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| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2008-02-07 12:57:44 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2008-02-07 12:57:44 -0800 |
| commit | 6e5565f949af1322f8f3d3f43d044645ae448499 (patch) | |
| tree | 92868f6d3dcc6c105a0d35f9412f75c07139402e /drivers/input/apm-power.c | |
| parent | e5a9e8e6890d9b9c7a0f25b03ffdaf28614a9a4c (diff) | |
| parent | 03366e7b9bf1544cb0b98f1a5cd6d340654f486a (diff) | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (34 commits)
Input: i8042 - non-x86 build fix
Input: pxa27x_keypad - also enable on PXA3xx
Input: pxa27x_keypad - add debounce_interval to the keypad platform data
Input: pxa27x_keypad - use device resources for I/O memory mapping and IRQ
Input: pxa27x_keypad - enable rotary encoders and direct keys
Input: pxa27x_keypad - introduce pxa27x_keypad_config()
Input: pxa27x_keypad - introduce driver structure and use KEY() to define matrix keys
Input: pxa27x_keypad - remove pin configuration from the driver
Input: pxa27x_keypad - rename the driver (was pxa27x_keyboard)
Input: constify function pointer tables (seq_operations)
Input: i8042 - add Fujitsu-Siemens Amilo Pro 2010 to nomux list
Input: i8042 - enable DMI quirks on x86-64
Input: i8042 - add Dritek quirk for Acer Aspire 9110
Input: add input event to APM event bridge
Input: mousedev - use BIT_MASK instead of BIT
Input: remove duplicate includes
Input: remove cdev from input_dev structure
Input: remove duplicated headers in drivers/char/keyboard.c
Input: i8042 - add Dritek keyboard extension quirk
Input: add Tosa keyboard driver
...
Diffstat (limited to 'drivers/input/apm-power.c')
| -rw-r--r-- | drivers/input/apm-power.c | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/drivers/input/apm-power.c b/drivers/input/apm-power.c new file mode 100644 index 00000000000..c36d110b349 --- /dev/null +++ b/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"); |
