[PATCH] [media] dvb_frontend: fix a regression with DVB-S zig-zag

[Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>]

Changeset 5bfaadde broke zig-zag for DVB-S drivers that don't
implement get_tune_settings() callback.

Fix the code, in order to allow it to work as before, otherwise
some channels may not be tuned anymore.

Fix Fedora Bugzilla:
	https://bugzilla.redhat.com/show_bug.cgi?id=814404

Reported-by: Michael Heijenga <database.worker@xxxxxxxxxxxxxx>
Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>
---
 drivers/media/dvb/dvb-core/dvb_frontend.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c
index 39696c6..de7dc29 100644
--- a/drivers/media/dvb/dvb-core/dvb_frontend.c
+++ b/drivers/media/dvb/dvb-core/dvb_frontend.c
@@ -1898,6 +1898,10 @@ static int dtv_set_frontend(struct dvb_frontend *fe)
 	} else {
 		/* default values */
 		switch (c->delivery_system) {
+		case SYS_DVBS:
+		case SYS_DVBS2:
+		case SYS_ISDBS:
+		case SYS_TURBO:
 		case SYS_DVBC_ANNEX_A:
 		case SYS_DVBC_ANNEX_C:
 			fepriv->min_delay = HZ / 20;
-- 
1.7.8

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