cregit-Linux how code gets into the kernel

Release 4.11 drivers/input/misc/m68kspkr.c

/*
 *  m68k beeper driver for Linux
 *
 *  Copyright (c) 2002 Richard Zidlicky
 *  Copyright (c) 2002 Vojtech Pavlik
 *  Copyright (c) 1992 Orest Zborowski
 *
 */

/*
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 as published by
 * the Free Software Foundation
 */

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/input.h>
#include <linux/platform_device.h>
#include <asm/machdep.h>
#include <asm/io.h>

MODULE_AUTHOR("Richard Zidlicky <rz@linux-m68k.org>");
MODULE_DESCRIPTION("m68k beeper driver");
MODULE_LICENSE("GPL");


static struct platform_device *m68kspkr_platform_device;


static int m68kspkr_event(struct input_dev *dev, unsigned int type, unsigned int code, int value) { unsigned int count = 0; if (type != EV_SND) return -1; switch (code) { case SND_BELL: if (value) value = 1000; case SND_TONE: break; default: return -1; } if (value > 20 && value < 32767) count = 1193182 / value; mach_beep(count, -1); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Richard Zidlicky91100.00%1100.00%
Total91100.00%1100.00%


static int m68kspkr_probe(struct platform_device *dev) { struct input_dev *input_dev; int err; input_dev = input_allocate_device(); if (!input_dev) return -ENOMEM; input_dev->name = "m68k beeper"; input_dev->phys = "m68k/generic"; input_dev->id.bustype = BUS_HOST; input_dev->id.vendor = 0x001f; input_dev->id.product = 0x0001; input_dev->id.version = 0x0100; input_dev->dev.parent = &dev->dev; input_dev->evbit[0] = BIT_MASK(EV_SND); input_dev->sndbit[0] = BIT_MASK(SND_BELL) | BIT_MASK(SND_TONE); input_dev->event = m68kspkr_event; err = input_register_device(input_dev); if (err) { input_free_device(input_dev); return err; } platform_set_drvdata(dev, input_dev); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Dmitry Torokhov11071.43%360.00%
Richard Zidlicky4126.62%120.00%
Jiri Slaby31.95%120.00%
Total154100.00%5100.00%


static int m68kspkr_remove(struct platform_device *dev) { struct input_dev *input_dev = platform_get_drvdata(dev); input_unregister_device(input_dev); /* turn off the speaker */ m68kspkr_event(NULL, EV_SND, SND_BELL, 0); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Dmitry Torokhov3585.37%150.00%
Richard Zidlicky614.63%150.00%
Total41100.00%2100.00%


static void m68kspkr_shutdown(struct platform_device *dev) { /* turn off the speaker */ m68kspkr_event(NULL, EV_SND, SND_BELL, 0); }

Contributors

PersonTokensPropCommitsCommitProp
Dmitry Torokhov23100.00%1100.00%
Total23100.00%1100.00%

static struct platform_driver m68kspkr_platform_driver = { .driver = { .name = "m68kspkr", }, .probe = m68kspkr_probe, .remove = m68kspkr_remove, .shutdown = m68kspkr_shutdown, };
static int __init m68kspkr_init(void) { int err; if (!mach_beep) { printk(KERN_INFO "m68kspkr: no lowlevel beep support\n"); return -ENODEV; } err = platform_driver_register(&m68kspkr_platform_driver); if (err) return err; m68kspkr_platform_device = platform_device_alloc("m68kspkr", -1); if (!m68kspkr_platform_device) { err = -ENOMEM; goto err_unregister_driver; } err = platform_device_add(m68kspkr_platform_device); if (err) goto err_free_device; return 0; err_free_device: platform_device_put(m68kspkr_platform_device); err_unregister_driver: platform_driver_unregister(&m68kspkr_platform_driver); return err; }

Contributors

PersonTokensPropCommitsCommitProp
Dmitry Torokhov104100.00%1100.00%
Total104100.00%1100.00%


static void __exit m68kspkr_exit(void) { platform_device_unregister(m68kspkr_platform_device); platform_driver_unregister(&m68kspkr_platform_driver); }

Contributors

PersonTokensPropCommitsCommitProp
Richard Zidlicky1260.00%150.00%
Dmitry Torokhov840.00%150.00%
Total20100.00%2100.00%

module_init(m68kspkr_init); module_exit(m68kspkr_exit);

Overall Contributors

PersonTokensPropCommitsCommitProp
Dmitry Torokhov31861.27%360.00%
Richard Zidlicky19838.15%120.00%
Jiri Slaby30.58%120.00%
Total519100.00%5100.00%
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with cregit.