linux-kernel - [PATCH] acpi: Provide decls for standalone compilation of video.h without ACPI

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Message-Id: <1283693757-8199-1-git-send-email-chris@chris-wilson.co.uk>
Date:	Sun,  5 Sep 2010 14:35:57 +0100
From:	Chris Wilson <chris@...is-wilson.co.uk>
To:	linux-kernel@...r.kernel.org
Cc:	Chris Wilson <chris@...is-wilson.co.uk>,
	Matthew Garrett <mjg@...hat.com>,
	Zhang Rui <rui.zhang@...el.com>,
	Len Brown <len.brown@...el.com>
Subject: [PATCH] acpi: Provide decls for standalone compilation of video.h without ACPI

Signed-off-by: Chris Wilson <chris@...is-wilson.co.uk>
Cc: Matthew Garrett <mjg@...hat.com>
Cc: Zhang Rui <rui.zhang@...el.com>
Cc: Len Brown <len.brown@...el.com>
---
 include/acpi/video.h |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/include/acpi/video.h b/include/acpi/video.h
index 551793c..bcb4f00 100644
--- a/include/acpi/video.h
+++ b/include/acpi/video.h
@@ -16,6 +16,10 @@ extern void acpi_video_unregister(void);
 extern int acpi_video_get_edid(struct acpi_device *device, int type,
 			       int device_id, void **edid);
 #else
+
+#include <linux/errno.h> /* for ENODEV */
+struct acpi_device;
+
 static inline int acpi_video_register(void) { return 0; }
 static inline void acpi_video_unregister(void) { return; }
 static inline int acpi_video_get_edid(struct acpi_device *device, int type,
@@ -26,4 +30,3 @@ static inline int acpi_video_get_edid(struct acpi_device *device, int type,
 #endif
 
 #endif
-
-- 
1.7.1

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