1 files changed, 10 insertions, 0 deletions

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 @@ restart:
                                         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 */
@@ -1833,6 +1836,13 @@ static int dtv_set_frontend(struct dvb_frontend *fe)
                 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
          * low pass/Nyquist half filter should be applied, in