Patch out IPA signature validation in libcamera

overlays/0001-Ignore-IPA-signing.patch

@@ -0,0 +1,25 @@
+From 625939e594ce255afa3fab3a40c3e524460e1f8b Mon Sep 17 00:00:00 2001
+From: Jordan Holt <jordan@vimium.com>
+Date: Sat, 10 Aug 2024 18:28:08 +0100
+Subject: [PATCH] Ignore IPA signing
+
+---
+ src/libcamera/ipa_manager.cpp | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/libcamera/ipa_manager.cpp b/src/libcamera/ipa_manager.cpp
+index 6d5bbd05..43004175 100644
+--- a/src/libcamera/ipa_manager.cpp
++++ b/src/libcamera/ipa_manager.cpp
+@@ -295,7 +295,7 @@ bool IPAManager::isSignatureValid([[maybe_unused]] IPAModule *ipa) const
+ 	if (data.empty())
+ 		return false;
+ 
+-	bool valid = pubKey_.verify(data, ipa->signature());
++	bool valid = true;
+ 
+ 	LOG(IPAManager, Debug)
+ 		<< "IPA module " << ipa->path() << " signature is "
+-- 
+2.44.1
+

overlays/libcamera.nix

@@ -7,6 +7,7 @@ final: prev:
 
     patches = [
       ./0001-Remove-relative-config-lookups.patch
+      ./0001-Ignore-IPA-signing.patch
     ];
 
     mesonFlags = old.mesonFlags ++ [