summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--drivers/media/tuners/r820t.c7
-rw-r--r--drivers/media/tuners/r820t.h1
2 files changed, 8 insertions, 0 deletions
diff --git a/drivers/media/tuners/r820t.c b/drivers/media/tuners/r820t.c
index e6e7a06d2b4..4835021aa3b 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 4c0823b2169..48af3548027 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)