From 9b6aa680f9264c146835a38f8a94beb232f9daad Mon Sep 17 00:00:00 2001
From: Martin Wimpress <martin@wimpress.org>
Date: Sun, 25 Jan 2026 13:17:56 +0000
Subject: [PATCH] fix(quickemu): enable xhci when braille devices used

- Set usb_controller="xhci" in display_param_check() when BRAILLE is enabled.
- Braille devices are USB 1.1 (full-speed); EHCI only handles USB 2.0/3.0,
  which causes speed mismatch warnings and prevents braille devices from working.

Fixes #730
---
 quickemu | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/quickemu b/quickemu
index b6565cd..2a97b75 100755
--- a/quickemu
+++ b/quickemu
@@ -2269,6 +2269,8 @@ function display_param_check() {
     # Braille support requires SDL. Override $display if braille was requested.
     if [ -n "${BRAILLE}" ]; then
         display="sdl"
+        # XHCI supports USB 1.1/2.0/3.0; required for full-speed braille devices
+        usb_controller="xhci"
     fi
 
     if [ "${OS_KERNEL}" == "Darwin" ]; then