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authorAnton Altaparmakov <aia21@cantab.net>2005-05-21 22:00:02 +0100
committerAnton Altaparmakov <aia21@cantab.net>2005-05-21 22:00:02 +0100
commit67394f8f069c2fdf90f3b6d851824c07815442af (patch)
tree0c33e62d34dbaecea434ae9ece3cc0c56db8b1f7 /include/linux/patchkey.h
parent450cbfbbbd88876e3ccec1d277f613221ca82bb7 (diff)
parent9636273dae265b9354b861b373cd43cd76a6d0fe (diff)
Merge with /usr/src/ntfs-2.6.git
Diffstat (limited to 'include/linux/patchkey.h')
-rw-r--r--include/linux/patchkey.h45
1 files changed, 45 insertions, 0 deletions
diff --git a/include/linux/patchkey.h b/include/linux/patchkey.h
new file mode 100644
index 000000000000..d974a6e92372
--- /dev/null
+++ b/include/linux/patchkey.h
@@ -0,0 +1,45 @@
+/*
+ * <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 _LINUX_PATCHKEY_H
+#define _LINUX_PATCHKEY_H
+
+/* Endian macros. */
+#ifdef __KERNEL__
+# include <asm/byteorder.h>
+#else
+# include <endian.h>
+#endif
+
+#if defined(__KERNEL__)
+# if defined(__BIG_ENDIAN)
+# define _PATCHKEY(id) (0xfd00|id)
+# elif defined(__LITTLE_ENDIAN)
+# define _PATCHKEY(id) ((id<<8)|0x00fd)
+# else
+# error "could not determine byte order"
+# endif
+#elif 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 /* _LINUX_PATCHKEY_H */