The changeset 240ab508aa is incomplete, as the first thing that
happens at cache clear is to do a memset with 0 to the cache.

So, the delivery system needs to be explicitly preserved there.

Signed-off-by: Mauro Carvalho Chehab <[email protected]>

---

If Kaffeine doesn't call FE_SET_PROPERTY for non-DVB-S2, this should
fix the current issue.

 drivers/media/dvb/dvb-core/dvb_frontend.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c 
b/drivers/media/dvb/dvb-core/dvb_frontend.c
index 2ad7faf..f5fa7aa 100644
--- a/drivers/media/dvb/dvb-core/dvb_frontend.c
+++ b/drivers/media/dvb/dvb-core/dvb_frontend.c
@@ -904,8 +904,11 @@ static int dvb_frontend_clear_cache(struct dvb_frontend 
*fe)
 {
        struct dtv_frontend_properties *c = &fe->dtv_property_cache;
        int i;
+       u32 delsys;
 
+       delsys = c->delivery_system;
        memset(c, 0, sizeof(struct dtv_frontend_properties));
+       c->delivery_system = delsys;
 
        c->state = DTV_CLEAR;
 
-- 
1.7.8

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