From 94cdce7dd23a4bebb865b21a3f0000466a271b9d Mon Sep 17 00:00:00 2001
From: Martin Wimpress <martin@wimpress.org>
Date: Mon, 13 May 2024 19:40:34 +0100
Subject: [PATCH] fix: check for braille support before enabling it

---
 quickemu | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/quickemu b/quickemu
index 16a8019..d2963c5 100755
--- a/quickemu
+++ b/quickemu
@@ -1039,11 +1039,15 @@ function vm_boot() {
         args+=(-k "${keyboard_layout}")
     fi
 
-    # FIXME: Check for device availability. qemu will fail to start otherwise
     if [ -n "${BRAILLE}" ]; then
-        # shellcheck disable=SC2054
-        args+=(-chardev braille,id=brltty
-            -device usb-braille,id=usbbrl,chardev=brltty)
+        if ${QEMU} -chardev help | grep -q braille; then
+            # shellcheck disable=SC2054
+            #args+=(-chardev braille,id=brltty
+            #       -device usb-braille,id=usbbrl,chardev=brltty)
+            args+=(-usbdevice braille)
+        else
+            echo " - WARNING!  ${QEMU} does not support -chardev braille "
+        fi
     fi
 
     # setup mouse