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List:       linux-backports
Subject:    [PATCH 2/7] header: add TRACE_DEFINE_ENUM define for v4l2
From:       Hauke Mehrtens <hauke () hauke-m ! de>
Date:       2015-04-26 21:04:19
Message-ID: 1430082264-11808-3-git-send-email-hauke () hauke-m ! de
[Download RAW message or body]

v4l2 makes use of TRACE_DEFINE_ENUM. This was introduced in 0c564a538
and is not supported in older kernel versions, implement it empty.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
---
 backport/backport-include/linux/tracepoint.h | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 backport/backport-include/linux/tracepoint.h

diff --git a/backport/backport-include/linux/tracepoint.h b/backport/backport-include/linux/tracepoint.h
new file mode 100644
index 0000000..a695c6f
--- /dev/null
+++ b/backport/backport-include/linux/tracepoint.h
@@ -0,0 +1,10 @@
+#include_next <linux/tracepoint.h>
+
+#ifndef __BACKPORT_LINUX_TRACEPOINT_H
+#define __BACKPORT_LINUX_TRACEPOINT_H
+
+#ifndef TRACE_DEFINE_ENUM
+#define TRACE_DEFINE_ENUM(a)
+#endif
+
+#endif /* __BACKPORT_LINUX_TRACEPOINT_H */
-- 
1.9.1

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