cregit-Linux how code gets into the kernel

Release 4.11 drivers/media/usb/pvrusb2/pvrusb2-main.c

/*
 *
 *
 *  Copyright (C) 2005 Mike Isely <isely@pobox.com>
 *  Copyright (C) 2004 Aurelien Alleaume <slts@free.fr>
 *
 *  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
 *
 *  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.
 *
 */

#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/module.h>
#include <linux/usb.h>
#include <linux/videodev2.h>

#include "pvrusb2-hdw.h"
#include "pvrusb2-devattr.h"
#include "pvrusb2-context.h"
#include "pvrusb2-debug.h"
#include "pvrusb2-v4l2.h"
#ifdef CONFIG_VIDEO_PVRUSB2_SYSFS
#include "pvrusb2-sysfs.h"
#endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */


#define DRIVER_AUTHOR "Mike Isely <isely@pobox.com>"

#define DRIVER_DESC "Hauppauge WinTV-PVR-USB2 MPEG2 Encoder/Tuner"

#define DRIVER_VERSION "V4L in-tree version"


#define DEFAULT_DEBUG_MASK (PVR2_TRACE_ERROR_LEGS| \
                            PVR2_TRACE_INFO| \
                            PVR2_TRACE_STD| \
                            PVR2_TRACE_TOLERANCE| \
                            PVR2_TRACE_TRAP| \
                            0)


int pvrusb2_debug = DEFAULT_DEBUG_MASK;

module_param_named(debug,pvrusb2_debug,int,S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(debug, "Debug trace mask");

#ifdef CONFIG_VIDEO_PVRUSB2_SYSFS

static struct pvr2_sysfs_class *class_ptr = NULL;
#endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */


static void pvr_setup_attach(struct pvr2_context *pvr) { /* Create association with v4l layer */ pvr2_v4l2_create(pvr); #ifdef CONFIG_VIDEO_PVRUSB2_DVB /* Create association with dvb layer */ pvr2_dvb_create(pvr); #endif #ifdef CONFIG_VIDEO_PVRUSB2_SYSFS pvr2_sysfs_create(pvr,class_ptr); #endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */ }

Contributors

PersonTokensPropCommitsCommitProp
Mike Isely3175.61%266.67%
Michael Ira Krufky1024.39%133.33%
Total41100.00%3100.00%


static int pvr_probe(struct usb_interface *intf, const struct usb_device_id *devid) { struct pvr2_context *pvr; /* Create underlying hardware interface */ pvr = pvr2_context_create(intf,devid,pvr_setup_attach); if (!pvr) { pvr2_trace(PVR2_TRACE_ERROR_LEGS, "Failed to create hdw handler"); return -ENOMEM; } pvr2_trace(PVR2_TRACE_INIT,"pvr_probe(pvr=%p)",pvr); usb_set_intfdata(intf, pvr); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Mike Isely71100.00%1100.00%
Total71100.00%1100.00%

/* * pvr_disconnect() * */
static void pvr_disconnect(struct usb_interface *intf) { struct pvr2_context *pvr = usb_get_intfdata(intf); pvr2_trace(PVR2_TRACE_INIT,"pvr_disconnect(pvr=%p) BEGIN",pvr); usb_set_intfdata (intf, NULL); pvr2_context_disconnect(pvr); pvr2_trace(PVR2_TRACE_INIT,"pvr_disconnect(pvr=%p) DONE",pvr); }

Contributors

PersonTokensPropCommitsCommitProp
Mike Isely51100.00%1100.00%
Total51100.00%1100.00%

static struct usb_driver pvr_driver = { .name = "pvrusb2", .id_table = pvr2_device_table, .probe = pvr_probe, .disconnect = pvr_disconnect }; /* * pvr_init() / pvr_exit() * * This code is run to initialize/exit the driver. * */
static int __init pvr_init(void) { int ret; pvr2_trace(PVR2_TRACE_INIT,"pvr_init"); ret = pvr2_context_global_init(); if (ret != 0) { pvr2_trace(PVR2_TRACE_INIT,"pvr_init failure code=%d",ret); return ret; } #ifdef CONFIG_VIDEO_PVRUSB2_SYSFS class_ptr = pvr2_sysfs_class_create(); #endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */ ret = usb_register(&pvr_driver); if (ret == 0) printk(KERN_INFO "pvrusb2: " DRIVER_VERSION ":" DRIVER_DESC "\n"); if (pvrusb2_debug) printk(KERN_INFO "pvrusb2: Debug mask is %d (0x%x)\n", pvrusb2_debug,pvrusb2_debug); pvr2_trace(PVR2_TRACE_INIT,"pvr_init complete"); return ret; }

Contributors

PersonTokensPropCommitsCommitProp
Mike Isely9996.12%375.00%
Greg Kroah-Hartman43.88%125.00%
Total103100.00%4100.00%


static void __exit pvr_exit(void) { pvr2_trace(PVR2_TRACE_INIT,"pvr_exit"); usb_deregister(&pvr_driver); pvr2_context_global_done(); #ifdef CONFIG_VIDEO_PVRUSB2_SYSFS pvr2_sysfs_class_destroy(class_ptr); #endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */ pvr2_trace(PVR2_TRACE_INIT,"pvr_exit complete"); }

Contributors

PersonTokensPropCommitsCommitProp
Mike Isely43100.00%4100.00%
Total43100.00%4100.00%

module_init(pvr_init); module_exit(pvr_exit); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_LICENSE("GPL"); MODULE_VERSION("0.9.1");

Overall Contributors

PersonTokensPropCommitsCommitProp
Mike Isely44395.68%969.23%
Michael Ira Krufky102.16%17.69%
Mauro Carvalho Chehab51.08%17.69%
Greg Kroah-Hartman40.86%17.69%
Sakari Ailus10.22%17.69%
Total463100.00%13100.00%
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