android_kernel_cmhtcleo/arch/arm/mach-msm/board-supersonic-keypad.c
2010-08-27 11:19:57 +02:00

97 lines
2.4 KiB
C

/* arch/arm/mach-msm/board-supersonic-keypad.c
*
* Copyright (C) 2009 Google, Inc
* Copyright (C) 2009 HTC Corporation.
*
* Author: Dima Zavin <dima@android.com>
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/gpio_event.h>
#include <linux/input.h>
#include <linux/interrupt.h>
#include <linux/platform_device.h>
#include <mach/vreg.h>
#include <linux/keyreset.h>
#include <asm/mach-types.h>
#include "board-supersonic.h"
static struct gpio_event_direct_entry supersonic_keypad_nav_map[] = {
{ SUPERSONIC_POWER_KEY, KEY_POWER },
{ SUPERSONIC_VOLUME_UP, KEY_VOLUMEUP },
{ SUPERSONIC_VOLUME_DOWN, KEY_VOLUMEDOWN },
};
static struct gpio_event_input_info supersonic_keypad_nav_info = {
.info.func = gpio_event_input_func,
.flags = GPIOEDF_PRINT_KEYS,
.type = EV_KEY,
.keymap = supersonic_keypad_nav_map,
.debounce_time.tv.nsec = 20 * NSEC_PER_MSEC,
.keymap_size = ARRAY_SIZE(supersonic_keypad_nav_map)
};
static struct gpio_event_info *supersonic_keypad_info[] = {
&supersonic_keypad_nav_info.info,
};
static struct gpio_event_platform_data supersonic_keypad_data = {
.name = "supersonic-keypad",
.info = supersonic_keypad_info,
.info_count = ARRAY_SIZE(supersonic_keypad_info)
};
static struct platform_device supersonic_keypad_device = {
.name = GPIO_EVENT_DEV_NAME,
.id = 0,
.dev = {
.platform_data = &supersonic_keypad_data,
},
};
static struct keyreset_platform_data supersonic_reset_keys_pdata = {
.keys_down = {
KEY_POWER,
KEY_VOLUMEUP,
KEY_VOLUMEDOWN,
0
},
};
static struct platform_device supersonic_reset_keys_device = {
.name = KEYRESET_NAME,
.dev.platform_data = &supersonic_reset_keys_pdata,
};
static int __init supersonic_init_keypad(void)
{
int ret;
if (!machine_is_supersonic())
return 0;
if (platform_device_register(&supersonic_reset_keys_device))
printk(KERN_WARNING "%s: register reset key fail\n", __func__);
ret = platform_device_register(&supersonic_keypad_device);
if (ret != 0)
return ret;
return 0;
}
device_initcall(supersonic_init_keypad);