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Commit c4fa649a authored by Andreas Regel's avatar Andreas Regel Committed by Mauro Carvalho Chehab
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V4L/DVB (13357): stv090x: adds an additional check for signal presence based on AGC1 



Signed-off-by: default avatarAndreas Regel <andreas.regel@gmx.de>
Signed-off-by: default avatarManu Abraham <manu@linuxtv.org>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent a4978a83

drivers/media/dvb/frontends/stv090x.c

+3 −4
Original line number Diff line number Diff line
@@ -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);

drivers/media/dvb/frontends/stv090x_priv.h

+1 −0
Original line number Diff line number Diff line
@@ -91,6 +91,7 @@ 
	STV090x_SEARCH_AGC2_TH_CUT30)



enum stv090x_signal_state {

	STV090x_NOAGC1,

	STV090x_NOCARRIER,

	STV090x_NODATA,

	STV090x_DATAOK,