cregit-Linux how code gets into the kernel

Release 4.14 drivers/macintosh/via-pmu-event.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; }

Contributors

PersonTokensPropCommitsCommitProp
Johannes Berg131100.00%1100.00%
Total131100.00%1100.00%


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); }

Contributors

PersonTokensPropCommitsCommitProp
Johannes Berg60100.00%1100.00%
Total60100.00%1100.00%

late_initcall(via_pmu_event_init);

Overall Contributors

PersonTokensPropCommitsCommitProp
Johannes Berg215100.00%1100.00%
Total215100.00%1100.00%
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