From 2b16fcbf657437c227bb48b0d5c3b0b3f7d0d5bb Mon Sep 17 00:00:00 2001
From: Jaroslav Kysela <perex@perex.cz>
Date: Thu, 1 Nov 2018 14:25:25 +0100
Subject: [PATCH] linuxdvb: set volt - tiny optimization

---
 src/input/mpegts/linuxdvb/linuxdvb_satconf.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/input/mpegts/linuxdvb/linuxdvb_satconf.c b/src/input/mpegts/linuxdvb/linuxdvb_satconf.c
index bb4884bca..52f502b2b 100644
--- a/src/input/mpegts/linuxdvb/linuxdvb_satconf.c
+++ b/src/input/mpegts/linuxdvb/linuxdvb_satconf.c
@@ -1803,6 +1803,7 @@ linuxdvb_diseqc_send
 int
 linuxdvb_diseqc_set_volt ( linuxdvb_satconf_t *ls, int vol )
 {
+  vol = vol < 0 ? -1 : !!(vol > 0);
   /* Already set ? */
   if (vol >= 0 && ls->ls_last_vol == vol + 1)
     return 0;
@@ -1823,7 +1824,7 @@ linuxdvb_diseqc_set_volt ( linuxdvb_satconf_t *ls, int vol )
   }
   if (vol >= 0)
     tvh_safe_usleep(15000);
-  ls->ls_last_vol = vol ? (vol < 0 ? 0 : 2) : 1;
+  ls->ls_last_vol = vol + 1;
   return 0;
 }
 
-- 
2.47.3