From 5ba47ff711b6465848d13495cbb03d062f24b0ec Mon Sep 17 00:00:00 2001
From: Jaroslav Kysela <perex@perex.cz>
Date: Sun, 14 Dec 2014 11:28:37 +0100
Subject: [PATCH] linuxdvb: implement 'Full DiseqC', fixes #2547

---
 src/input/mpegts/linuxdvb/linuxdvb_private.h | 2 ++
 src/input/mpegts/linuxdvb/linuxdvb_satconf.c | 7 +++++++
 src/input/mpegts/linuxdvb/linuxdvb_switch.c  | 7 +++++++
 3 files changed, 16 insertions(+)

diff --git a/src/input/mpegts/linuxdvb/linuxdvb_private.h b/src/input/mpegts/linuxdvb/linuxdvb_private.h
index 0826f000..aec6b0c5 100644
--- a/src/input/mpegts/linuxdvb/linuxdvb_private.h
+++ b/src/input/mpegts/linuxdvb/linuxdvb_private.h
@@ -136,6 +136,7 @@ struct linuxdvb_satconf
   gtimer_t               ls_diseqc_timer;
   int                    ls_diseqc_idx;
   int                    ls_diseqc_repeats;
+  int                    ls_diseqc_full;
   int                    ls_switch_rotor;
 
   /*
@@ -157,6 +158,7 @@ struct linuxdvb_satconf
    * Satconf elements
    */
   linuxdvb_satconf_ele_list_t ls_elements;
+  linuxdvb_satconf_ele_t *ls_last_switch;
 };
 
 /*
diff --git a/src/input/mpegts/linuxdvb/linuxdvb_satconf.c b/src/input/mpegts/linuxdvb/linuxdvb_satconf.c
index 90d49a4b..86552a3f 100644
--- a/src/input/mpegts/linuxdvb/linuxdvb_satconf.c
+++ b/src/input/mpegts/linuxdvb/linuxdvb_satconf.c
@@ -223,6 +223,13 @@ const idclass_t linuxdvb_satconf_class =
       .opts     = PO_ADVANCED,
       .def.i    = 0
     },
+    {
+      .type     = PT_BOOL,
+      .id       = "diseqc_full",
+      .name     = "Full DiseqC",
+      .off      = offsetof(linuxdvb_satconf_t, ls_diseqc_full),
+      .opts     = PO_ADVANCED,
+    },
     {
       .type     = PT_BOOL,
       .id       = "lnb_poweroff",
diff --git a/src/input/mpegts/linuxdvb/linuxdvb_switch.c b/src/input/mpegts/linuxdvb/linuxdvb_switch.c
index 2044c74d..6dffe8c2 100644
--- a/src/input/mpegts/linuxdvb/linuxdvb_switch.c
+++ b/src/input/mpegts/linuxdvb/linuxdvb_switch.c
@@ -150,6 +150,11 @@ linuxdvb_switch_tune
   int pol, band;
   linuxdvb_switch_t *ls = (linuxdvb_switch_t*)ld;
 
+  if (!sc->lse_parent->ls_diseqc_full && sc->lse_parent->ls_last_switch == sc)
+    return 0;
+
+  sc->lse_parent->ls_last_switch = NULL;
+
   /* LNB settings */
   pol  = (sc->lse_lnb) ? sc->lse_lnb->lnb_pol (sc->lse_lnb, lm) & 0x1 : 0;
   band = (sc->lse_lnb) ? sc->lse_lnb->lnb_band(sc->lse_lnb, lm) & 0x1 : 0;
@@ -201,6 +206,8 @@ linuxdvb_switch_tune
     }
   }
 
+  sc->lse_parent->ls_last_switch = sc;
+
   return 0;
 }