From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- drivers/input/evbug.c | 119 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 119 insertions(+) create mode 100644 drivers/input/evbug.c (limited to 'drivers/input/evbug.c') diff --git a/drivers/input/evbug.c b/drivers/input/evbug.c new file mode 100644 index 000000000..cd4e6679d --- /dev/null +++ b/drivers/input/evbug.c @@ -0,0 +1,119 @@ +/* + * Copyright (c) 1999-2001 Vojtech Pavlik + */ + +/* + * Input driver event debug module - dumps all events into syslog + */ + +/* + * 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. 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Should you need to contact me, the author, you can do so either by + * e-mail - mail your message to , or by paper mail: + * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include +#include +#include +#include +#include + +MODULE_AUTHOR("Vojtech Pavlik "); +MODULE_DESCRIPTION("Input driver event debug module"); +MODULE_LICENSE("GPL"); + +static void evbug_event(struct input_handle *handle, unsigned int type, unsigned int code, int value) +{ + printk(KERN_DEBUG pr_fmt("Event. Dev: %s, Type: %d, Code: %d, Value: %d\n"), + dev_name(&handle->dev->dev), type, code, value); +} + +static int evbug_connect(struct input_handler *handler, struct input_dev *dev, + const struct input_device_id *id) +{ + struct input_handle *handle; + int error; + + handle = kzalloc(sizeof(struct input_handle), GFP_KERNEL); + if (!handle) + return -ENOMEM; + + handle->dev = dev; + handle->handler = handler; + handle->name = "evbug"; + + error = input_register_handle(handle); + if (error) + goto err_free_handle; + + error = input_open_device(handle); + if (error) + goto err_unregister_handle; + + printk(KERN_DEBUG pr_fmt("Connected device: %s (%s at %s)\n"), + dev_name(&dev->dev), + dev->name ?: "unknown", + dev->phys ?: "unknown"); + + return 0; + + err_unregister_handle: + input_unregister_handle(handle); + err_free_handle: + kfree(handle); + return error; +} + +static void evbug_disconnect(struct input_handle *handle) +{ + printk(KERN_DEBUG pr_fmt("Disconnected device: %s\n"), + dev_name(&handle->dev->dev)); + + input_close_device(handle); + input_unregister_handle(handle); + kfree(handle); +} + +static const struct input_device_id evbug_ids[] = { + { .driver_info = 1 }, /* Matches all devices */ + { }, /* Terminating zero entry */ +}; + +MODULE_DEVICE_TABLE(input, evbug_ids); + +static struct input_handler evbug_handler = { + .event = evbug_event, + .connect = evbug_connect, + .disconnect = evbug_disconnect, + .name = "evbug", + .id_table = evbug_ids, +}; + +static int __init evbug_init(void) +{ + return input_register_handler(&evbug_handler); +} + +static void __exit evbug_exit(void) +{ + input_unregister_handler(&evbug_handler); +} + +module_init(evbug_init); +module_exit(evbug_exit); -- cgit v1.2.3-54-g00ecf