/* * 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);