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[media] DVB: dvb_frontend: clear stale events on FE_SET_FRONTEND

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the first event after an attempt to tune.

Signed-off-by: Andreas Oberritter <obi@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Andreas Oberritter 2011-08-04 12:33:14 -03:00 committed by Mauro Carvalho Chehab
parent 5c9f480bdb
commit 20640bea87
1 changed files with 11 additions and 0 deletions
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11
drivers/media/dvb/dvb-core/dvb_frontend.c
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@ -220,6 +220,16 @@ static int dvb_frontend_get_event(struct dvb_frontend *fe,
return 0; 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) static void dvb_frontend_init(struct dvb_frontend *fe)
{ {
dprintk ("DVB: initialising adapter %i frontend %i (%s)...\n", 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 */ /* Request the search algorithm to search */
fepriv->algo_status |= DVBFE_ALGO_SEARCH_AGAIN; fepriv->algo_status |= DVBFE_ALGO_SEARCH_AGAIN;
dvb_frontend_clear_events(fe);
dvb_frontend_add_event(fe, 0); dvb_frontend_add_event(fe, 0);
dvb_frontend_wakeup(fe); dvb_frontend_wakeup(fe);
fepriv->status = 0; fepriv->status = 0;