Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* A driver for the D-Link DSB-R100 USB radio. The R100 plugs |
| 2 | into both the USB and an analog audio input, so this thing |
| 3 | only deals with initialisation and frequency setting, the |
| 4 | audio data has to be handled by a sound driver. |
| 5 | |
| 6 | Major issue: I can't find out where the device reports the signal |
| 7 | strength, and indeed the windows software appearantly just looks |
| 8 | at the stereo indicator as well. So, scanning will only find |
| 9 | stereo stations. Sad, but I can't help it. |
| 10 | |
| 11 | Also, the windows program sends oodles of messages over to the |
| 12 | device, and I couldn't figure out their meaning. My suspicion |
| 13 | is that they don't have any:-) |
| 14 | |
| 15 | You might find some interesting stuff about this module at |
| 16 | http://unimut.fsk.uni-heidelberg.de/unimut/demi/dsbr |
| 17 | |
| 18 | Copyright (c) 2000 Markus Demleitner <msdemlei@cl.uni-heidelberg.de> |
| 19 | |
| 20 | This program is free software; you can redistribute it and/or modify |
| 21 | it under the terms of the GNU General Public License as published by |
| 22 | the Free Software Foundation; either version 2 of the License, or |
| 23 | (at your option) any later version. |
| 24 | |
| 25 | This program is distributed in the hope that it will be useful, |
| 26 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 27 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 28 | GNU General Public License for more details. |
| 29 | |
| 30 | You should have received a copy of the GNU General Public License |
| 31 | along with this program; if not, write to the Free Software |
| 32 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 33 | |
| 34 | History: |
| 35 | |
| 36 | Version 0.40: |
| 37 | Markus: Updates for 2.6.x kernels, code layout changes, name sanitizing |
| 38 | |
| 39 | Version 0.30: |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 40 | Markus: Updates for 2.5.x kernel and more ISO compliant source |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 41 | |
| 42 | Version 0.25: |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 43 | PSL and Markus: Cleanup, radio now doesn't stop on device close |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 44 | |
| 45 | Version 0.24: |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 46 | Markus: Hope I got these silly VIDEO_TUNER_LOW issues finally |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 47 | right. Some minor cleanup, improved standalone compilation |
| 48 | |
| 49 | Version 0.23: |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 50 | Markus: Sign extension bug fixed by declaring transfer_buffer unsigned |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 51 | |
| 52 | Version 0.22: |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 53 | Markus: Some (brown bag) cleanup in what VIDIOCSTUNER returns, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 54 | thanks to Mike Cox for pointing the problem out. |
| 55 | |
| 56 | Version 0.21: |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 57 | Markus: Minor cleanup, warnings if something goes wrong, lame attempt |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 58 | to adhere to Documentation/CodingStyle |
| 59 | |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 60 | Version 0.2: |
| 61 | Brad Hards <bradh@dynamite.com.au>: Fixes to make it work as non-module |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 62 | Markus: Copyright clarification |
| 63 | |
| 64 | Version 0.01: Markus: initial release |
| 65 | |
| 66 | */ |
| 67 | |
| 68 | |
| 69 | #include <linux/kernel.h> |
| 70 | #include <linux/module.h> |
| 71 | #include <linux/init.h> |
| 72 | #include <linux/slab.h> |
| 73 | #include <linux/input.h> |
| 74 | #include <linux/videodev.h> |
| 75 | #include <linux/usb.h> |
| 76 | #include <linux/smp_lock.h> |
| 77 | |
| 78 | /* |
| 79 | * Version Information |
| 80 | */ |
| 81 | #define DRIVER_VERSION "v0.40" |
| 82 | #define DRIVER_AUTHOR "Markus Demleitner <msdemlei@tucana.harvard.edu>" |
| 83 | #define DRIVER_DESC "D-Link DSB-R100 USB FM radio driver" |
| 84 | |
| 85 | #define DSB100_VENDOR 0x04b4 |
| 86 | #define DSB100_PRODUCT 0x1002 |
| 87 | |
| 88 | /* Commands the device appears to understand */ |
| 89 | #define DSB100_TUNE 1 |
| 90 | #define DSB100_ONOFF 2 |
| 91 | |
| 92 | #define TB_LEN 16 |
| 93 | |
| 94 | /* Frequency limits in MHz -- these are European values. For Japanese |
| 95 | devices, that would be 76 and 91. */ |
| 96 | #define FREQ_MIN 87.5 |
| 97 | #define FREQ_MAX 108.0 |
| 98 | #define FREQ_MUL 16000 |
| 99 | |
| 100 | |
| 101 | static int usb_dsbr100_probe(struct usb_interface *intf, |
| 102 | const struct usb_device_id *id); |
| 103 | static void usb_dsbr100_disconnect(struct usb_interface *intf); |
| 104 | static int usb_dsbr100_ioctl(struct inode *inode, struct file *file, |
| 105 | unsigned int cmd, unsigned long arg); |
| 106 | static int usb_dsbr100_open(struct inode *inode, struct file *file); |
| 107 | static int usb_dsbr100_close(struct inode *inode, struct file *file); |
| 108 | |
| 109 | static int radio_nr = -1; |
| 110 | module_param(radio_nr, int, 0); |
| 111 | |
| 112 | /* Data for one (physical) device */ |
| 113 | typedef struct { |
| 114 | struct usb_device *usbdev; |
| 115 | struct video_device *videodev; |
| 116 | unsigned char transfer_buffer[TB_LEN]; |
| 117 | int curfreq; |
| 118 | int stereo; |
| 119 | int users; |
| 120 | int removed; |
| 121 | } dsbr100_device; |
| 122 | |
| 123 | |
| 124 | /* File system interface */ |
| 125 | static struct file_operations usb_dsbr100_fops = { |
| 126 | .owner = THIS_MODULE, |
| 127 | .open = usb_dsbr100_open, |
| 128 | .release = usb_dsbr100_close, |
| 129 | .ioctl = usb_dsbr100_ioctl, |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 130 | .compat_ioctl = v4l_compat_ioctl32, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 131 | .llseek = no_llseek, |
| 132 | }; |
| 133 | |
| 134 | /* V4L interface */ |
| 135 | static struct video_device dsbr100_videodev_template= |
| 136 | { |
| 137 | .owner = THIS_MODULE, |
| 138 | .name = "D-Link DSB-R 100", |
| 139 | .type = VID_TYPE_TUNER, |
| 140 | .hardware = VID_HARDWARE_AZTECH, |
| 141 | .fops = &usb_dsbr100_fops, |
| 142 | .release = video_device_release, |
| 143 | }; |
| 144 | |
| 145 | static struct usb_device_id usb_dsbr100_device_table [] = { |
| 146 | { USB_DEVICE(DSB100_VENDOR, DSB100_PRODUCT) }, |
| 147 | { } /* Terminating entry */ |
| 148 | }; |
| 149 | |
| 150 | MODULE_DEVICE_TABLE (usb, usb_dsbr100_device_table); |
| 151 | |
| 152 | /* USB subsystem interface */ |
| 153 | static struct usb_driver usb_dsbr100_driver = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 154 | .name = "dsbr100", |
| 155 | .probe = usb_dsbr100_probe, |
| 156 | .disconnect = usb_dsbr100_disconnect, |
| 157 | .id_table = usb_dsbr100_device_table, |
| 158 | }; |
| 159 | |
| 160 | /* Low-level device interface begins here */ |
| 161 | |
| 162 | /* switch on radio */ |
| 163 | static int dsbr100_start(dsbr100_device *radio) |
| 164 | { |
| 165 | if (usb_control_msg(radio->usbdev, usb_rcvctrlpipe(radio->usbdev, 0), |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 166 | USB_REQ_GET_STATUS, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 167 | USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, |
| 168 | 0x00, 0xC7, radio->transfer_buffer, 8, 300)<0 || |
| 169 | usb_control_msg(radio->usbdev, usb_rcvctrlpipe(radio->usbdev, 0), |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 170 | DSB100_ONOFF, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 171 | USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, |
| 172 | 0x01, 0x00, radio->transfer_buffer, 8, 300)<0) |
| 173 | return -1; |
| 174 | return (radio->transfer_buffer)[0]; |
| 175 | } |
| 176 | |
| 177 | |
| 178 | /* switch off radio */ |
| 179 | static int dsbr100_stop(dsbr100_device *radio) |
| 180 | { |
| 181 | if (usb_control_msg(radio->usbdev, usb_rcvctrlpipe(radio->usbdev, 0), |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 182 | USB_REQ_GET_STATUS, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 183 | USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, |
| 184 | 0x16, 0x1C, radio->transfer_buffer, 8, 300)<0 || |
| 185 | usb_control_msg(radio->usbdev, usb_rcvctrlpipe(radio->usbdev, 0), |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 186 | DSB100_ONOFF, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 187 | USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, |
| 188 | 0x00, 0x00, radio->transfer_buffer, 8, 300)<0) |
| 189 | return -1; |
| 190 | return (radio->transfer_buffer)[0]; |
| 191 | } |
| 192 | |
| 193 | /* set a frequency, freq is defined by v4l's TUNER_LOW, i.e. 1/16th kHz */ |
| 194 | static int dsbr100_setfreq(dsbr100_device *radio, int freq) |
| 195 | { |
| 196 | freq = (freq/16*80)/1000+856; |
| 197 | if (usb_control_msg(radio->usbdev, usb_rcvctrlpipe(radio->usbdev, 0), |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 198 | DSB100_TUNE, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 199 | USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 200 | (freq>>8)&0x00ff, freq&0xff, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 201 | radio->transfer_buffer, 8, 300)<0 || |
| 202 | usb_control_msg(radio->usbdev, usb_rcvctrlpipe(radio->usbdev, 0), |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 203 | USB_REQ_GET_STATUS, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 204 | USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, |
| 205 | 0x96, 0xB7, radio->transfer_buffer, 8, 300)<0 || |
| 206 | usb_control_msg(radio->usbdev, usb_rcvctrlpipe(radio->usbdev, 0), |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 207 | USB_REQ_GET_STATUS, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 208 | USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, |
| 209 | 0x00, 0x24, radio->transfer_buffer, 8, 300)<0) { |
| 210 | radio->stereo = -1; |
| 211 | return -1; |
| 212 | } |
| 213 | radio->stereo = ! ((radio->transfer_buffer)[0]&0x01); |
| 214 | return (radio->transfer_buffer)[0]; |
| 215 | } |
| 216 | |
| 217 | /* return the device status. This is, in effect, just whether it |
| 218 | sees a stereo signal or not. Pity. */ |
| 219 | static void dsbr100_getstat(dsbr100_device *radio) |
| 220 | { |
| 221 | if (usb_control_msg(radio->usbdev, usb_rcvctrlpipe(radio->usbdev, 0), |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 222 | USB_REQ_GET_STATUS, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 223 | USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, |
| 224 | 0x00 , 0x24, radio->transfer_buffer, 8, 300)<0) |
| 225 | radio->stereo = -1; |
| 226 | else |
| 227 | radio->stereo = ! (radio->transfer_buffer[0]&0x01); |
| 228 | } |
| 229 | |
| 230 | |
| 231 | /* USB subsystem interface begins here */ |
| 232 | |
| 233 | /* check if the device is present and register with v4l and |
| 234 | usb if it is */ |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 235 | static int usb_dsbr100_probe(struct usb_interface *intf, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 236 | const struct usb_device_id *id) |
| 237 | { |
| 238 | dsbr100_device *radio; |
| 239 | |
| 240 | if (!(radio = kmalloc(sizeof(dsbr100_device), GFP_KERNEL))) |
| 241 | return -ENOMEM; |
| 242 | if (!(radio->videodev = video_device_alloc())) { |
| 243 | kfree(radio); |
| 244 | return -ENOMEM; |
| 245 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 246 | memcpy(radio->videodev, &dsbr100_videodev_template, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 247 | sizeof(dsbr100_videodev_template)); |
| 248 | radio->removed = 0; |
| 249 | radio->users = 0; |
| 250 | radio->usbdev = interface_to_usbdev(intf); |
| 251 | radio->curfreq = FREQ_MIN*FREQ_MUL; |
| 252 | video_set_drvdata(radio->videodev, radio); |
| 253 | if (video_register_device(radio->videodev, VFL_TYPE_RADIO, |
| 254 | radio_nr)) { |
| 255 | warn("Could not register video device"); |
| 256 | video_device_release(radio->videodev); |
| 257 | kfree(radio); |
| 258 | return -EIO; |
| 259 | } |
| 260 | usb_set_intfdata(intf, radio); |
| 261 | return 0; |
| 262 | } |
| 263 | |
| 264 | /* handle unplugging of the device, release data structures |
| 265 | if nothing keeps us from doing it. If something is still |
| 266 | keeping us busy, the release callback of v4l will take care |
| 267 | of releasing it. stv680.c does not relase its private |
| 268 | data, so I don't do this here either. Checking out the |
| 269 | code I'd expect I better did that, but if there's a memory |
| 270 | leak here it's tiny (~50 bytes per disconnect) */ |
| 271 | static void usb_dsbr100_disconnect(struct usb_interface *intf) |
| 272 | { |
| 273 | dsbr100_device *radio = usb_get_intfdata(intf); |
| 274 | |
| 275 | usb_set_intfdata (intf, NULL); |
| 276 | if (radio) { |
| 277 | video_unregister_device(radio->videodev); |
| 278 | radio->videodev = NULL; |
| 279 | if (radio->users) { |
| 280 | kfree(radio); |
| 281 | } else { |
| 282 | radio->removed = 1; |
| 283 | } |
| 284 | } |
| 285 | } |
| 286 | |
| 287 | |
| 288 | /* Video for Linux interface */ |
| 289 | |
| 290 | static int usb_dsbr100_do_ioctl(struct inode *inode, struct file *file, |
| 291 | unsigned int cmd, void *arg) |
| 292 | { |
| 293 | dsbr100_device *radio=video_get_drvdata(video_devdata(file)); |
| 294 | |
| 295 | if (!radio) |
| 296 | return -EIO; |
| 297 | |
| 298 | switch(cmd) { |
| 299 | case VIDIOCGCAP: { |
| 300 | struct video_capability *v = arg; |
| 301 | |
| 302 | memset(v, 0, sizeof(*v)); |
| 303 | v->type = VID_TYPE_TUNER; |
| 304 | v->channels = 1; |
| 305 | v->audios = 1; |
| 306 | strcpy(v->name, "D-Link R-100 USB FM Radio"); |
| 307 | return 0; |
| 308 | } |
| 309 | case VIDIOCGTUNER: { |
| 310 | struct video_tuner *v = arg; |
| 311 | |
| 312 | dsbr100_getstat(radio); |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 313 | if(v->tuner) /* Only 1 tuner */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 314 | return -EINVAL; |
| 315 | v->rangelow = FREQ_MIN*FREQ_MUL; |
| 316 | v->rangehigh = FREQ_MAX*FREQ_MUL; |
| 317 | v->flags = VIDEO_TUNER_LOW; |
| 318 | v->mode = VIDEO_MODE_AUTO; |
| 319 | v->signal = radio->stereo*0x7000; |
| 320 | /* Don't know how to get signal strength */ |
| 321 | v->flags |= VIDEO_TUNER_STEREO_ON*radio->stereo; |
| 322 | strcpy(v->name, "DSB R-100"); |
| 323 | return 0; |
| 324 | } |
| 325 | case VIDIOCSTUNER: { |
| 326 | struct video_tuner *v = arg; |
| 327 | |
| 328 | if(v->tuner!=0) |
| 329 | return -EINVAL; |
| 330 | /* Only 1 tuner so no setting needed ! */ |
| 331 | return 0; |
| 332 | } |
| 333 | case VIDIOCGFREQ: { |
| 334 | int *freq = arg; |
| 335 | |
| 336 | if (radio->curfreq==-1) |
| 337 | return -EINVAL; |
| 338 | *freq = radio->curfreq; |
| 339 | return 0; |
| 340 | } |
| 341 | case VIDIOCSFREQ: { |
| 342 | int *freq = arg; |
| 343 | |
| 344 | radio->curfreq = *freq; |
| 345 | if (dsbr100_setfreq(radio, radio->curfreq)==-1) |
| 346 | warn("Set frequency failed"); |
| 347 | return 0; |
| 348 | } |
| 349 | case VIDIOCGAUDIO: { |
| 350 | struct video_audio *v = arg; |
| 351 | |
| 352 | memset(v, 0, sizeof(*v)); |
| 353 | v->flags |= VIDEO_AUDIO_MUTABLE; |
| 354 | v->mode = VIDEO_SOUND_STEREO; |
| 355 | v->volume = 1; |
| 356 | v->step = 1; |
| 357 | strcpy(v->name, "Radio"); |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 358 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 359 | } |
| 360 | case VIDIOCSAUDIO: { |
| 361 | struct video_audio *v = arg; |
| 362 | |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 363 | if (v->audio) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 364 | return -EINVAL; |
| 365 | if (v->flags&VIDEO_AUDIO_MUTE) { |
| 366 | if (dsbr100_stop(radio)==-1) |
| 367 | warn("Radio did not respond properly"); |
| 368 | } |
| 369 | else |
| 370 | if (dsbr100_start(radio)==-1) |
| 371 | warn("Radio did not respond properly"); |
| 372 | return 0; |
| 373 | } |
| 374 | default: |
| 375 | return -ENOIOCTLCMD; |
| 376 | } |
| 377 | } |
| 378 | |
| 379 | static int usb_dsbr100_ioctl(struct inode *inode, struct file *file, |
| 380 | unsigned int cmd, unsigned long arg) |
| 381 | { |
| 382 | return video_usercopy(inode, file, cmd, arg, usb_dsbr100_do_ioctl); |
| 383 | } |
| 384 | |
| 385 | static int usb_dsbr100_open(struct inode *inode, struct file *file) |
| 386 | { |
| 387 | dsbr100_device *radio=video_get_drvdata(video_devdata(file)); |
| 388 | |
| 389 | radio->users = 1; |
| 390 | if (dsbr100_start(radio)<0) { |
| 391 | warn("Radio did not start up properly"); |
| 392 | radio->users = 0; |
| 393 | return -EIO; |
| 394 | } |
| 395 | dsbr100_setfreq(radio, radio->curfreq); |
| 396 | return 0; |
| 397 | } |
| 398 | |
| 399 | static int usb_dsbr100_close(struct inode *inode, struct file *file) |
| 400 | { |
| 401 | dsbr100_device *radio=video_get_drvdata(video_devdata(file)); |
| 402 | |
| 403 | if (!radio) |
| 404 | return -ENODEV; |
| 405 | radio->users = 0; |
| 406 | if (radio->removed) { |
| 407 | kfree(radio); |
| 408 | } |
| 409 | return 0; |
| 410 | } |
| 411 | |
| 412 | static int __init dsbr100_init(void) |
| 413 | { |
| 414 | int retval = usb_register(&usb_dsbr100_driver); |
| 415 | info(DRIVER_VERSION ":" DRIVER_DESC); |
| 416 | return retval; |
| 417 | } |
| 418 | |
| 419 | static void __exit dsbr100_exit(void) |
| 420 | { |
| 421 | usb_deregister(&usb_dsbr100_driver); |
| 422 | } |
| 423 | |
| 424 | module_init (dsbr100_init); |
| 425 | module_exit (dsbr100_exit); |
| 426 | |
| 427 | MODULE_AUTHOR( DRIVER_AUTHOR ); |
| 428 | MODULE_DESCRIPTION( DRIVER_DESC ); |
| 429 | MODULE_LICENSE("GPL"); |