diff --git a/drivers/media/dvb/ttpci/budget.c b/drivers/media/dvb/ttpci/budget.c index f5db13d8b990..874a10a9d493 100644 --- a/drivers/media/dvb/ttpci/budget.c +++ b/drivers/media/dvb/ttpci/budget.c @@ -628,29 +628,36 @@ static void frontend_init(struct budget *budget) &tt1600_stv6110x_config, &budget->i2c_adap); - tt1600_stv090x_config.tuner_init = ctl->tuner_init; - tt1600_stv090x_config.tuner_sleep = ctl->tuner_sleep; - tt1600_stv090x_config.tuner_set_mode = ctl->tuner_set_mode; - tt1600_stv090x_config.tuner_set_frequency = ctl->tuner_set_frequency; - tt1600_stv090x_config.tuner_get_frequency = ctl->tuner_get_frequency; - tt1600_stv090x_config.tuner_set_bandwidth = ctl->tuner_set_bandwidth; - tt1600_stv090x_config.tuner_get_bandwidth = ctl->tuner_get_bandwidth; - tt1600_stv090x_config.tuner_set_bbgain = ctl->tuner_set_bbgain; - tt1600_stv090x_config.tuner_get_bbgain = ctl->tuner_get_bbgain; - tt1600_stv090x_config.tuner_set_refclk = ctl->tuner_set_refclk; - tt1600_stv090x_config.tuner_get_status = ctl->tuner_get_status; + if (ctl) { + tt1600_stv090x_config.tuner_init = ctl->tuner_init; + tt1600_stv090x_config.tuner_sleep = ctl->tuner_sleep; + tt1600_stv090x_config.tuner_set_mode = ctl->tuner_set_mode; + tt1600_stv090x_config.tuner_set_frequency = ctl->tuner_set_frequency; + tt1600_stv090x_config.tuner_get_frequency = ctl->tuner_get_frequency; + tt1600_stv090x_config.tuner_set_bandwidth = ctl->tuner_set_bandwidth; + tt1600_stv090x_config.tuner_get_bandwidth = ctl->tuner_get_bandwidth; + tt1600_stv090x_config.tuner_set_bbgain = ctl->tuner_set_bbgain; + tt1600_stv090x_config.tuner_get_bbgain = ctl->tuner_get_bbgain; + tt1600_stv090x_config.tuner_set_refclk = ctl->tuner_set_refclk; + tt1600_stv090x_config.tuner_get_status = ctl->tuner_get_status; - /* call the init function once to initialize - tuner's clock output divider and demod's - master clock */ - if (budget->dvb_frontend->ops.init) - budget->dvb_frontend->ops.init(budget->dvb_frontend); - - dvb_attach(isl6423_attach, - budget->dvb_frontend, - &budget->i2c_adap, - &tt1600_isl6423_config); + /* call the init function once to initialize + tuner's clock output divider and demod's + master clock */ + if (budget->dvb_frontend->ops.init) + budget->dvb_frontend->ops.init(budget->dvb_frontend); + if (dvb_attach(isl6423_attach, + budget->dvb_frontend, + &budget->i2c_adap, + &tt1600_isl6423_config) == NULL) { + printk(KERN_ERR "%s: No Intersil ISL6423 found!\n", __func__); + goto error_out; + } + } else { + printk(KERN_ERR "%s: No STV6110(A) Silicon Tuner found!\n", __func__); + goto error_out; + } } } break;