---

yaml
---
r: 84350
b: refs/heads/master
c: e17bb1d
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d182c10c842007984e12b3b816df2b10d997cc8e
+refs/heads/master: e17bb1de3b7f7569152c71a51e0bafe5419ab54a

trunk/drivers/input/Kconfig

@@ -137,6 +137,18 @@ config INPUT_EVBUG
 	  To compile this driver as a module, choose M here: the
 	  module will be called evbug.
 
+config INPUT_APMPOWER
+	tristate "Input Power Event -> APM Bridge" if EMBEDDED
+	depends on INPUT && APM_EMULATION
+	---help---
+	  Say Y here if you want suspend key events to trigger a user
+	  requested suspend through APM. This is useful on embedded
+	  systems where such behviour is desired without userspace
+	  interaction. If unsure, say N.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called apm-power.
+
 comment "Input Device Drivers"
 
 source "drivers/input/keyboard/Kconfig"

trunk/drivers/input/Makefile

@@ -22,3 +22,4 @@ obj-$(CONFIG_INPUT_TABLET)	+= tablet/
 obj-$(CONFIG_INPUT_TOUCHSCREEN)	+= touchscreen/
 obj-$(CONFIG_INPUT_MISC)	+= misc/
 
+obj-$(CONFIG_INPUT_APMPOWER)	+= apm-power.o

trunk/drivers/input/apm-power.c

@@ -0,0 +1,131 @@
+/*
+ *  Input Power Event -> APM Bridge
+ *
+ *  Copyright (c) 2007 Richard Purdie
+ *
+ *  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.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/input.h>
+#include <linux/slab.h>
+#include <linux/init.h>
+#include <linux/tty.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <linux/apm-emulation.h>
+
+static void system_power_event(unsigned int keycode)
+{
+	switch (keycode) {
+	case KEY_SUSPEND:
+		apm_queue_event(APM_USER_SUSPEND);
+
+		printk(KERN_INFO "apm-power: Requesting system suspend...\n");
+		break;
+	default:
+		break;
+	}
+}
+
+static void apmpower_event(struct input_handle *handle, unsigned int type,
+		        unsigned int code, int value)
+{
+	/* only react on key down events */
+	if (value != 1)
+		return;
+
+	switch (type) {
+	case EV_PWR:
+		system_power_event(code);
+		break;
+
+	default:
+		break;
+	}
+}
+
+static int apmpower_connect(struct input_handler *handler,
+					  struct input_dev *dev,
+					  const struct input_device_id *id)
+{
+	struct input_handle *handle;
+	int error;
+
+	handle = kzalloc(sizeof(struct input_handle), GFP_KERNEL);
+	if (!handle)
+		return -ENOMEM;
+
+	handle->dev = dev;
+	handle->handler = handler;
+	handle->name = "apm-power";
+
+	handler->private = handle;
+
+	error = input_register_handle(handle);
+	if (error) {
+		printk(KERN_ERR
+			"apm-power: Failed to register input power handler, "
+			"error %d\n", error);
+		kfree(handle);
+		return error;
+	}
+
+	error = input_open_device(handle);
+	if (error) {
+		printk(KERN_ERR
+			"apm-power: Failed to open input power device, "
+			"error %d\n", error);
+		input_unregister_handle(handle);
+		kfree(handle);
+		return error;
+	}
+
+	return 0;
+}
+
+static void apmpower_disconnect(struct input_handle *handler)
+{
+	struct input_handle *handle = handler->private;
+
+	input_close_device(handle);
+	kfree(handle);
+}
+
+static const struct input_device_id apmpower_ids[] = {
+	{
+		.flags = INPUT_DEVICE_ID_MATCH_EVBIT,
+		.evbit = { BIT_MASK(EV_PWR) },
+	},
+	{ },
+};
+
+MODULE_DEVICE_TABLE(input, apmpower_ids);
+
+static struct input_handler apmpower_handler = {
+	.event =	apmpower_event,
+	.connect =	apmpower_connect,
+	.disconnect =	apmpower_disconnect,
+	.name =		"apm-power",
+	.id_table =	apmpower_ids,
+};
+
+static int __init apmpower_init(void)
+{
+	return input_register_handler(&apmpower_handler);
+}
+
+static void __exit apmpower_exit(void)
+{
+	input_unregister_handler(&apmpower_handler);
+}
+
+module_init(apmpower_init);
+module_exit(apmpower_exit);
+
+MODULE_AUTHOR("Richard Purdie <rpurdie@rpsys.net>");
+MODULE_DESCRIPTION("Input Power Event -> APM Bridge");
+MODULE_LICENSE("GPL");