diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c index 4555baa383b2..e721975476b0 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -143,6 +143,8 @@ struct dvb_frontend_private { static void dvb_frontend_wakeup(struct dvb_frontend *fe); static int dtv_get_frontend(struct dvb_frontend *fe, struct dvb_frontend_parameters *p_out); +static int dtv_property_legacy_params_sync(struct dvb_frontend *fe, + struct dvb_frontend_parameters *p); static bool has_get_frontend(struct dvb_frontend *fe) { @@ -697,6 +699,7 @@ static int dvb_frontend_thread(void *data) fepriv->algo_status |= DVBFE_ALGO_SEARCH_AGAIN; fepriv->delay = HZ / 2; } + dtv_property_legacy_params_sync(fe, &fepriv->parameters_out); fe->ops.read_status(fe, &s); if (s != fepriv->status) { dvb_frontend_add_event(fe, s); /* update event list */ @@ -1832,6 +1835,13 @@ static int dtv_set_frontend(struct dvb_frontend *fe) if (dvb_frontend_check_parameters(fe) < 0) return -EINVAL; + /* + * Initialize output parameters to match the values given by + * the user. FE_SET_FRONTEND triggers an initial frontend event + * with status = 0, which copies output parameters to userspace. + */ + dtv_property_legacy_params_sync(fe, &fepriv->parameters_out); + /* * Be sure that the bandwidth will be filled for all * non-satellite systems, as tuners need to know what