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authorJiri Kosina <jkosina@suse.cz>2012-10-28 19:28:52 +0100
committerJiri Kosina <jkosina@suse.cz>2012-10-28 19:29:19 +0100
commit3bd7bf1f0fe14f591c089ae61bbfa9bd356f178a (patch)
tree0058693cc9e70b7461dae551f8a19aff2efd13ca /include/uapi/linux/patchkey.h
parentf16f84937d769c893492160b1a8c3672e3992beb (diff)
parente657e078d3dfa9f96976db7a2b5fd7d7c9f1f1a6 (diff)
Merge branch 'master' into for-next
Sync up with Linus' tree to be able to apply Cesar's patch against newer version of the code. Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'include/uapi/linux/patchkey.h')
-rw-r--r--include/uapi/linux/patchkey.h37
1 files changed, 37 insertions, 0 deletions
diff --git a/include/uapi/linux/patchkey.h b/include/uapi/linux/patchkey.h
new file mode 100644
index 00000000000..1bda0e56bc5
--- /dev/null
+++ b/include/uapi/linux/patchkey.h
@@ -0,0 +1,37 @@
+/*
+ * <linux/patchkey.h> -- definition of _PATCHKEY macro
+ *
+ * Copyright (C) 2005 Stuart Brady
+ *
+ * This exists because awe_voice.h defined its own _PATCHKEY and it wasn't
+ * clear whether removing this would break anything in userspace.
+ *
+ * Do not include this file directly. Please use <sys/soundcard.h> instead.
+ * For kernel code, use <linux/soundcard.h>
+ */
+
+#ifndef _LINUX_PATCHKEY_H_INDIRECT
+#error "patchkey.h included directly"
+#endif
+
+#ifndef _UAPI_LINUX_PATCHKEY_H
+#define _UAPI_LINUX_PATCHKEY_H
+
+/* Endian macros. */
+#ifndef __KERNEL__
+# include <endian.h>
+#endif
+
+#if !defined(__KERNEL__)
+#if defined(__BYTE_ORDER)
+# if __BYTE_ORDER == __BIG_ENDIAN
+# define _PATCHKEY(id) (0xfd00|id)
+# elif __BYTE_ORDER == __LITTLE_ENDIAN
+# define _PATCHKEY(id) ((id<<8)|0x00fd)
+# else
+# error "could not determine byte order"
+# endif
+#endif
+#endif
+
+#endif /* _UAPI_LINUX_PATCHKEY_H */