[lantiq] adds 3.3 patches and files

[openwrt.git] / target / linux / lantiq / files-3.3 / arch / mips / include / asm / mach-lantiq / dev-gpio-buttons.h

diff --git a/target/linux/lantiq/files-3.3/arch/mips/include/asm/mach-lantiq/dev-gpio-buttons.h b/target/linux/lantiq/files-3.3/arch/mips/include/asm/mach-lantiq/dev-gpio-buttons.h
new file mode 100644 (file)
index 0000000..adb531c
--- /dev/null
+++ b/target/linux/lantiq/files-3.3/arch/mips/include/asm/mach-lantiq/dev-gpio-buttons.h
@@ -0,0 +1,26 @@
+/*
+ *  Lantiq GPIO button support
+ *
+ *  Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
+ *  Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
+ *
+ *  This program is free software; you can redistribute it and/or modify it
+ *  under the terms of the GNU General Public License version 2 as published
+ *  by the Free Software Foundation.
+ */
+
+#ifndef _LANTIQ_DEV_GPIO_BUTTONS_H
+#define _LANTIQ_DEV_GPIO_BUTTONS_H
+
+#include <linux/input.h>
+#include <linux/gpio_keys.h>
+
+#define LTQ_KEYS_POLL_INTERVAL         20 /* msecs */
+#define LTQ_KEYS_DEBOUNCE_INTERVAL     (3 * LTQ_KEYS_POLL_INTERVAL)
+
+void ltq_register_gpio_keys_polled(int id,
+                                     unsigned poll_interval,
+                                     unsigned nbuttons,
+                                     struct gpio_keys_button *buttons);
+
+#endif /* _LANTIQ_DEV_GPIO_BUTTONS_H */