From c4fa649a3beca1e311d7f244de67306673f4c285 Mon Sep 17 00:00:00 2001 From: Andreas Regel Date: Fri, 13 Nov 2009 18:18:53 -0300 Subject: [PATCH] V4L/DVB (13357): stv090x: adds an additional check for signal presence based on AGC1 Signed-off-by: Andreas Regel Signed-off-by: Manu Abraham Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/frontends/stv090x.c | 7 +++---- drivers/media/dvb/frontends/stv090x_priv.h | 1 + 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/media/dvb/frontends/stv090x.c b/drivers/media/dvb/frontends/stv090x.c index a2ec0ed48832..647c5354300f 100644 --- a/drivers/media/dvb/frontends/stv090x.c +++ b/drivers/media/dvb/frontends/stv090x.c @@ -3185,7 +3185,7 @@ static enum stv090x_signal_state stv090x_algo(struct stv090x_state *state) 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 @@ static enum stv090x_signal_state stv090x_algo(struct stv090x_state *state) } } - /* 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 5696816b88a4..5921a8d6c89f 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, -- 2.20.1