1 | // SPDX-License-Identifier: GPL-2.0-or-later |
2 | /* |
3 | * caiaq.c: ALSA driver for caiaq/NativeInstruments devices |
4 | * |
5 | * Copyright (c) 2007 Daniel Mack <daniel@caiaq.de> |
6 | * Karsten Wiese <fzu@wemgehoertderstaat.de> |
7 | */ |
8 | |
9 | #include <linux/moduleparam.h> |
10 | #include <linux/device.h> |
11 | #include <linux/interrupt.h> |
12 | #include <linux/module.h> |
13 | #include <linux/init.h> |
14 | #include <linux/gfp.h> |
15 | #include <linux/usb.h> |
16 | #include <sound/initval.h> |
17 | #include <sound/core.h> |
18 | #include <sound/pcm.h> |
19 | |
20 | #include "device.h" |
21 | #include "audio.h" |
22 | #include "midi.h" |
23 | #include "control.h" |
24 | #include "input.h" |
25 | |
26 | MODULE_AUTHOR("Daniel Mack <daniel@caiaq.de>" ); |
27 | MODULE_DESCRIPTION("caiaq USB audio" ); |
28 | MODULE_LICENSE("GPL" ); |
29 | |
30 | static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-max */ |
31 | static char* id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* Id for this card */ |
32 | static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */ |
33 | |
34 | module_param_array(index, int, NULL, 0444); |
35 | MODULE_PARM_DESC(index, "Index value for the caiaq sound device" ); |
36 | module_param_array(id, charp, NULL, 0444); |
37 | MODULE_PARM_DESC(id, "ID string for the caiaq soundcard." ); |
38 | module_param_array(enable, bool, NULL, 0444); |
39 | MODULE_PARM_DESC(enable, "Enable the caiaq soundcard." ); |
40 | |
41 | enum { |
42 | SAMPLERATE_44100 = 0, |
43 | SAMPLERATE_48000 = 1, |
44 | SAMPLERATE_96000 = 2, |
45 | SAMPLERATE_192000 = 3, |
46 | SAMPLERATE_88200 = 4, |
47 | SAMPLERATE_INVALID = 0xff |
48 | }; |
49 | |
50 | enum { |
51 | DEPTH_NONE = 0, |
52 | DEPTH_16 = 1, |
53 | DEPTH_24 = 2, |
54 | DEPTH_32 = 3 |
55 | }; |
56 | |
57 | static const struct usb_device_id snd_usb_id_table[] = { |
58 | { |
59 | .match_flags = USB_DEVICE_ID_MATCH_DEVICE, |
60 | .idVendor = USB_VID_NATIVEINSTRUMENTS, |
61 | .idProduct = USB_PID_RIGKONTROL2 |
62 | }, |
63 | { |
64 | .match_flags = USB_DEVICE_ID_MATCH_DEVICE, |
65 | .idVendor = USB_VID_NATIVEINSTRUMENTS, |
66 | .idProduct = USB_PID_RIGKONTROL3 |
67 | }, |
68 | { |
69 | .match_flags = USB_DEVICE_ID_MATCH_DEVICE, |
70 | .idVendor = USB_VID_NATIVEINSTRUMENTS, |
71 | .idProduct = USB_PID_KORECONTROLLER |
72 | }, |
73 | { |
74 | .match_flags = USB_DEVICE_ID_MATCH_DEVICE, |
75 | .idVendor = USB_VID_NATIVEINSTRUMENTS, |
76 | .idProduct = USB_PID_KORECONTROLLER2 |
77 | }, |
78 | { |
79 | .match_flags = USB_DEVICE_ID_MATCH_DEVICE, |
80 | .idVendor = USB_VID_NATIVEINSTRUMENTS, |
81 | .idProduct = USB_PID_AK1 |
82 | }, |
83 | { |
84 | .match_flags = USB_DEVICE_ID_MATCH_DEVICE, |
85 | .idVendor = USB_VID_NATIVEINSTRUMENTS, |
86 | .idProduct = USB_PID_AUDIO8DJ |
87 | }, |
88 | { |
89 | .match_flags = USB_DEVICE_ID_MATCH_DEVICE, |
90 | .idVendor = USB_VID_NATIVEINSTRUMENTS, |
91 | .idProduct = USB_PID_SESSIONIO |
92 | }, |
93 | { |
94 | .match_flags = USB_DEVICE_ID_MATCH_DEVICE, |
95 | .idVendor = USB_VID_NATIVEINSTRUMENTS, |
96 | .idProduct = USB_PID_GUITARRIGMOBILE |
97 | }, |
98 | { |
99 | .match_flags = USB_DEVICE_ID_MATCH_DEVICE, |
100 | .idVendor = USB_VID_NATIVEINSTRUMENTS, |
101 | .idProduct = USB_PID_AUDIO4DJ |
102 | }, |
103 | { |
104 | .match_flags = USB_DEVICE_ID_MATCH_DEVICE, |
105 | .idVendor = USB_VID_NATIVEINSTRUMENTS, |
106 | .idProduct = USB_PID_AUDIO2DJ |
107 | }, |
108 | { |
109 | .match_flags = USB_DEVICE_ID_MATCH_DEVICE, |
110 | .idVendor = USB_VID_NATIVEINSTRUMENTS, |
111 | .idProduct = USB_PID_TRAKTORKONTROLX1 |
112 | }, |
113 | { |
114 | .match_flags = USB_DEVICE_ID_MATCH_DEVICE, |
115 | .idVendor = USB_VID_NATIVEINSTRUMENTS, |
116 | .idProduct = USB_PID_TRAKTORKONTROLS4 |
117 | }, |
118 | { |
119 | .match_flags = USB_DEVICE_ID_MATCH_DEVICE, |
120 | .idVendor = USB_VID_NATIVEINSTRUMENTS, |
121 | .idProduct = USB_PID_TRAKTORAUDIO2 |
122 | }, |
123 | { |
124 | .match_flags = USB_DEVICE_ID_MATCH_DEVICE, |
125 | .idVendor = USB_VID_NATIVEINSTRUMENTS, |
126 | .idProduct = USB_PID_MASCHINECONTROLLER |
127 | }, |
128 | { /* terminator */ } |
129 | }; |
130 | |
131 | static void usb_ep1_command_reply_dispatch (struct urb* urb) |
132 | { |
133 | int ret; |
134 | struct device *dev = &urb->dev->dev; |
135 | struct snd_usb_caiaqdev *cdev = urb->context; |
136 | unsigned char *buf = urb->transfer_buffer; |
137 | |
138 | if (urb->status || !cdev) { |
139 | dev_warn(dev, "received EP1 urb->status = %i\n" , urb->status); |
140 | return; |
141 | } |
142 | |
143 | switch(buf[0]) { |
144 | case EP1_CMD_GET_DEVICE_INFO: |
145 | memcpy(&cdev->spec, buf+1, sizeof(struct caiaq_device_spec)); |
146 | cdev->spec.fw_version = le16_to_cpu(cdev->spec.fw_version); |
147 | dev_dbg(dev, "device spec (firmware %d): audio: %d in, %d out, " |
148 | "MIDI: %d in, %d out, data alignment %d\n" , |
149 | cdev->spec.fw_version, |
150 | cdev->spec.num_analog_audio_in, |
151 | cdev->spec.num_analog_audio_out, |
152 | cdev->spec.num_midi_in, |
153 | cdev->spec.num_midi_out, |
154 | cdev->spec.data_alignment); |
155 | |
156 | cdev->spec_received++; |
157 | wake_up(&cdev->ep1_wait_queue); |
158 | break; |
159 | case EP1_CMD_AUDIO_PARAMS: |
160 | cdev->audio_parm_answer = buf[1]; |
161 | wake_up(&cdev->ep1_wait_queue); |
162 | break; |
163 | case EP1_CMD_MIDI_READ: |
164 | snd_usb_caiaq_midi_handle_input(cdev, port: buf[1], buf: buf + 3, len: buf[2]); |
165 | break; |
166 | case EP1_CMD_READ_IO: |
167 | if (cdev->chip.usb_id == |
168 | USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO8DJ)) { |
169 | if (urb->actual_length > sizeof(cdev->control_state)) |
170 | urb->actual_length = sizeof(cdev->control_state); |
171 | memcpy(cdev->control_state, buf + 1, urb->actual_length); |
172 | wake_up(&cdev->ep1_wait_queue); |
173 | break; |
174 | } |
175 | #ifdef CONFIG_SND_USB_CAIAQ_INPUT |
176 | fallthrough; |
177 | case EP1_CMD_READ_ERP: |
178 | case EP1_CMD_READ_ANALOG: |
179 | snd_usb_caiaq_input_dispatch(cdev, buf, len: urb->actual_length); |
180 | #endif |
181 | break; |
182 | } |
183 | |
184 | cdev->ep1_in_urb.actual_length = 0; |
185 | ret = usb_submit_urb(urb: &cdev->ep1_in_urb, GFP_ATOMIC); |
186 | if (ret < 0) |
187 | dev_err(dev, "unable to submit urb. OOM!?\n" ); |
188 | } |
189 | |
190 | int snd_usb_caiaq_send_command(struct snd_usb_caiaqdev *cdev, |
191 | unsigned char command, |
192 | const unsigned char *buffer, |
193 | int len) |
194 | { |
195 | int actual_len; |
196 | struct usb_device *usb_dev = cdev->chip.dev; |
197 | |
198 | if (!usb_dev) |
199 | return -EIO; |
200 | |
201 | if (len > EP1_BUFSIZE - 1) |
202 | len = EP1_BUFSIZE - 1; |
203 | |
204 | if (buffer && len > 0) |
205 | memcpy(cdev->ep1_out_buf+1, buffer, len); |
206 | |
207 | cdev->ep1_out_buf[0] = command; |
208 | return usb_bulk_msg(usb_dev, usb_sndbulkpipe(usb_dev, 1), |
209 | data: cdev->ep1_out_buf, len: len+1, actual_length: &actual_len, timeout: 200); |
210 | } |
211 | |
212 | int snd_usb_caiaq_send_command_bank(struct snd_usb_caiaqdev *cdev, |
213 | unsigned char command, |
214 | unsigned char bank, |
215 | const unsigned char *buffer, |
216 | int len) |
217 | { |
218 | int actual_len; |
219 | struct usb_device *usb_dev = cdev->chip.dev; |
220 | |
221 | if (!usb_dev) |
222 | return -EIO; |
223 | |
224 | if (len > EP1_BUFSIZE - 2) |
225 | len = EP1_BUFSIZE - 2; |
226 | |
227 | if (buffer && len > 0) |
228 | memcpy(cdev->ep1_out_buf+2, buffer, len); |
229 | |
230 | cdev->ep1_out_buf[0] = command; |
231 | cdev->ep1_out_buf[1] = bank; |
232 | |
233 | return usb_bulk_msg(usb_dev, usb_sndbulkpipe(usb_dev, 1), |
234 | data: cdev->ep1_out_buf, len: len+2, actual_length: &actual_len, timeout: 200); |
235 | } |
236 | |
237 | int snd_usb_caiaq_set_audio_params (struct snd_usb_caiaqdev *cdev, |
238 | int rate, int depth, int bpp) |
239 | { |
240 | int ret; |
241 | char tmp[5]; |
242 | struct device *dev = caiaqdev_to_dev(cdev); |
243 | |
244 | switch (rate) { |
245 | case 44100: tmp[0] = SAMPLERATE_44100; break; |
246 | case 48000: tmp[0] = SAMPLERATE_48000; break; |
247 | case 88200: tmp[0] = SAMPLERATE_88200; break; |
248 | case 96000: tmp[0] = SAMPLERATE_96000; break; |
249 | case 192000: tmp[0] = SAMPLERATE_192000; break; |
250 | default: return -EINVAL; |
251 | } |
252 | |
253 | switch (depth) { |
254 | case 16: tmp[1] = DEPTH_16; break; |
255 | case 24: tmp[1] = DEPTH_24; break; |
256 | default: return -EINVAL; |
257 | } |
258 | |
259 | tmp[2] = bpp & 0xff; |
260 | tmp[3] = bpp >> 8; |
261 | tmp[4] = 1; /* packets per microframe */ |
262 | |
263 | dev_dbg(dev, "setting audio params: %d Hz, %d bits, %d bpp\n" , |
264 | rate, depth, bpp); |
265 | |
266 | cdev->audio_parm_answer = -1; |
267 | ret = snd_usb_caiaq_send_command(cdev, EP1_CMD_AUDIO_PARAMS, |
268 | buffer: tmp, len: sizeof(tmp)); |
269 | |
270 | if (ret) |
271 | return ret; |
272 | |
273 | if (!wait_event_timeout(cdev->ep1_wait_queue, |
274 | cdev->audio_parm_answer >= 0, HZ)) |
275 | return -EPIPE; |
276 | |
277 | if (cdev->audio_parm_answer != 1) |
278 | dev_dbg(dev, "unable to set the device's audio params\n" ); |
279 | else |
280 | cdev->bpp = bpp; |
281 | |
282 | return cdev->audio_parm_answer == 1 ? 0 : -EINVAL; |
283 | } |
284 | |
285 | int snd_usb_caiaq_set_auto_msg(struct snd_usb_caiaqdev *cdev, |
286 | int digital, int analog, int erp) |
287 | { |
288 | char tmp[3] = { digital, analog, erp }; |
289 | return snd_usb_caiaq_send_command(cdev, EP1_CMD_AUTO_MSG, |
290 | buffer: tmp, len: sizeof(tmp)); |
291 | } |
292 | |
293 | static void setup_card(struct snd_usb_caiaqdev *cdev) |
294 | { |
295 | int ret; |
296 | char val[4]; |
297 | struct device *dev = caiaqdev_to_dev(cdev); |
298 | |
299 | /* device-specific startup specials */ |
300 | switch (cdev->chip.usb_id) { |
301 | case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL2): |
302 | /* RigKontrol2 - display centered dash ('-') */ |
303 | val[0] = 0x00; |
304 | val[1] = 0x00; |
305 | val[2] = 0x01; |
306 | snd_usb_caiaq_send_command(cdev, EP1_CMD_WRITE_IO, buffer: val, len: 3); |
307 | break; |
308 | case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL3): |
309 | /* RigKontrol2 - display two centered dashes ('--') */ |
310 | val[0] = 0x00; |
311 | val[1] = 0x40; |
312 | val[2] = 0x40; |
313 | val[3] = 0x00; |
314 | snd_usb_caiaq_send_command(cdev, EP1_CMD_WRITE_IO, buffer: val, len: 4); |
315 | break; |
316 | case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AK1): |
317 | /* Audio Kontrol 1 - make USB-LED stop blinking */ |
318 | val[0] = 0x00; |
319 | snd_usb_caiaq_send_command(cdev, EP1_CMD_WRITE_IO, buffer: val, len: 1); |
320 | break; |
321 | case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO8DJ): |
322 | /* Audio 8 DJ - trigger read of current settings */ |
323 | cdev->control_state[0] = 0xff; |
324 | snd_usb_caiaq_set_auto_msg(cdev, digital: 1, analog: 0, erp: 0); |
325 | snd_usb_caiaq_send_command(cdev, EP1_CMD_READ_IO, NULL, len: 0); |
326 | |
327 | if (!wait_event_timeout(cdev->ep1_wait_queue, |
328 | cdev->control_state[0] != 0xff, HZ)) |
329 | return; |
330 | |
331 | /* fix up some defaults */ |
332 | if ((cdev->control_state[1] != 2) || |
333 | (cdev->control_state[2] != 3) || |
334 | (cdev->control_state[4] != 2)) { |
335 | cdev->control_state[1] = 2; |
336 | cdev->control_state[2] = 3; |
337 | cdev->control_state[4] = 2; |
338 | snd_usb_caiaq_send_command(cdev, |
339 | EP1_CMD_WRITE_IO, buffer: cdev->control_state, len: 6); |
340 | } |
341 | |
342 | break; |
343 | } |
344 | |
345 | if (cdev->spec.num_analog_audio_out + |
346 | cdev->spec.num_analog_audio_in + |
347 | cdev->spec.num_digital_audio_out + |
348 | cdev->spec.num_digital_audio_in > 0) { |
349 | ret = snd_usb_caiaq_audio_init(cdev); |
350 | if (ret < 0) |
351 | dev_err(dev, "Unable to set up audio system (ret=%d)\n" , ret); |
352 | } |
353 | |
354 | if (cdev->spec.num_midi_in + |
355 | cdev->spec.num_midi_out > 0) { |
356 | ret = snd_usb_caiaq_midi_init(cdev); |
357 | if (ret < 0) |
358 | dev_err(dev, "Unable to set up MIDI system (ret=%d)\n" , ret); |
359 | } |
360 | |
361 | #ifdef CONFIG_SND_USB_CAIAQ_INPUT |
362 | ret = snd_usb_caiaq_input_init(cdev); |
363 | if (ret < 0) |
364 | dev_err(dev, "Unable to set up input system (ret=%d)\n" , ret); |
365 | #endif |
366 | |
367 | /* finally, register the card and all its sub-instances */ |
368 | ret = snd_card_register(card: cdev->chip.card); |
369 | if (ret < 0) { |
370 | dev_err(dev, "snd_card_register() returned %d\n" , ret); |
371 | snd_card_free(card: cdev->chip.card); |
372 | } |
373 | |
374 | ret = snd_usb_caiaq_control_init(cdev); |
375 | if (ret < 0) |
376 | dev_err(dev, "Unable to set up control system (ret=%d)\n" , ret); |
377 | } |
378 | |
379 | static int create_card(struct usb_device *usb_dev, |
380 | struct usb_interface *intf, |
381 | struct snd_card **cardp) |
382 | { |
383 | int devnum; |
384 | int err; |
385 | struct snd_card *card; |
386 | struct snd_usb_caiaqdev *cdev; |
387 | |
388 | for (devnum = 0; devnum < SNDRV_CARDS; devnum++) |
389 | if (enable[devnum]) |
390 | break; |
391 | |
392 | if (devnum >= SNDRV_CARDS) |
393 | return -ENODEV; |
394 | |
395 | err = snd_card_new(parent: &intf->dev, |
396 | idx: index[devnum], xid: id[devnum], THIS_MODULE, |
397 | extra_size: sizeof(struct snd_usb_caiaqdev), card_ret: &card); |
398 | if (err < 0) |
399 | return err; |
400 | |
401 | cdev = caiaqdev(card); |
402 | cdev->chip.dev = usb_dev; |
403 | cdev->chip.card = card; |
404 | cdev->chip.usb_id = USB_ID(le16_to_cpu(usb_dev->descriptor.idVendor), |
405 | le16_to_cpu(usb_dev->descriptor.idProduct)); |
406 | spin_lock_init(&cdev->spinlock); |
407 | |
408 | *cardp = card; |
409 | return 0; |
410 | } |
411 | |
412 | static int init_card(struct snd_usb_caiaqdev *cdev) |
413 | { |
414 | char *c, usbpath[32]; |
415 | struct usb_device *usb_dev = cdev->chip.dev; |
416 | struct snd_card *card = cdev->chip.card; |
417 | struct device *dev = caiaqdev_to_dev(cdev); |
418 | int err, len; |
419 | |
420 | if (usb_set_interface(dev: usb_dev, ifnum: 0, alternate: 1) != 0) { |
421 | dev_err(dev, "can't set alt interface.\n" ); |
422 | return -EIO; |
423 | } |
424 | |
425 | usb_init_urb(urb: &cdev->ep1_in_urb); |
426 | usb_init_urb(urb: &cdev->midi_out_urb); |
427 | |
428 | usb_fill_bulk_urb(urb: &cdev->ep1_in_urb, dev: usb_dev, |
429 | usb_rcvbulkpipe(usb_dev, 0x1), |
430 | transfer_buffer: cdev->ep1_in_buf, EP1_BUFSIZE, |
431 | complete_fn: usb_ep1_command_reply_dispatch, context: cdev); |
432 | |
433 | usb_fill_bulk_urb(urb: &cdev->midi_out_urb, dev: usb_dev, |
434 | usb_sndbulkpipe(usb_dev, 0x1), |
435 | transfer_buffer: cdev->midi_out_buf, EP1_BUFSIZE, |
436 | complete_fn: snd_usb_caiaq_midi_output_done, context: cdev); |
437 | |
438 | /* sanity checks of EPs before actually submitting */ |
439 | if (usb_urb_ep_type_check(urb: &cdev->ep1_in_urb) || |
440 | usb_urb_ep_type_check(urb: &cdev->midi_out_urb)) { |
441 | dev_err(dev, "invalid EPs\n" ); |
442 | return -EINVAL; |
443 | } |
444 | |
445 | init_waitqueue_head(&cdev->ep1_wait_queue); |
446 | init_waitqueue_head(&cdev->prepare_wait_queue); |
447 | |
448 | if (usb_submit_urb(urb: &cdev->ep1_in_urb, GFP_KERNEL) != 0) |
449 | return -EIO; |
450 | |
451 | err = snd_usb_caiaq_send_command(cdev, EP1_CMD_GET_DEVICE_INFO, NULL, len: 0); |
452 | if (err) |
453 | goto err_kill_urb; |
454 | |
455 | if (!wait_event_timeout(cdev->ep1_wait_queue, cdev->spec_received, HZ)) { |
456 | err = -ENODEV; |
457 | goto err_kill_urb; |
458 | } |
459 | |
460 | usb_string(dev: usb_dev, index: usb_dev->descriptor.iManufacturer, |
461 | buf: cdev->vendor_name, CAIAQ_USB_STR_LEN); |
462 | |
463 | usb_string(dev: usb_dev, index: usb_dev->descriptor.iProduct, |
464 | buf: cdev->product_name, CAIAQ_USB_STR_LEN); |
465 | |
466 | strscpy(card->driver, MODNAME, sizeof(card->driver)); |
467 | strscpy(card->shortname, cdev->product_name, sizeof(card->shortname)); |
468 | strscpy(card->mixername, cdev->product_name, sizeof(card->mixername)); |
469 | |
470 | /* if the id was not passed as module option, fill it with a shortened |
471 | * version of the product string which does not contain any |
472 | * whitespaces */ |
473 | |
474 | if (*card->id == '\0') { |
475 | char id[sizeof(card->id)]; |
476 | |
477 | memset(id, 0, sizeof(id)); |
478 | |
479 | for (c = card->shortname, len = 0; |
480 | *c && len < sizeof(card->id); c++) |
481 | if (*c != ' ') |
482 | id[len++] = *c; |
483 | |
484 | snd_card_set_id(card, id); |
485 | } |
486 | |
487 | usb_make_path(dev: usb_dev, buf: usbpath, size: sizeof(usbpath)); |
488 | scnprintf(buf: card->longname, size: sizeof(card->longname), fmt: "%s %s (%s)" , |
489 | cdev->vendor_name, cdev->product_name, usbpath); |
490 | |
491 | setup_card(cdev); |
492 | return 0; |
493 | |
494 | err_kill_urb: |
495 | usb_kill_urb(urb: &cdev->ep1_in_urb); |
496 | return err; |
497 | } |
498 | |
499 | static int snd_probe(struct usb_interface *intf, |
500 | const struct usb_device_id *id) |
501 | { |
502 | int ret; |
503 | struct snd_card *card = NULL; |
504 | struct usb_device *usb_dev = interface_to_usbdev(intf); |
505 | |
506 | ret = create_card(usb_dev, intf, cardp: &card); |
507 | |
508 | if (ret < 0) |
509 | return ret; |
510 | |
511 | usb_set_intfdata(intf, data: card); |
512 | ret = init_card(caiaqdev(card)); |
513 | if (ret < 0) { |
514 | dev_err(&usb_dev->dev, "unable to init card! (ret=%d)\n" , ret); |
515 | snd_card_free(card); |
516 | return ret; |
517 | } |
518 | |
519 | return 0; |
520 | } |
521 | |
522 | static void snd_disconnect(struct usb_interface *intf) |
523 | { |
524 | struct snd_card *card = usb_get_intfdata(intf); |
525 | struct device *dev = intf->usb_dev; |
526 | struct snd_usb_caiaqdev *cdev; |
527 | |
528 | if (!card) |
529 | return; |
530 | |
531 | cdev = caiaqdev(card); |
532 | dev_dbg(dev, "%s(%p)\n" , __func__, intf); |
533 | |
534 | snd_card_disconnect(card); |
535 | |
536 | #ifdef CONFIG_SND_USB_CAIAQ_INPUT |
537 | snd_usb_caiaq_input_free(cdev); |
538 | #endif |
539 | snd_usb_caiaq_audio_free(cdev); |
540 | |
541 | usb_kill_urb(urb: &cdev->ep1_in_urb); |
542 | usb_kill_urb(urb: &cdev->midi_out_urb); |
543 | |
544 | snd_card_free(card); |
545 | usb_reset_device(interface_to_usbdev(intf)); |
546 | } |
547 | |
548 | |
549 | MODULE_DEVICE_TABLE(usb, snd_usb_id_table); |
550 | static struct usb_driver snd_usb_driver = { |
551 | .name = MODNAME, |
552 | .probe = snd_probe, |
553 | .disconnect = snd_disconnect, |
554 | .id_table = snd_usb_id_table, |
555 | }; |
556 | |
557 | module_usb_driver(snd_usb_driver); |
558 | |