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ACPI: suppress compiler warnings in button.c

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This patch fixes following compiler warnings when build via make W=1:

drivers/acpi/button.c:220:5: warning: no previous prototype for ‘acpi_lid_notifier_register’ [-Wmissing-prototypes]
drivers/acpi/button.c:226:5: warning: no previous prototype for ‘acpi_lid_notifier_unregister’ [-Wmissing-prototypes]
drivers/acpi/button.c:232:5: warning: no previous prototype for ‘acpi_lid_open’ [-Wmissing-prototypes]

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Andy Shevchenko 2013-03-11 09:17:04 +00:00 committed by Rafael J. Wysocki
parent e2cb5f0846
commit 6270da6f4d
1 changed files with 1 additions and 0 deletions
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drivers/acpi/button.c
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@ -33,6 +33,7 @@
#include <linux/slab.h>
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>
#include <acpi/button.h>
#define PREFIX "ACPI: "