Datasheet says they must be rewritten after reset.
But it only makes sense to write them when trying to tune afterwards.
Signed-off-by: Matthias Schwarzott <zzam@xxxxxxxxxx>
---
drivers/media/dvb-frontends/si2165.c | 32 +++++++++++++++-----------------
1 file changed, 15 insertions(+), 17 deletions(-)
diff --git a/drivers/media/dvb-frontends/si2165.c b/drivers/media/dvb-frontends/si2165.c
index 222d775..07247e3 100644
--- a/drivers/media/dvb-frontends/si2165.c
+++ b/drivers/media/dvb-frontends/si2165.c
@@ -690,23 +690,6 @@ static int si2165_init(struct dvb_frontend *fe)
goto error;
}
- /* write adc values after each reset*/
- ret = si2165_writereg8(state, 0x012a, 0x46);
- if (ret < 0)
- goto error;
- ret = si2165_writereg8(state, 0x012c, 0x00);
- if (ret < 0)
- goto error;
- ret = si2165_writereg8(state, 0x012e, 0x0a);
- if (ret < 0)
- goto error;
- ret = si2165_writereg8(state, 0x012f, 0xff);
- if (ret < 0)
- goto error;
- ret = si2165_writereg8(state, 0x0123, 0x70);
- if (ret < 0)
- goto error;
-
return 0;
error:
return ret;
@@ -788,6 +771,14 @@ static int si2165_set_if_freq_shift(struct si2165_state *state, u32 IF)
return si2165_writereg32(state, 0x00e8, reg_value);
}
+static const struct si2165_reg_value_pair agc_rewrite[] = {
+ { 0x012a, 0x46 },
+ { 0x012c, 0x00 },
+ { 0x012e, 0x0a },
+ { 0x012f, 0xff },
+ { 0x0123, 0x70 }
+};
+
static int si2165_set_frontend(struct dvb_frontend *fe)
{
int ret;
@@ -924,6 +915,13 @@ static int si2165_set_frontend(struct dvb_frontend *fe)
ret = si2165_writereg32(state, 0x0384, 0x00000000);
if (ret < 0)
return ret;
+
+ /* write adc values after each reset*/
+ ret = si2165_write_reg_list(state, agc_rewrite,
+ ARRAY_SIZE(agc_rewrite));
+ if (ret < 0)
+ return ret;
+
/* start_synchro */
ret = si2165_writereg8(state, 0x02e0, 0x01);
if (ret < 0)
--
2.6.3
--
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