diff options
| -rw-r--r-- | drivers/media/dvb-frontends/dib8000.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/media/dvb-frontends/dib8000.c b/drivers/media/dvb-frontends/dib8000.c index 36c839cabe82..063232afecd6 100644 --- a/drivers/media/dvb-frontends/dib8000.c +++ b/drivers/media/dvb-frontends/dib8000.c @@ -3276,15 +3276,27 @@ static int dib8000_sleep(struct dvb_frontend *fe) return dib8000_set_adc_state(state, DIBX000_SLOW_ADC_OFF) | dib8000_set_adc_state(state, DIBX000_ADC_OFF); } +static int dib8000_read_status(struct dvb_frontend *fe, fe_status_t * stat); + static int dib8000_get_frontend(struct dvb_frontend *fe) { struct dib8000_state *state = fe->demodulator_priv; u16 i, val = 0; - fe_status_t stat; + fe_status_t stat = 0; u8 index_frontend, sub_index_frontend; fe->dtv_property_cache.bandwidth_hz = 6000000; + /* + * If called to early, get_frontend makes dib8000_tune to either + * not lock or not sync. This causes dvbv5-scan/dvbv5-zap to fail. + * So, let's just return if frontend 0 has not locked. + */ + dib8000_read_status(fe, &stat); + if (!(stat & FE_HAS_SYNC)) + return 0; + + dprintk("TMCC lock"); for (index_frontend = 1; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++) { state->fe[index_frontend]->ops.read_status(state->fe[index_frontend], &stat); if (stat&FE_HAS_SYNC) { |