From 40ed3536664a142b6d185b15ab3e6576a48963ed Mon Sep 17 00:00:00 2001
From: Benjamin Berg <bberg@redhat.com>
Date: Fri, 22 May 2020 17:29:00 +0200
Subject: [PATCH] elan: Only queue state changes once

The driver would warn about the fact that a state change is queued, but
still queue it a second time. This would result in deactivation to run
twice.

See: #216
---
 libfprint/drivers/elan.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/libfprint/drivers/elan.c b/libfprint/drivers/elan.c
index a4985397..f88ec3e9 100644
--- a/libfprint/drivers/elan.c
+++ b/libfprint/drivers/elan.c
@@ -1015,7 +1015,10 @@ dev_change_state (FpImageDevice *dev, FpiImageDeviceState state)
     state = FPI_IMAGE_DEVICE_STATE_INACTIVE;
 
   if (self->dev_state_next == state)
-    fp_dbg ("change to state %d already queued", state);
+    {
+      fp_dbg ("change to state %d already queued", state);
+      return;
+    }
 
   switch (state)
     {