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path: root/drivers/media/dvb/frontends/cxd2820r_core.c
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Diffstat (limited to 'drivers/media/dvb/frontends/cxd2820r_core.c')
-rw-r--r--drivers/media/dvb/frontends/cxd2820r_core.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/media/dvb/frontends/cxd2820r_core.c b/drivers/media/dvb/frontends/cxd2820r_core.c
index 372a4e700254..caae7f79c837 100644
--- a/drivers/media/dvb/frontends/cxd2820r_core.c
+++ b/drivers/media/dvb/frontends/cxd2820r_core.c
@@ -309,9 +309,14 @@ static int cxd2820r_read_status(struct dvb_frontend *fe, fe_status_t *status)
static int cxd2820r_get_frontend(struct dvb_frontend *fe)
{
+ struct cxd2820r_priv *priv = fe->demodulator_priv;
int ret;
dbg("%s: delsys=%d", __func__, fe->dtv_property_cache.delivery_system);
+
+ if (priv->delivery_system == SYS_UNDEFINED)
+ return 0;
+
switch (fe->dtv_property_cache.delivery_system) {
case SYS_DVBT:
ret = cxd2820r_get_frontend_t(fe);
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