = "LGDT3303"; - err = i2c_write_demod_bytes(state, lgdt3303_init_data, - sizeof(lgdt3303_init_data)); + if (state->config->clock_polarity_flip) { + err = i2c_write_demod_bytes(state, flip_lgdt3303_init_data, + sizeof(flip_lgdt3303_init_data)); + } else { + err = i2c_write_demod_bytes(state, lgdt3303_init_data, + sizeof(lgdt3303_init_data)); + } break; default: chip_name = "undefined"; diff --git a/linux/drivers/media/dvb/frontends/lgdt330x.h b/linux/drivers/media/dvb/frontends/lgdt330x.h index e209ba1e4..08066161b 100644 --- a/linux/drivers/media/dvb/frontends/lgdt330x.h +++ b/linux/drivers/media/dvb/frontends/lgdt330x.h @@ -47,6 +47,10 @@ struct lgdt330x_config /* Need to set device param for start_dma */ int (*set_ts_params)(struct dvb_frontend* fe, int is_punctured); + + /* Flip the polarity of the mpeg data transfer clock using alternate init data + * 0:disabled (default) */ + int clock_polarity_flip; }; extern struct dvb_frontend* lgdt330x_attach(const struct lgdt330x_config* config, |