V4L/DVB (13357): stv090x: adds an additional check for signal presence based on AGC1
Signed-off-by: Andreas Regel <andreas.regel@gmx.de>
Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/dvb/frontends/stv090x.c b/drivers/media/dvb/frontends/stv090x.c
index a2ec0ed..647c535 100644
--- a/drivers/media/dvb/frontends/stv090x.c
+++ b/drivers/media/dvb/frontends/stv090x.c
@@ -3185,7 +3185,7 @@
if ((agc1_power == 0) && (power_iq < STV090x_IQPOWER_THRESHOLD)) {
dprintk(FE_ERROR, 1, "No Signal: POWER_IQ=0x%02x", power_iq);
lock = 0;
-
+ signal_state = STV090x_NOAGC1;
} else {
reg = STV090x_READ_DEMOD(state, DEMOD);
STV090x_SETFIELD_Px(reg, SPECINV_CONTROL_FIELD, state->inversion);
@@ -3209,9 +3209,8 @@
}
}
- /* need to check for AGC1 state */
-
-
+ if (signal_state == STV090x_NOAGC1)
+ return signal_state;
if (state->algo == STV090x_BLIND_SEARCH)
lock = stv090x_blind_search(state);
diff --git a/drivers/media/dvb/frontends/stv090x_priv.h b/drivers/media/dvb/frontends/stv090x_priv.h
index 5696816..5921a8d 100644
--- a/drivers/media/dvb/frontends/stv090x_priv.h
+++ b/drivers/media/dvb/frontends/stv090x_priv.h
@@ -91,6 +91,7 @@
STV090x_SEARCH_AGC2_TH_CUT30)
enum stv090x_signal_state {
+ STV090x_NOAGC1,
STV090x_NOCARRIER,
STV090x_NODATA,
STV090x_DATAOK,