diff --git a/src/libcamera/pipeline/camss/camss_util.cpp b/src/libcamera/pipeline/camss/camss_util.cpp
new file mode 100644
index 000000000..96b1bbc72
--- /dev/null
+++ b/src/libcamera/pipeline/camss/camss_util.cpp
@@ -0,0 +1,39 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Qualcomm CAMSS utility functions
+ *
+ * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
+ */
+
+#include "camss_util.h"
+
+#include <libcamera/base/log.h>
+
+#include <libcamera/stream.h>
+
+#include "libcamera/internal/v4l2_videodevice.h"
+
+namespace libcamera {
+
+LOG_DECLARE_CATEGORY(Camss)
+
+bool camssV4L2DeviceFormatMatchesStreamConfig(const V4L2DeviceFormat &fmt,
+					      const StreamConfiguration &cfg,
+					      const char *msgPrefix)
+{
+	if (cfg.pixelFormat != fmt.fourcc.toPixelFormat(false) || cfg.size != fmt.size ||
+	    cfg.stride != fmt.planes[0].bpl) {
+		LOG(Camss, Error)
+			<< msgPrefix
+			<< " StreamConfiguration vs V4L2DeviceFormat mismatch"
+			<< " pixelFormat " << cfg.pixelFormat << ", " << fmt.fourcc.toPixelFormat(false)
+			<< " size " << cfg.size << ", " << fmt.size
+			<< " stride " << cfg.stride << ", " << fmt.planes[0].bpl
+			<< " frameSize " << cfg.frameSize << ", " << fmt.planes[0].size;
+		return false;
+	}
+
+	return true;
+}
+
+} /* namespace libcamera */
diff --git a/src/libcamera/pipeline/camss/camss_util.h b/src/libcamera/pipeline/camss/camss_util.h
new file mode 100644
index 000000000..111c305aa
--- /dev/null
+++ b/src/libcamera/pipeline/camss/camss_util.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Qualcomm CAMSS utility functions
+ *
+ * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
+ */
+
+#pragma once
+
+namespace libcamera {
+
+struct StreamConfiguration;
+class V4L2DeviceFormat;
+
+bool camssV4L2DeviceFormatMatchesStreamConfig(const V4L2DeviceFormat &fmt,
+					      const StreamConfiguration &cfg,
+					      const char *msgPrefix);
+
+} /* namespace libcamera */