diff mbox

[3/4] DVB: dvb_frontend: clear stale events on FE_SET_FRONTEND

Message ID 1312471995-26292-3-git-send-email-obi@linuxtv.org (mailing list archive)
State Superseded, archived
Headers

Commit Message

Andreas Oberritter Aug. 4, 2011, 3:33 p.m. UTC 
  - Old events aren't very useful, so clear them before adding
  the first event after an attempt to tune.

Signed-off-by: Andreas Oberritter <obi@linuxtv.org>
---
 drivers/media/dvb/dvb-core/dvb_frontend.c |   11 +++++++++++
 1 files changed, 11 insertions(+), 0 deletions(-)
diff mbox

Patch

diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c
index 45ea843..4102311 100644
--- a/drivers/media/dvb/dvb-core/dvb_frontend.c
+++ b/drivers/media/dvb/dvb-core/dvb_frontend.c
@@ -220,6 +220,16 @@  static int dvb_frontend_get_event(struct dvb_frontend *fe,
 	return 0;
 }
 
+static void dvb_frontend_clear_events(struct dvb_frontend *fe)
+{
+	struct dvb_frontend_private *fepriv = fe->frontend_priv;
+	struct dvb_fe_events *events = &fepriv->events;
+
+	mutex_lock(&events->mtx);
+	events->eventr = events->eventw;
+	mutex_unlock(&events->mtx);
+}
+
 static void dvb_frontend_init(struct dvb_frontend *fe)
 {
 	dprintk ("DVB: initialising adapter %i frontend %i (%s)...\n",
@@ -1891,6 +1901,7 @@  static int dvb_frontend_ioctl_legacy(struct file *file,
 		/* Request the search algorithm to search */
 		fepriv->algo_status |= DVBFE_ALGO_SEARCH_AGAIN;
 
+		dvb_frontend_clear_events(fe);
 		dvb_frontend_add_event(fe, 0);
 		dvb_frontend_wakeup(fe);
 		fepriv->status = 0;