Use error counter 1 of the STV090x to get a correct bit error rate value.
Signed-off-by: Andreas Regel <andreas.regel@xxxxxx>
---
drivers/media/dvb/frontends/stv090x.c | 30
+++++++++++++++++++++++++++++-
1 files changed, 29 insertions(+), 1 deletions(-)
diff --git a/drivers/media/dvb/frontends/stv090x.c
b/drivers/media/dvb/frontends/stv090x.c
index 6c3c095..afbd50c 100644
--- a/drivers/media/dvb/frontends/stv090x.c
+++ b/drivers/media/dvb/frontends/stv090x.c
@@ -3512,6 +3512,33 @@ static int stv090x_read_status(struct
dvb_frontend *fe, enum fe_status *status)
return 0;
}
+static int stv090x_read_ber(struct dvb_frontend *fe, u32 *ber)
+{
+ struct stv090x_state *state = fe->demodulator_priv;
+
+ u32 reg, h, m, l;
+ enum fe_status status;
+
+ stv090x_read_status(fe, &status);
+ if (!(status & FE_HAS_LOCK)) {
+ *ber = 1 << 23; /* Max BER */
+ } else {
+ /* Counter 1 */
+ reg = STV090x_READ_DEMOD(state, ERRCNT12);
+ h = STV090x_GETFIELD_Px(reg, ERR_CNT12_FIELD);
+
+ reg = STV090x_READ_DEMOD(state, ERRCNT11);
+ m = STV090x_GETFIELD_Px(reg, ERR_CNT11_FIELD);
+
+ reg = STV090x_READ_DEMOD(state, ERRCNT10);
+ l = STV090x_GETFIELD_Px(reg, ERR_CNT10_FIELD);
+
+ *ber = ((h << 16) | (m << 8) | l);
+ }
+ return 0;
+}
+
+#if 0
static int stv090x_read_per(struct dvb_frontend *fe, u32 *per)
{
struct stv090x_state *state = fe->demodulator_priv;
@@ -3562,6 +3589,7 @@ err:
dprintk(FE_ERROR, 1, "I/O error");
return -1;
}
+#endif
static int stv090x_table_lookup(const struct stv090x_tab *tab, int
max, int val)
{
@@ -4740,7 +4768,7 @@ static struct dvb_frontend_ops stv090x_ops = {
.search = stv090x_search,
.read_status = stv090x_read_status,
- .read_ber = stv090x_read_per,
+ .read_ber = stv090x_read_ber,
.read_signal_strength = stv090x_read_signal_strength,
.read_snr = stv090x_read_cnr,
};
--
1.7.2.5
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