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Commit 836c2858 authored by Steven Toth's avatar Steven Toth Committed by Mauro Carvalho Chehab
Browse files

V4L/DVB (8096): au8522: prevent false-positive lock status 



This decreases scan time in Queens, New York from 28 minutes to 7 minutes,
with the exact same services found.

Signed-off-by: default avatarMichael Krufky <mkrufky@linuxtv.org>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@infradead.org>
parent 7fa8e6fa

drivers/media/dvb/frontends/au8522.c

+2 −4
Original line number Diff line number Diff line
@@ -527,10 +527,8 @@ static int au8522_read_status(struct dvb_frontend *fe, fe_status_t *status) 
	if (state->current_modulation == VSB_8) {

		dprintk("%s() Checking VSB_8\n", __func__);

		reg = au8522_readreg(state, 0x4088);

		if (reg & 0x01)

			*status |= FE_HAS_VITERBI;

		if (reg & 0x02)

			*status |= FE_HAS_LOCK | FE_HAS_SYNC;

		if ((reg & 0x03) == 0x03)

			*status |= FE_HAS_LOCK | FE_HAS_SYNC | FE_HAS_VITERBI;

	} else {

		dprintk("%s() Checking QAM\n", __func__);

		reg = au8522_readreg(state, 0x4541);