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authorFlorian Tobias Schandinat <FlorianSchandinat@gmx.de>2011-11-21 23:42:06 +0000
committerFlorian Tobias Schandinat <FlorianSchandinat@gmx.de>2011-11-21 23:42:06 +0000
commit300e812db26f4aa022e346f5fb9af1af134d98d8 (patch)
tree382b45253a704087e8aa0c770bf3fc2ad67d4b02 /arch/x86/include/asm/intel_scu_ipc.h
parent4420dd2b306f1997232a13462bca0d420be5b1b8 (diff)
parentcfcfc9eca2bcbd26a8e206baeb005b055dbf8e37 (diff)
Merge commit 'v3.2-rc2' into fbdev-next
Diffstat (limited to 'arch/x86/include/asm/intel_scu_ipc.h')
-rw-r--r--arch/x86/include/asm/intel_scu_ipc.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/x86/include/asm/intel_scu_ipc.h b/arch/x86/include/asm/intel_scu_ipc.h
index 29f66793cc5..4420993acc4 100644
--- a/arch/x86/include/asm/intel_scu_ipc.h
+++ b/arch/x86/include/asm/intel_scu_ipc.h
@@ -1,6 +1,8 @@
#ifndef _ASM_X86_INTEL_SCU_IPC_H_
#define _ASM_X86_INTEL_SCU_IPC_H_
+#include <linux/notifier.h>
+
#define IPCMSG_VRTC 0xFA /* Set vRTC device */
/* Command id associated with message IPCMSG_VRTC */
@@ -44,4 +46,24 @@ int intel_scu_ipc_i2c_cntrl(u32 addr, u32 *data);
/* Update FW version */
int intel_scu_ipc_fw_update(u8 *buffer, u32 length);
+extern struct blocking_notifier_head intel_scu_notifier;
+
+static inline void intel_scu_notifier_add(struct notifier_block *nb)
+{
+ blocking_notifier_chain_register(&intel_scu_notifier, nb);
+}
+
+static inline void intel_scu_notifier_remove(struct notifier_block *nb)
+{
+ blocking_notifier_chain_unregister(&intel_scu_notifier, nb);
+}
+
+static inline int intel_scu_notifier_post(unsigned long v, void *p)
+{
+ return blocking_notifier_call_chain(&intel_scu_notifier, v, p);
+}
+
+#define SCU_AVAILABLE 1
+#define SCU_DOWN 2
+
#endif