diff options
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/tuners/r820t.c | 7 | ||||
| -rw-r--r-- | drivers/media/tuners/r820t.h | 1 |
2 files changed, 8 insertions, 0 deletions
diff --git a/drivers/media/tuners/r820t.c b/drivers/media/tuners/r820t.c index e6e7a06d2b40..4835021aa3b6 100644 --- a/drivers/media/tuners/r820t.c +++ b/drivers/media/tuners/r820t.c @@ -797,6 +797,13 @@ static int r820t_sysfreq_sel(struct r820t_priv *priv, u32 freq, cable2_in = 0x00; } + + if (priv->cfg->use_predetect) { + rc = r820t_write_reg_mask(priv, 0x06, pre_dect, 0x40); + if (rc < 0) + return rc; + } + rc = r820t_write_reg_mask(priv, 0x1d, lna_top, 0xc7); if (rc < 0) return rc; diff --git a/drivers/media/tuners/r820t.h b/drivers/media/tuners/r820t.h index 4c0823b21693..48af3548027d 100644 --- a/drivers/media/tuners/r820t.h +++ b/drivers/media/tuners/r820t.h @@ -39,6 +39,7 @@ struct r820t_config { enum r820t_chip rafael_chip; unsigned max_i2c_msg_len; bool use_diplexer; + bool use_predetect; }; #if IS_ENABLED(CONFIG_MEDIA_TUNER_R820T) |