From 29933a685ee1a6c9d1192edbaa0b7ef854801577 Mon Sep 17 00:00:00 2001
From: Brad Stein <brad.stein@gmail.com>
Date: Sat, 5 Jul 2025 17:08:48 -0500
Subject: [PATCH] usb fix

---
 scripts/daemon/lesavka-core.sh | 23 ++++++++++++++---------
 1 file changed, 14 insertions(+), 9 deletions(-)

diff --git a/scripts/daemon/lesavka-core.sh b/scripts/daemon/lesavka-core.sh
index c527c35..3bbc56b 100644
--- a/scripts/daemon/lesavka-core.sh
+++ b/scripts/daemon/lesavka-core.sh
@@ -7,6 +7,10 @@ set -euo pipefail
 
 log() { printf '[lesavka-core] %s\n' "$*"; }
 
+exec 2> >(tee -a /tmp/lesavka-core.debug.$(date +%s).log)
+set -x
+echo "[lesavka-core] running: $0 (sha1sum=$(sha1sum "$0" | cut -d' ' -f1))"
+
 #──────────────────────────────────────────────────
 # 1.  Ensure overlay + kernel modules
 #──────────────────────────────────────────────────
@@ -155,19 +159,20 @@ for s in fs hs ss; do
     ln -sf "$header_h"  "$F/streaming/class/$s/h"
 done
 
-# ── 4.  Video‑Control interface  (must be a real directory) ───────────
-mkdir -p "$F/control/header/h"          # real directory – mandatory
+# ── 4.  Video‑Control interface ─────────────────────────────────────
+mkdir -p "$F/control/header/h"                    # real dir – mandatory
+mkdir -p "$F/control/class"                       # parent once
 
-# Create the single 'class' directory once …
-mkdir -p "$F/control/class"
-
-# … and for every speed make the symlink *itself* (NOT a sub‑dir)
 for s in fs hs ss; do
-    ln -sf ../header/h  "$F/control/class/$s"     #  ../header/h relative to …/control/class
+    tgt="$F/control/class/$s"
+    # If an earlier crash left a *directory* here, remove it first
+    if [ -d "$tgt" ] && [ ! -L "$tgt" ]; then rmdir "$tgt"; fi
+    ln -snf ../header/h "$tgt"                    # symlink replaces/creates
 done
 
-echo 0x0 >"$F/control/terminal/camera/default/bmControls"    2>/dev/null || true
-echo 0x0 >"$F/control/processing/default/bmControls"         2>/dev/null || true
+# optional: hide unsupported controls
+echo 0 >"$F/control/terminal/camera/default/bmControls"    2>/dev/null || true
+echo 0 >"$F/control/processing/default/bmControls"         2>/dev/null || true
 
 # friendly label
 mkdir -p "$F/control/header/strings/0x409"