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author | Andreas Regel <andreas.regel@gmx.de> | 2010-01-05 23:21:02 +0100 |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-02-26 19:10:36 +0100 |
commit | 729cbafaca5e24b4fa0b42e7b0f79cb53f2ebad5 (patch) | |
tree | f8512de23cdcb84633517776e80fb8d625c6bbae /drivers/media/dvb | |
parent | V4L/DVB (13976): [STV090x] Added mutex protection around tuner I2C access. (diff) | |
download | linux-729cbafaca5e24b4fa0b42e7b0f79cb53f2ebad5.tar.xz linux-729cbafaca5e24b4fa0b42e7b0f79cb53f2ebad5.zip |
V4L/DVB (13977): [STV090x] Test for valid frequency before starting to tune
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>
Diffstat (limited to 'drivers/media/dvb')
-rw-r--r-- | drivers/media/dvb/frontends/stv090x.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/media/dvb/frontends/stv090x.c b/drivers/media/dvb/frontends/stv090x.c index e903334a8323..3bdbce21de9e 100644 --- a/drivers/media/dvb/frontends/stv090x.c +++ b/drivers/media/dvb/frontends/stv090x.c @@ -3393,6 +3393,9 @@ static enum dvbfe_search stv090x_search(struct dvb_frontend *fe, struct dvb_fron struct stv090x_state *state = fe->demodulator_priv; struct dtv_frontend_properties *props = &fe->dtv_property_cache; + if (p->frequency == 0) + return DVBFE_ALGO_SEARCH_INVALID; + state->delsys = props->delivery_system; state->frequency = p->frequency; state->srate = p->u.qpsk.symbol_rate; |