81 строка
2.1 KiB
C
81 строка
2.1 KiB
C
|
/*
|
||
|
|
* via-pmu event device for reporting some events that come through the PMU
|
||
|
|
*
|
||
|
|
* Copyright 2006 Johannes Berg <johannes@sipsolutions.net>
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU General Public License as published by
|
||
|
|
* the Free Software Foundation; either version 2 of the License, or
|
||
|
|
* (at your option) any later version.
|
||
|
|
*
|
||
|
|
* 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, GOOD TITLE or
|
||
|
|
* NON INFRINGEMENT. See the GNU General Public License for more
|
||
|
|
* details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU General Public License
|
||
|
|
* along with this program; if not, write to the Free Software
|
||
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <linux/input.h>
|
||
|
|
#include <linux/adb.h>
|
||
|
|
#include <linux/pmu.h>
|
||
|
|
#include "via-pmu-event.h"
|
||
|
|
|
||
|
|
static struct input_dev *pmu_input_dev;
|
||
|
|
|
||
|
|
static int __init via_pmu_event_init(void)
|
||
|
|
{
|
||
|
|
int err;
|
||
|
|
|
||
|
|
/* do other models report button/lid status? */
|
||
|
|
if (pmu_get_model() != PMU_KEYLARGO_BASED)
|
||
|
|
return -ENODEV;
|
||
|
|
|
||
|
|
pmu_input_dev = input_allocate_device();
|
||
|
|
if (!pmu_input_dev)
|
||
|
|
return -ENOMEM;
|
||
|
|
|
||
|
|
pmu_input_dev->name = "PMU";
|
||
|
|
pmu_input_dev->id.bustype = BUS_HOST;
|
||
|
|
pmu_input_dev->id.vendor = 0x0001;
|
||
|
|
pmu_input_dev->id.product = 0x0001;
|
||
|
|
pmu_input_dev->id.version = 0x0100;
|
||
|
|
|
||
|
|
set_bit(EV_KEY, pmu_input_dev->evbit);
|
||
|
|
set_bit(EV_SW, pmu_input_dev->evbit);
|
||
|
|
set_bit(KEY_POWER, pmu_input_dev->keybit);
|
||
|
|
set_bit(SW_LID, pmu_input_dev->swbit);
|
||
|
|
|
||
|
|
err = input_register_device(pmu_input_dev);
|
||
|
|
if (err)
|
||
|
|
input_free_device(pmu_input_dev);
|
||
|
|
return err;
|
||
|
|
}
|
||
|
|
|
||
|
|
void via_pmu_event(int key, int down)
|
||
|
|
{
|
||
|
|
|
||
|
|
if (unlikely(!pmu_input_dev))
|
||
|
|
return;
|
||
|
|
|
||
|
|
switch (key) {
|
||
|
|
case PMU_EVT_POWER:
|
||
|
|
input_report_key(pmu_input_dev, KEY_POWER, down);
|
||
|
|
break;
|
||
|
|
case PMU_EVT_LID:
|
||
|
|
input_report_switch(pmu_input_dev, SW_LID, down);
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
/* no such key handled */
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
input_sync(pmu_input_dev);
|
||
|
|
}
|
||
|
|
|
||
|
|
late_initcall(via_pmu_event_init);
|