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1/*2 * via-pmu event device for reporting some events that come through the PMU3 *4 * Copyright 2006 Johannes Berg <johannes@sipsolutions.net>5 *6 * This program is free software; you can redistribute it and/or modify7 * it under the terms of the GNU General Public License as published by8 * the Free Software Foundation; either version 2 of the License, or9 * (at your option) any later version.10 *11 * This program is distributed in the hope that it will be useful, but12 * WITHOUT ANY WARRANTY; without even the implied warranty of13 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or14 * NON INFRINGEMENT. See the GNU General Public License for more15 * details.16 *17 * You should have received a copy of the GNU General Public License18 * along with this program; if not, write to the Free Software19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA20 *21 */22 23#include <linux/input.h>24#include <linux/adb.h>25#include <linux/pmu.h>26#include "via-pmu-event.h"27 28static struct input_dev *pmu_input_dev;29 30static int __init via_pmu_event_init(void)31{32 int err;33 34 /* do other models report button/lid status? */35 if (pmu_get_model() != PMU_KEYLARGO_BASED)36 return -ENODEV;37 38 pmu_input_dev = input_allocate_device();39 if (!pmu_input_dev)40 return -ENOMEM;41 42 pmu_input_dev->name = "PMU";43 pmu_input_dev->id.bustype = BUS_HOST;44 pmu_input_dev->id.vendor = 0x0001;45 pmu_input_dev->id.product = 0x0001;46 pmu_input_dev->id.version = 0x0100;47 48 set_bit(EV_KEY, pmu_input_dev->evbit);49 set_bit(EV_SW, pmu_input_dev->evbit);50 set_bit(KEY_POWER, pmu_input_dev->keybit);51 set_bit(SW_LID, pmu_input_dev->swbit);52 53 err = input_register_device(pmu_input_dev);54 if (err)55 input_free_device(pmu_input_dev);56 return err;57}58 59void via_pmu_event(int key, int down)60{61 62 if (unlikely(!pmu_input_dev))63 return;64 65 switch (key) {66 case PMU_EVT_POWER:67 input_report_key(pmu_input_dev, KEY_POWER, down);68 break;69 case PMU_EVT_LID:70 input_report_switch(pmu_input_dev, SW_LID, down);71 break;72 default:73 /* no such key handled */74 return;75 }76 77 input_sync(pmu_input_dev);78}79 80late_initcall(via_pmu_event_init);81