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cc35bbdd JS |
1 | /* |
2 | * drivers/media/radio/si470x/radio-si470x-i2c.c | |
3 | * | |
4 | * I2C driver for radios with Silicon Labs Si470x FM Radio Receivers | |
5 | * | |
9dcb79c2 | 6 | * Copyright (c) 2009 Samsung Electronics Co.Ltd |
cc35bbdd JS |
7 | * Author: Joonyoung Shim <jy0922.shim@samsung.com> |
8 | * | |
9dcb79c2 TL |
9 | * This program is free software; you can redistribute it and/or modify |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
cc35bbdd | 13 | * |
9dcb79c2 TL |
14 | * This program is distributed in the hope that it will be useful, |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
cc35bbdd | 18 | * |
9dcb79c2 TL |
19 | * You should have received a copy of the GNU General Public License |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
22 | */ | |
23 | ||
24 | ||
9dcb79c2 TL |
25 | /* driver definitions */ |
26 | #define DRIVER_AUTHOR "Joonyoung Shim <jy0922.shim@samsung.com>"; | |
fe2137dd | 27 | #define DRIVER_KERNEL_VERSION KERNEL_VERSION(1, 0, 1) |
9dcb79c2 TL |
28 | #define DRIVER_CARD "Silicon Labs Si470x FM Radio Receiver" |
29 | #define DRIVER_DESC "I2C radio driver for Si470x FM Radio Receivers" | |
fe2137dd | 30 | #define DRIVER_VERSION "1.0.1" |
9dcb79c2 TL |
31 | |
32 | /* kernel includes */ | |
cc35bbdd | 33 | #include <linux/i2c.h> |
5a0e3ad6 | 34 | #include <linux/slab.h> |
cc35bbdd | 35 | #include <linux/delay.h> |
fe2137dd | 36 | #include <linux/interrupt.h> |
cc35bbdd JS |
37 | |
38 | #include "radio-si470x.h" | |
39 | ||
cc35bbdd | 40 | |
9dcb79c2 TL |
41 | /* I2C Device ID List */ |
42 | static const struct i2c_device_id si470x_i2c_id[] = { | |
43 | /* Generic Entry */ | |
44 | { "si470x", 0 }, | |
45 | /* Terminating entry */ | |
46 | { } | |
47 | }; | |
48 | MODULE_DEVICE_TABLE(i2c, si470x_i2c_id); | |
49 | ||
50 | ||
51 | ||
52 | /************************************************************************** | |
53 | * Module Parameters | |
54 | **************************************************************************/ | |
55 | ||
56 | /* Radio Nr */ | |
57 | static int radio_nr = -1; | |
58 | module_param(radio_nr, int, 0444); | |
59 | MODULE_PARM_DESC(radio_nr, "Radio Nr"); | |
60 | ||
fe2137dd JS |
61 | /* RDS buffer blocks */ |
62 | static unsigned int rds_buf = 100; | |
63 | module_param(rds_buf, uint, 0444); | |
64 | MODULE_PARM_DESC(rds_buf, "RDS buffer entries: *100*"); | |
65 | ||
66 | /* RDS maximum block errors */ | |
67 | static unsigned short max_rds_errors = 1; | |
68 | /* 0 means 0 errors requiring correction */ | |
69 | /* 1 means 1-2 errors requiring correction (used by original USBRadio.exe) */ | |
70 | /* 2 means 3-5 errors requiring correction */ | |
71 | /* 3 means 6+ errors or errors in checkword, correction not possible */ | |
72 | module_param(max_rds_errors, ushort, 0644); | |
73 | MODULE_PARM_DESC(max_rds_errors, "RDS maximum block errors: *1*"); | |
74 | ||
9dcb79c2 TL |
75 | |
76 | ||
77 | /************************************************************************** | |
78 | * I2C Definitions | |
79 | **************************************************************************/ | |
80 | ||
81 | /* Write starts with the upper byte of register 0x02 */ | |
82 | #define WRITE_REG_NUM 8 | |
83 | #define WRITE_INDEX(i) (i + 0x02) | |
84 | ||
85 | /* Read starts with the upper byte of register 0x0a */ | |
cc35bbdd JS |
86 | #define READ_REG_NUM RADIO_REGISTER_NUM |
87 | #define READ_INDEX(i) ((i + RADIO_REGISTER_NUM - 0x0a) % READ_REG_NUM) | |
88 | ||
cc35bbdd | 89 | |
cc35bbdd | 90 | |
9dcb79c2 TL |
91 | /************************************************************************** |
92 | * General Driver Functions - REGISTERs | |
93 | **************************************************************************/ | |
cc35bbdd | 94 | |
9dcb79c2 TL |
95 | /* |
96 | * si470x_get_register - read register | |
97 | */ | |
cc35bbdd JS |
98 | int si470x_get_register(struct si470x_device *radio, int regnr) |
99 | { | |
100 | u16 buf[READ_REG_NUM]; | |
101 | struct i2c_msg msgs[1] = { | |
102 | { radio->client->addr, I2C_M_RD, sizeof(u16) * READ_REG_NUM, | |
103 | (void *)buf }, | |
104 | }; | |
105 | ||
106 | if (i2c_transfer(radio->client->adapter, msgs, 1) != 1) | |
107 | return -EIO; | |
108 | ||
109 | radio->registers[regnr] = __be16_to_cpu(buf[READ_INDEX(regnr)]); | |
110 | ||
111 | return 0; | |
112 | } | |
113 | ||
cc35bbdd | 114 | |
9dcb79c2 TL |
115 | /* |
116 | * si470x_set_register - write register | |
117 | */ | |
cc35bbdd JS |
118 | int si470x_set_register(struct si470x_device *radio, int regnr) |
119 | { | |
120 | int i; | |
121 | u16 buf[WRITE_REG_NUM]; | |
122 | struct i2c_msg msgs[1] = { | |
123 | { radio->client->addr, 0, sizeof(u16) * WRITE_REG_NUM, | |
124 | (void *)buf }, | |
125 | }; | |
126 | ||
127 | for (i = 0; i < WRITE_REG_NUM; i++) | |
128 | buf[i] = __cpu_to_be16(radio->registers[WRITE_INDEX(i)]); | |
129 | ||
130 | if (i2c_transfer(radio->client->adapter, msgs, 1) != 1) | |
131 | return -EIO; | |
132 | ||
133 | return 0; | |
134 | } | |
135 | ||
9dcb79c2 TL |
136 | |
137 | ||
138 | /************************************************************************** | |
139 | * General Driver Functions - ENTIRE REGISTERS | |
140 | **************************************************************************/ | |
141 | ||
142 | /* | |
143 | * si470x_get_all_registers - read entire registers | |
144 | */ | |
145 | static int si470x_get_all_registers(struct si470x_device *radio) | |
146 | { | |
147 | int i; | |
148 | u16 buf[READ_REG_NUM]; | |
149 | struct i2c_msg msgs[1] = { | |
150 | { radio->client->addr, I2C_M_RD, sizeof(u16) * READ_REG_NUM, | |
151 | (void *)buf }, | |
152 | }; | |
153 | ||
154 | if (i2c_transfer(radio->client->adapter, msgs, 1) != 1) | |
155 | return -EIO; | |
156 | ||
157 | for (i = 0; i < READ_REG_NUM; i++) | |
158 | radio->registers[i] = __be16_to_cpu(buf[READ_INDEX(i)]); | |
159 | ||
160 | return 0; | |
161 | } | |
162 | ||
163 | ||
164 | ||
165 | /************************************************************************** | |
166 | * General Driver Functions - DISCONNECT_CHECK | |
167 | **************************************************************************/ | |
168 | ||
169 | /* | |
170 | * si470x_disconnect_check - check whether radio disconnects | |
171 | */ | |
cc35bbdd JS |
172 | int si470x_disconnect_check(struct si470x_device *radio) |
173 | { | |
174 | return 0; | |
175 | } | |
176 | ||
9dcb79c2 TL |
177 | |
178 | ||
179 | /************************************************************************** | |
180 | * File Operations Interface | |
181 | **************************************************************************/ | |
182 | ||
183 | /* | |
184 | * si470x_fops_open - file open | |
185 | */ | |
1aa925c9 | 186 | int si470x_fops_open(struct file *file) |
cc35bbdd JS |
187 | { |
188 | struct si470x_device *radio = video_drvdata(file); | |
189 | int retval = 0; | |
190 | ||
191 | mutex_lock(&radio->lock); | |
192 | radio->users++; | |
193 | ||
fe2137dd | 194 | if (radio->users == 1) { |
cc35bbdd JS |
195 | /* start radio */ |
196 | retval = si470x_start(radio); | |
fe2137dd JS |
197 | if (retval < 0) |
198 | goto done; | |
199 | ||
200 | /* enable RDS interrupt */ | |
201 | radio->registers[SYSCONFIG1] |= SYSCONFIG1_RDSIEN; | |
202 | radio->registers[SYSCONFIG1] &= ~SYSCONFIG1_GPIO2; | |
203 | radio->registers[SYSCONFIG1] |= 0x1 << 2; | |
204 | retval = si470x_set_register(radio, SYSCONFIG1); | |
205 | } | |
9dcb79c2 | 206 | |
fe2137dd | 207 | done: |
cc35bbdd | 208 | mutex_unlock(&radio->lock); |
cc35bbdd JS |
209 | return retval; |
210 | } | |
211 | ||
9dcb79c2 TL |
212 | |
213 | /* | |
214 | * si470x_fops_release - file release | |
215 | */ | |
1aa925c9 | 216 | int si470x_fops_release(struct file *file) |
cc35bbdd JS |
217 | { |
218 | struct si470x_device *radio = video_drvdata(file); | |
219 | int retval = 0; | |
220 | ||
221 | /* safety check */ | |
222 | if (!radio) | |
223 | return -ENODEV; | |
224 | ||
225 | mutex_lock(&radio->lock); | |
226 | radio->users--; | |
227 | if (radio->users == 0) | |
228 | /* stop radio */ | |
229 | retval = si470x_stop(radio); | |
9dcb79c2 | 230 | |
cc35bbdd JS |
231 | mutex_unlock(&radio->lock); |
232 | ||
233 | return retval; | |
234 | } | |
235 | ||
9dcb79c2 | 236 | |
9dcb79c2 TL |
237 | |
238 | /************************************************************************** | |
239 | * Video4Linux Interface | |
240 | **************************************************************************/ | |
241 | ||
242 | /* | |
243 | * si470x_vidioc_querycap - query device capabilities | |
244 | */ | |
cc35bbdd JS |
245 | int si470x_vidioc_querycap(struct file *file, void *priv, |
246 | struct v4l2_capability *capability) | |
247 | { | |
248 | strlcpy(capability->driver, DRIVER_NAME, sizeof(capability->driver)); | |
249 | strlcpy(capability->card, DRIVER_CARD, sizeof(capability->card)); | |
250 | capability->version = DRIVER_KERNEL_VERSION; | |
251 | capability->capabilities = V4L2_CAP_HW_FREQ_SEEK | | |
252 | V4L2_CAP_TUNER | V4L2_CAP_RADIO; | |
253 | ||
254 | return 0; | |
255 | } | |
256 | ||
9dcb79c2 TL |
257 | |
258 | ||
259 | /************************************************************************** | |
260 | * I2C Interface | |
261 | **************************************************************************/ | |
262 | ||
fe2137dd JS |
263 | /* |
264 | * si470x_i2c_interrupt_work - rds processing function | |
265 | */ | |
266 | static void si470x_i2c_interrupt_work(struct work_struct *work) | |
267 | { | |
268 | struct si470x_device *radio = container_of(work, | |
269 | struct si470x_device, radio_work); | |
270 | unsigned char regnr; | |
271 | unsigned char blocknum; | |
272 | unsigned short bler; /* rds block errors */ | |
273 | unsigned short rds; | |
274 | unsigned char tmpbuf[3]; | |
275 | int retval = 0; | |
276 | ||
277 | /* safety checks */ | |
278 | if ((radio->registers[SYSCONFIG1] & SYSCONFIG1_RDS) == 0) | |
279 | return; | |
280 | ||
281 | /* Update RDS registers */ | |
282 | for (regnr = 0; regnr < RDS_REGISTER_NUM; regnr++) { | |
283 | retval = si470x_get_register(radio, STATUSRSSI + regnr); | |
284 | if (retval < 0) | |
285 | return; | |
286 | } | |
287 | ||
288 | /* get rds blocks */ | |
289 | if ((radio->registers[STATUSRSSI] & STATUSRSSI_RDSR) == 0) | |
290 | /* No RDS group ready, better luck next time */ | |
291 | return; | |
292 | ||
293 | for (blocknum = 0; blocknum < 4; blocknum++) { | |
294 | switch (blocknum) { | |
295 | default: | |
296 | bler = (radio->registers[STATUSRSSI] & | |
297 | STATUSRSSI_BLERA) >> 9; | |
298 | rds = radio->registers[RDSA]; | |
299 | break; | |
300 | case 1: | |
301 | bler = (radio->registers[READCHAN] & | |
302 | READCHAN_BLERB) >> 14; | |
303 | rds = radio->registers[RDSB]; | |
304 | break; | |
305 | case 2: | |
306 | bler = (radio->registers[READCHAN] & | |
307 | READCHAN_BLERC) >> 12; | |
308 | rds = radio->registers[RDSC]; | |
309 | break; | |
310 | case 3: | |
311 | bler = (radio->registers[READCHAN] & | |
312 | READCHAN_BLERD) >> 10; | |
313 | rds = radio->registers[RDSD]; | |
314 | break; | |
315 | }; | |
316 | ||
317 | /* Fill the V4L2 RDS buffer */ | |
318 | put_unaligned_le16(rds, &tmpbuf); | |
319 | tmpbuf[2] = blocknum; /* offset name */ | |
320 | tmpbuf[2] |= blocknum << 3; /* received offset */ | |
321 | if (bler > max_rds_errors) | |
322 | tmpbuf[2] |= 0x80; /* uncorrectable errors */ | |
323 | else if (bler > 0) | |
324 | tmpbuf[2] |= 0x40; /* corrected error(s) */ | |
325 | ||
326 | /* copy RDS block to internal buffer */ | |
327 | memcpy(&radio->buffer[radio->wr_index], &tmpbuf, 3); | |
328 | radio->wr_index += 3; | |
329 | ||
330 | /* wrap write pointer */ | |
331 | if (radio->wr_index >= radio->buf_size) | |
332 | radio->wr_index = 0; | |
333 | ||
334 | /* check for overflow */ | |
335 | if (radio->wr_index == radio->rd_index) { | |
336 | /* increment and wrap read pointer */ | |
337 | radio->rd_index += 3; | |
338 | if (radio->rd_index >= radio->buf_size) | |
339 | radio->rd_index = 0; | |
340 | } | |
341 | } | |
342 | ||
343 | if (radio->wr_index != radio->rd_index) | |
344 | wake_up_interruptible(&radio->read_queue); | |
345 | } | |
346 | ||
347 | ||
348 | /* | |
349 | * si470x_i2c_interrupt - interrupt handler | |
350 | */ | |
351 | static irqreturn_t si470x_i2c_interrupt(int irq, void *dev_id) | |
352 | { | |
353 | struct si470x_device *radio = dev_id; | |
354 | ||
355 | if (!work_pending(&radio->radio_work)) | |
356 | schedule_work(&radio->radio_work); | |
357 | ||
358 | return IRQ_HANDLED; | |
359 | } | |
360 | ||
361 | ||
9dcb79c2 TL |
362 | /* |
363 | * si470x_i2c_probe - probe for the device | |
364 | */ | |
cc35bbdd JS |
365 | static int __devinit si470x_i2c_probe(struct i2c_client *client, |
366 | const struct i2c_device_id *id) | |
367 | { | |
368 | struct si470x_device *radio; | |
369 | int retval = 0; | |
9dcb79c2 | 370 | unsigned char version_warning = 0; |
cc35bbdd JS |
371 | |
372 | /* private data allocation and initialization */ | |
373 | radio = kzalloc(sizeof(struct si470x_device), GFP_KERNEL); | |
374 | if (!radio) { | |
375 | retval = -ENOMEM; | |
376 | goto err_initial; | |
377 | } | |
fe2137dd JS |
378 | |
379 | INIT_WORK(&radio->radio_work, si470x_i2c_interrupt_work); | |
cc35bbdd | 380 | radio->users = 0; |
9dcb79c2 | 381 | radio->client = client; |
cc35bbdd JS |
382 | mutex_init(&radio->lock); |
383 | ||
384 | /* video device allocation and initialization */ | |
385 | radio->videodev = video_device_alloc(); | |
386 | if (!radio->videodev) { | |
387 | retval = -ENOMEM; | |
388 | goto err_radio; | |
389 | } | |
390 | memcpy(radio->videodev, &si470x_viddev_template, | |
391 | sizeof(si470x_viddev_template)); | |
392 | video_set_drvdata(radio->videodev, radio); | |
393 | ||
394 | /* power up : need 110ms */ | |
395 | radio->registers[POWERCFG] = POWERCFG_ENABLE; | |
396 | if (si470x_set_register(radio, POWERCFG) < 0) { | |
397 | retval = -EIO; | |
cc6e853c | 398 | goto err_video; |
cc35bbdd JS |
399 | } |
400 | msleep(110); | |
401 | ||
9dcb79c2 | 402 | /* get device and chip versions */ |
cc35bbdd JS |
403 | if (si470x_get_all_registers(radio) < 0) { |
404 | retval = -EIO; | |
9dcb79c2 | 405 | goto err_video; |
cc35bbdd JS |
406 | } |
407 | dev_info(&client->dev, "DeviceID=0x%4.4hx ChipID=0x%4.4hx\n", | |
408 | radio->registers[DEVICEID], radio->registers[CHIPID]); | |
9dcb79c2 TL |
409 | if ((radio->registers[CHIPID] & CHIPID_FIRMWARE) < RADIO_FW_VERSION) { |
410 | dev_warn(&client->dev, | |
411 | "This driver is known to work with " | |
412 | "firmware version %hu,\n", RADIO_FW_VERSION); | |
413 | dev_warn(&client->dev, | |
414 | "but the device has firmware version %hu.\n", | |
415 | radio->registers[CHIPID] & CHIPID_FIRMWARE); | |
416 | version_warning = 1; | |
417 | } | |
418 | ||
419 | /* give out version warning */ | |
420 | if (version_warning == 1) { | |
421 | dev_warn(&client->dev, | |
422 | "If you have some trouble using this driver,\n"); | |
423 | dev_warn(&client->dev, | |
424 | "please report to V4L ML at " | |
425 | "linux-media@vger.kernel.org\n"); | |
426 | } | |
cc35bbdd JS |
427 | |
428 | /* set initial frequency */ | |
429 | si470x_set_freq(radio, 87.5 * FREQ_MUL); /* available in all regions */ | |
430 | ||
fe2137dd JS |
431 | /* rds buffer allocation */ |
432 | radio->buf_size = rds_buf * 3; | |
433 | radio->buffer = kmalloc(radio->buf_size, GFP_KERNEL); | |
434 | if (!radio->buffer) { | |
435 | retval = -EIO; | |
436 | goto err_video; | |
437 | } | |
438 | ||
439 | /* rds buffer configuration */ | |
440 | radio->wr_index = 0; | |
441 | radio->rd_index = 0; | |
442 | init_waitqueue_head(&radio->read_queue); | |
443 | ||
444 | retval = request_irq(client->irq, si470x_i2c_interrupt, | |
445 | IRQF_TRIGGER_FALLING, DRIVER_NAME, radio); | |
446 | if (retval) { | |
447 | dev_err(&client->dev, "Failed to register interrupt\n"); | |
448 | goto err_rds; | |
449 | } | |
450 | ||
cc35bbdd | 451 | /* register video device */ |
9dcb79c2 TL |
452 | retval = video_register_device(radio->videodev, VFL_TYPE_RADIO, |
453 | radio_nr); | |
cc35bbdd JS |
454 | if (retval) { |
455 | dev_warn(&client->dev, "Could not register video device\n"); | |
456 | goto err_all; | |
457 | } | |
cc35bbdd JS |
458 | i2c_set_clientdata(client, radio); |
459 | ||
460 | return 0; | |
461 | err_all: | |
fe2137dd JS |
462 | free_irq(client->irq, radio); |
463 | err_rds: | |
464 | kfree(radio->buffer); | |
9dcb79c2 | 465 | err_video: |
cc35bbdd JS |
466 | video_device_release(radio->videodev); |
467 | err_radio: | |
468 | kfree(radio); | |
469 | err_initial: | |
470 | return retval; | |
471 | } | |
472 | ||
9dcb79c2 TL |
473 | |
474 | /* | |
475 | * si470x_i2c_remove - remove the device | |
476 | */ | |
cc35bbdd JS |
477 | static __devexit int si470x_i2c_remove(struct i2c_client *client) |
478 | { | |
479 | struct si470x_device *radio = i2c_get_clientdata(client); | |
480 | ||
fe2137dd JS |
481 | free_irq(client->irq, radio); |
482 | cancel_work_sync(&radio->radio_work); | |
cc35bbdd JS |
483 | video_unregister_device(radio->videodev); |
484 | kfree(radio); | |
cc35bbdd JS |
485 | |
486 | return 0; | |
487 | } | |
488 | ||
cc35bbdd | 489 | |
d1471f02 JS |
490 | #ifdef CONFIG_PM |
491 | /* | |
492 | * si470x_i2c_suspend - suspend the device | |
493 | */ | |
494 | static int si470x_i2c_suspend(struct i2c_client *client, pm_message_t mesg) | |
495 | { | |
496 | struct si470x_device *radio = i2c_get_clientdata(client); | |
497 | ||
498 | /* power down */ | |
499 | radio->registers[POWERCFG] |= POWERCFG_DISABLE; | |
500 | if (si470x_set_register(radio, POWERCFG) < 0) | |
501 | return -EIO; | |
502 | ||
503 | return 0; | |
504 | } | |
505 | ||
506 | ||
507 | /* | |
508 | * si470x_i2c_resume - resume the device | |
509 | */ | |
510 | static int si470x_i2c_resume(struct i2c_client *client) | |
511 | { | |
512 | struct si470x_device *radio = i2c_get_clientdata(client); | |
513 | ||
514 | /* power up : need 110ms */ | |
515 | radio->registers[POWERCFG] |= POWERCFG_ENABLE; | |
516 | if (si470x_set_register(radio, POWERCFG) < 0) | |
517 | return -EIO; | |
518 | msleep(110); | |
519 | ||
520 | return 0; | |
521 | } | |
522 | #else | |
523 | #define si470x_i2c_suspend NULL | |
524 | #define si470x_i2c_resume NULL | |
525 | #endif | |
526 | ||
527 | ||
9dcb79c2 TL |
528 | /* |
529 | * si470x_i2c_driver - i2c driver interface | |
530 | */ | |
cc35bbdd JS |
531 | static struct i2c_driver si470x_i2c_driver = { |
532 | .driver = { | |
9dcb79c2 TL |
533 | .name = "si470x", |
534 | .owner = THIS_MODULE, | |
cc35bbdd | 535 | }, |
9dcb79c2 TL |
536 | .probe = si470x_i2c_probe, |
537 | .remove = __devexit_p(si470x_i2c_remove), | |
d1471f02 JS |
538 | .suspend = si470x_i2c_suspend, |
539 | .resume = si470x_i2c_resume, | |
9dcb79c2 | 540 | .id_table = si470x_i2c_id, |
cc35bbdd JS |
541 | }; |
542 | ||
9dcb79c2 TL |
543 | |
544 | ||
545 | /************************************************************************** | |
546 | * Module Interface | |
547 | **************************************************************************/ | |
548 | ||
549 | /* | |
550 | * si470x_i2c_init - module init | |
551 | */ | |
cc35bbdd JS |
552 | static int __init si470x_i2c_init(void) |
553 | { | |
9dcb79c2 | 554 | printk(KERN_INFO DRIVER_DESC ", Version " DRIVER_VERSION "\n"); |
cc35bbdd JS |
555 | return i2c_add_driver(&si470x_i2c_driver); |
556 | } | |
cc35bbdd | 557 | |
9dcb79c2 TL |
558 | |
559 | /* | |
560 | * si470x_i2c_exit - module exit | |
561 | */ | |
cc35bbdd JS |
562 | static void __exit si470x_i2c_exit(void) |
563 | { | |
564 | i2c_del_driver(&si470x_i2c_driver); | |
565 | } | |
9dcb79c2 TL |
566 | |
567 | ||
568 | module_init(si470x_i2c_init); | |
cc35bbdd JS |
569 | module_exit(si470x_i2c_exit); |
570 | ||
cc35bbdd | 571 | MODULE_LICENSE("GPL"); |
9dcb79c2 TL |
572 | MODULE_AUTHOR(DRIVER_AUTHOR); |
573 | MODULE_DESCRIPTION(DRIVER_DESC); | |
574 | MODULE_VERSION(DRIVER_VERSION); |