From 2445fdea1fb9e950d3bc3e922bffe360b36c4dd7 Mon Sep 17 00:00:00 2001
From: Pierre Seznec <pseznec@anevia.com>
Date: Thu, 22 Feb 2018 17:37:12 +0100
Subject: [PATCH] avoid print error when using setmod with modc gen 1 cards

---
 apps/setmod.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/apps/setmod.c b/apps/setmod.c
index 882a06e..318cd97 100644
--- a/apps/setmod.c
+++ b/apps/setmod.c
@@ -33,6 +33,8 @@ static int set_mod_property (int fd, uint32_t cmd, uint32_t data)
   p.u.data = data;
   ret = ioctl(fd, FE_SET_PROPERTY, &c);
 
+  if(cmd == MODULATOR_GAIN && ret == -EINVAL) //Expected for modc Gen 1 cards
+    return 0;
   if (ret < 0)
   {
     fprintf(stderr, "FE_SET_PROPERTY  %d returned %d\n", cmd, errno);