From 120424925bbe9c862746b0e4af064c8335a0fd2d Mon Sep 17 00:00:00 2001
From: Brad Stein <brad.stein@gmail.com>
Date: Fri, 4 Jul 2025 14:27:31 -0500
Subject: [PATCH] fixing daemon for cam

---
 scripts/daemon/lesavka-core.sh | 31 +++++++++++++++++++++----------
 1 file changed, 21 insertions(+), 10 deletions(-)

diff --git a/scripts/daemon/lesavka-core.sh b/scripts/daemon/lesavka-core.sh
index 438ae98..7263b83 100644
--- a/scripts/daemon/lesavka-core.sh
+++ b/scripts/daemon/lesavka-core.sh
@@ -132,26 +132,37 @@ echo 333333  >"$F/streaming/uncompressed/u/f1/dwDefaultFrameInterval"  # 30 fp
 echo 333333  >"$F/streaming/uncompressed/u/f1/dwFrameInterval"
 
 # ── 3.  REQUIRED HEADER LINKS ──────────────────────────────────────
-# 3‑a  Streaming‑interface header (directory, not symlink)
-rm -rf "$F/streaming/uncompressed/u1"
-mkdir -p "$F/streaming/header/h"
-ln -sf ../../uncompressed/u  "$F/streaming/header/h/1"   # “format 1” link
-echo 1  >"$F/streaming/header/h/bNumFormats"
-echo 0  >"$F/streaming/header/h/bmInfo"
+# NOTE: do *not* try to delete the kernel‑made “u1” place‑holder – the
+# easiest way is to wipe the whole gadget at the top of the script (you
+# already do that) and recreate everything cleanly.
 
-# 3‑b  “class” sub‑dirs for FS / HS / SS  (must pre‑exist!)
+# 3‑a  Streaming‑interface header directory
+mkdir -p "$F/streaming/header/h"
+
+# 3‑b  Per‑speed “class” directories *must* exist before the links
 for s in fs hs ss; do
     mkdir -p "$F/streaming/class/$s"
-    ln -sf ../../header/h   "$F/streaming/class/$s/h"
+    ln -sf ../../header/h  "$F/streaming/class/$s/h"
 done
 
-# 3‑c  Video‑control header (and class links)
+# 3‑c  Link format #1 (our YUY2 descriptor) into the header.
+#      Path is *relative* to header/h, hence ../../uncompressed/u
+ln -sf ../../uncompressed/u  "$F/streaming/header/h/1"
+
+echo 1  >"$F/streaming/header/h/bNumFormats"   # exactly one format
+echo 0  >"$F/streaming/header/h/bmInfo"
+
+# 3‑d  Video‑CONTROL side needs the very same header
 mkdir -p "$F/control/header/h"
 for s in fs hs ss; do
     mkdir -p "$F/control/class/$s"
-    ln -sf ../../header/h   "$F/control/class/$s/h"
+    ln -sf ../../header/h  "$F/control/class/$s/h"
 done
 
+# Friendly string for entity (unchanged)
+mkdir -p "$F/control/header/strings/0x409"
+echo "Lesavka UVC" >"$F/control/header/strings/0x409/label"
+
 # Friendly string for the camera entity
 mkdir -p "$F/control/header/strings/0x409"
 echo "Lesavka UVC" >"$F/control/header/strings/0x409/label"