xref: /openbmc/linux/sound/usb/mixer_quirks.c (revision 81d67439)
1 /*
2  *   USB Audio Driver for ALSA
3  *
4  *   Quirks and vendor-specific extensions for mixer interfaces
5  *
6  *   Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
7  *
8  *   Many codes borrowed from audio.c by
9  *	    Alan Cox (alan@lxorguk.ukuu.org.uk)
10  *	    Thomas Sailer (sailer@ife.ee.ethz.ch)
11  *
12  *
13  *   This program is free software; you can redistribute it and/or modify
14  *   it under the terms of the GNU General Public License as published by
15  *   the Free Software Foundation; either version 2 of the License, or
16  *   (at your option) any later version.
17  *
18  *   This program is distributed in the hope that it will be useful,
19  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
20  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
21  *   GNU General Public License for more details.
22  *
23  *   You should have received a copy of the GNU General Public License
24  *   along with this program; if not, write to the Free Software
25  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
26  */
27 
28 #include <linux/init.h>
29 #include <linux/slab.h>
30 #include <linux/usb.h>
31 #include <linux/usb/audio.h>
32 
33 #include <sound/core.h>
34 #include <sound/control.h>
35 #include <sound/hwdep.h>
36 #include <sound/info.h>
37 
38 #include "usbaudio.h"
39 #include "mixer.h"
40 #include "mixer_quirks.h"
41 #include "helper.h"
42 
43 extern struct snd_kcontrol_new *snd_usb_feature_unit_ctl;
44 
45 /*
46  * Sound Blaster remote control configuration
47  *
48  * format of remote control data:
49  * Extigy:       xx 00
50  * Audigy 2 NX:  06 80 xx 00 00 00
51  * Live! 24-bit: 06 80 xx yy 22 83
52  */
53 static const struct rc_config {
54 	u32 usb_id;
55 	u8  offset;
56 	u8  length;
57 	u8  packet_length;
58 	u8  min_packet_length; /* minimum accepted length of the URB result */
59 	u8  mute_mixer_id;
60 	u32 mute_code;
61 } rc_configs[] = {
62 	{ USB_ID(0x041e, 0x3000), 0, 1, 2, 1,  18, 0x0013 }, /* Extigy       */
63 	{ USB_ID(0x041e, 0x3020), 2, 1, 6, 6,  18, 0x0013 }, /* Audigy 2 NX  */
64 	{ USB_ID(0x041e, 0x3040), 2, 2, 6, 6,  2,  0x6e91 }, /* Live! 24-bit */
65 	{ USB_ID(0x041e, 0x3042), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 */
66 	{ USB_ID(0x041e, 0x30df), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 Pro */
67 	{ USB_ID(0x041e, 0x3048), 2, 2, 6, 6,  2,  0x6e91 }, /* Toshiba SB0500 */
68 };
69 
70 static void snd_usb_soundblaster_remote_complete(struct urb *urb)
71 {
72 	struct usb_mixer_interface *mixer = urb->context;
73 	const struct rc_config *rc = mixer->rc_cfg;
74 	u32 code;
75 
76 	if (urb->status < 0 || urb->actual_length < rc->min_packet_length)
77 		return;
78 
79 	code = mixer->rc_buffer[rc->offset];
80 	if (rc->length == 2)
81 		code |= mixer->rc_buffer[rc->offset + 1] << 8;
82 
83 	/* the Mute button actually changes the mixer control */
84 	if (code == rc->mute_code)
85 		snd_usb_mixer_notify_id(mixer, rc->mute_mixer_id);
86 	mixer->rc_code = code;
87 	wmb();
88 	wake_up(&mixer->rc_waitq);
89 }
90 
91 static long snd_usb_sbrc_hwdep_read(struct snd_hwdep *hw, char __user *buf,
92 				     long count, loff_t *offset)
93 {
94 	struct usb_mixer_interface *mixer = hw->private_data;
95 	int err;
96 	u32 rc_code;
97 
98 	if (count != 1 && count != 4)
99 		return -EINVAL;
100 	err = wait_event_interruptible(mixer->rc_waitq,
101 				       (rc_code = xchg(&mixer->rc_code, 0)) != 0);
102 	if (err == 0) {
103 		if (count == 1)
104 			err = put_user(rc_code, buf);
105 		else
106 			err = put_user(rc_code, (u32 __user *)buf);
107 	}
108 	return err < 0 ? err : count;
109 }
110 
111 static unsigned int snd_usb_sbrc_hwdep_poll(struct snd_hwdep *hw, struct file *file,
112 					    poll_table *wait)
113 {
114 	struct usb_mixer_interface *mixer = hw->private_data;
115 
116 	poll_wait(file, &mixer->rc_waitq, wait);
117 	return mixer->rc_code ? POLLIN | POLLRDNORM : 0;
118 }
119 
120 static int snd_usb_soundblaster_remote_init(struct usb_mixer_interface *mixer)
121 {
122 	struct snd_hwdep *hwdep;
123 	int err, len, i;
124 
125 	for (i = 0; i < ARRAY_SIZE(rc_configs); ++i)
126 		if (rc_configs[i].usb_id == mixer->chip->usb_id)
127 			break;
128 	if (i >= ARRAY_SIZE(rc_configs))
129 		return 0;
130 	mixer->rc_cfg = &rc_configs[i];
131 
132 	len = mixer->rc_cfg->packet_length;
133 
134 	init_waitqueue_head(&mixer->rc_waitq);
135 	err = snd_hwdep_new(mixer->chip->card, "SB remote control", 0, &hwdep);
136 	if (err < 0)
137 		return err;
138 	snprintf(hwdep->name, sizeof(hwdep->name),
139 		 "%s remote control", mixer->chip->card->shortname);
140 	hwdep->iface = SNDRV_HWDEP_IFACE_SB_RC;
141 	hwdep->private_data = mixer;
142 	hwdep->ops.read = snd_usb_sbrc_hwdep_read;
143 	hwdep->ops.poll = snd_usb_sbrc_hwdep_poll;
144 	hwdep->exclusive = 1;
145 
146 	mixer->rc_urb = usb_alloc_urb(0, GFP_KERNEL);
147 	if (!mixer->rc_urb)
148 		return -ENOMEM;
149 	mixer->rc_setup_packet = kmalloc(sizeof(*mixer->rc_setup_packet), GFP_KERNEL);
150 	if (!mixer->rc_setup_packet) {
151 		usb_free_urb(mixer->rc_urb);
152 		mixer->rc_urb = NULL;
153 		return -ENOMEM;
154 	}
155 	mixer->rc_setup_packet->bRequestType =
156 		USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE;
157 	mixer->rc_setup_packet->bRequest = UAC_GET_MEM;
158 	mixer->rc_setup_packet->wValue = cpu_to_le16(0);
159 	mixer->rc_setup_packet->wIndex = cpu_to_le16(0);
160 	mixer->rc_setup_packet->wLength = cpu_to_le16(len);
161 	usb_fill_control_urb(mixer->rc_urb, mixer->chip->dev,
162 			     usb_rcvctrlpipe(mixer->chip->dev, 0),
163 			     (u8*)mixer->rc_setup_packet, mixer->rc_buffer, len,
164 			     snd_usb_soundblaster_remote_complete, mixer);
165 	return 0;
166 }
167 
168 #define snd_audigy2nx_led_info		snd_ctl_boolean_mono_info
169 
170 static int snd_audigy2nx_led_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
171 {
172 	struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
173 	int index = kcontrol->private_value;
174 
175 	ucontrol->value.integer.value[0] = mixer->audigy2nx_leds[index];
176 	return 0;
177 }
178 
179 static int snd_audigy2nx_led_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
180 {
181 	struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
182 	int index = kcontrol->private_value;
183 	int value = ucontrol->value.integer.value[0];
184 	int err, changed;
185 
186 	if (value > 1)
187 		return -EINVAL;
188 	changed = value != mixer->audigy2nx_leds[index];
189 	if (mixer->chip->usb_id == USB_ID(0x041e, 0x3042))
190 		err = snd_usb_ctl_msg(mixer->chip->dev,
191 			      usb_sndctrlpipe(mixer->chip->dev, 0), 0x24,
192 			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
193 			      !value, 0, NULL, 0, 100);
194 	/* USB X-Fi S51 Pro */
195 	if (mixer->chip->usb_id == USB_ID(0x041e, 0x30df))
196 		err = snd_usb_ctl_msg(mixer->chip->dev,
197 			      usb_sndctrlpipe(mixer->chip->dev, 0), 0x24,
198 			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
199 			      !value, 0, NULL, 0, 100);
200 	else
201 		err = snd_usb_ctl_msg(mixer->chip->dev,
202 			      usb_sndctrlpipe(mixer->chip->dev, 0), 0x24,
203 			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
204 			      value, index + 2, NULL, 0, 100);
205 	if (err < 0)
206 		return err;
207 	mixer->audigy2nx_leds[index] = value;
208 	return changed;
209 }
210 
211 static struct snd_kcontrol_new snd_audigy2nx_controls[] = {
212 	{
213 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
214 		.name = "CMSS LED Switch",
215 		.info = snd_audigy2nx_led_info,
216 		.get = snd_audigy2nx_led_get,
217 		.put = snd_audigy2nx_led_put,
218 		.private_value = 0,
219 	},
220 	{
221 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
222 		.name = "Power LED Switch",
223 		.info = snd_audigy2nx_led_info,
224 		.get = snd_audigy2nx_led_get,
225 		.put = snd_audigy2nx_led_put,
226 		.private_value = 1,
227 	},
228 	{
229 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
230 		.name = "Dolby Digital LED Switch",
231 		.info = snd_audigy2nx_led_info,
232 		.get = snd_audigy2nx_led_get,
233 		.put = snd_audigy2nx_led_put,
234 		.private_value = 2,
235 	},
236 };
237 
238 static int snd_audigy2nx_controls_create(struct usb_mixer_interface *mixer)
239 {
240 	int i, err;
241 
242 	for (i = 0; i < ARRAY_SIZE(snd_audigy2nx_controls); ++i) {
243 		/* USB X-Fi S51 doesn't have a CMSS LED */
244 		if ((mixer->chip->usb_id == USB_ID(0x041e, 0x3042)) && i == 0)
245 			continue;
246 		/* USB X-Fi S51 Pro doesn't have one either */
247 		if ((mixer->chip->usb_id == USB_ID(0x041e, 0x30df)) && i == 0)
248 			continue;
249 		if (i > 1 && /* Live24ext has 2 LEDs only */
250 			(mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
251 			 mixer->chip->usb_id == USB_ID(0x041e, 0x3042) ||
252 			 mixer->chip->usb_id == USB_ID(0x041e, 0x30df) ||
253 			 mixer->chip->usb_id == USB_ID(0x041e, 0x3048)))
254 			break;
255 		err = snd_ctl_add(mixer->chip->card,
256 				  snd_ctl_new1(&snd_audigy2nx_controls[i], mixer));
257 		if (err < 0)
258 			return err;
259 	}
260 	mixer->audigy2nx_leds[1] = 1; /* Power LED is on by default */
261 	return 0;
262 }
263 
264 static void snd_audigy2nx_proc_read(struct snd_info_entry *entry,
265 				    struct snd_info_buffer *buffer)
266 {
267 	static const struct sb_jack {
268 		int unitid;
269 		const char *name;
270 	}  jacks_audigy2nx[] = {
271 		{4,  "dig in "},
272 		{7,  "line in"},
273 		{19, "spk out"},
274 		{20, "hph out"},
275 		{-1, NULL}
276 	}, jacks_live24ext[] = {
277 		{4,  "line in"}, /* &1=Line, &2=Mic*/
278 		{3,  "hph out"}, /* headphones */
279 		{0,  "RC     "}, /* last command, 6 bytes see rc_config above */
280 		{-1, NULL}
281 	};
282 	const struct sb_jack *jacks;
283 	struct usb_mixer_interface *mixer = entry->private_data;
284 	int i, err;
285 	u8 buf[3];
286 
287 	snd_iprintf(buffer, "%s jacks\n\n", mixer->chip->card->shortname);
288 	if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020))
289 		jacks = jacks_audigy2nx;
290 	else if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
291 		 mixer->chip->usb_id == USB_ID(0x041e, 0x3048))
292 		jacks = jacks_live24ext;
293 	else
294 		return;
295 
296 	for (i = 0; jacks[i].name; ++i) {
297 		snd_iprintf(buffer, "%s: ", jacks[i].name);
298 		err = snd_usb_ctl_msg(mixer->chip->dev,
299 				      usb_rcvctrlpipe(mixer->chip->dev, 0),
300 				      UAC_GET_MEM, USB_DIR_IN | USB_TYPE_CLASS |
301 				      USB_RECIP_INTERFACE, 0,
302 				      jacks[i].unitid << 8, buf, 3, 100);
303 		if (err == 3 && (buf[0] == 3 || buf[0] == 6))
304 			snd_iprintf(buffer, "%02x %02x\n", buf[1], buf[2]);
305 		else
306 			snd_iprintf(buffer, "?\n");
307 	}
308 }
309 
310 static int snd_xonar_u1_switch_get(struct snd_kcontrol *kcontrol,
311 				   struct snd_ctl_elem_value *ucontrol)
312 {
313 	struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
314 
315 	ucontrol->value.integer.value[0] = !!(mixer->xonar_u1_status & 0x02);
316 	return 0;
317 }
318 
319 static int snd_xonar_u1_switch_put(struct snd_kcontrol *kcontrol,
320 				   struct snd_ctl_elem_value *ucontrol)
321 {
322 	struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
323 	u8 old_status, new_status;
324 	int err, changed;
325 
326 	old_status = mixer->xonar_u1_status;
327 	if (ucontrol->value.integer.value[0])
328 		new_status = old_status | 0x02;
329 	else
330 		new_status = old_status & ~0x02;
331 	changed = new_status != old_status;
332 	err = snd_usb_ctl_msg(mixer->chip->dev,
333 			      usb_sndctrlpipe(mixer->chip->dev, 0), 0x08,
334 			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
335 			      50, 0, &new_status, 1, 100);
336 	if (err < 0)
337 		return err;
338 	mixer->xonar_u1_status = new_status;
339 	return changed;
340 }
341 
342 static struct snd_kcontrol_new snd_xonar_u1_output_switch = {
343 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
344 	.name = "Digital Playback Switch",
345 	.info = snd_ctl_boolean_mono_info,
346 	.get = snd_xonar_u1_switch_get,
347 	.put = snd_xonar_u1_switch_put,
348 };
349 
350 static int snd_xonar_u1_controls_create(struct usb_mixer_interface *mixer)
351 {
352 	int err;
353 
354 	err = snd_ctl_add(mixer->chip->card,
355 			  snd_ctl_new1(&snd_xonar_u1_output_switch, mixer));
356 	if (err < 0)
357 		return err;
358 	mixer->xonar_u1_status = 0x05;
359 	return 0;
360 }
361 
362 /* Native Instruments device quirks */
363 
364 #define _MAKE_NI_CONTROL(bRequest,wIndex) ((bRequest) << 16 | (wIndex))
365 
366 static int snd_nativeinstruments_control_get(struct snd_kcontrol *kcontrol,
367 					     struct snd_ctl_elem_value *ucontrol)
368 {
369 	struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
370 	struct usb_device *dev = mixer->chip->dev;
371 	u8 bRequest = (kcontrol->private_value >> 16) & 0xff;
372 	u16 wIndex = kcontrol->private_value & 0xffff;
373 	u8 tmp;
374 
375 	int ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), bRequest,
376 				  USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
377 				  0, cpu_to_le16(wIndex),
378 				  &tmp, sizeof(tmp), 1000);
379 
380 	if (ret < 0) {
381 		snd_printk(KERN_ERR
382 			   "unable to issue vendor read request (ret = %d)", ret);
383 		return ret;
384 	}
385 
386 	ucontrol->value.integer.value[0] = tmp;
387 
388 	return 0;
389 }
390 
391 static int snd_nativeinstruments_control_put(struct snd_kcontrol *kcontrol,
392 					     struct snd_ctl_elem_value *ucontrol)
393 {
394 	struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
395 	struct usb_device *dev = mixer->chip->dev;
396 	u8 bRequest = (kcontrol->private_value >> 16) & 0xff;
397 	u16 wIndex = kcontrol->private_value & 0xffff;
398 	u16 wValue = ucontrol->value.integer.value[0];
399 
400 	int ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), bRequest,
401 				  USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
402 				  cpu_to_le16(wValue), cpu_to_le16(wIndex),
403 				  NULL, 0, 1000);
404 
405 	if (ret < 0) {
406 		snd_printk(KERN_ERR
407 			   "unable to issue vendor write request (ret = %d)", ret);
408 		return ret;
409 	}
410 
411 	return 0;
412 }
413 
414 static struct snd_kcontrol_new snd_nativeinstruments_ta6_mixers[] = {
415 	{
416 		.name = "Direct Thru Channel A",
417 		.private_value = _MAKE_NI_CONTROL(0x01, 0x03),
418 	},
419 	{
420 		.name = "Direct Thru Channel B",
421 		.private_value = _MAKE_NI_CONTROL(0x01, 0x05),
422 	},
423 	{
424 		.name = "Phono Input Channel A",
425 		.private_value = _MAKE_NI_CONTROL(0x02, 0x03),
426 	},
427 	{
428 		.name = "Phono Input Channel B",
429 		.private_value = _MAKE_NI_CONTROL(0x02, 0x05),
430 	},
431 };
432 
433 static struct snd_kcontrol_new snd_nativeinstruments_ta10_mixers[] = {
434 	{
435 		.name = "Direct Thru Channel A",
436 		.private_value = _MAKE_NI_CONTROL(0x01, 0x03),
437 	},
438 	{
439 		.name = "Direct Thru Channel B",
440 		.private_value = _MAKE_NI_CONTROL(0x01, 0x05),
441 	},
442 	{
443 		.name = "Direct Thru Channel C",
444 		.private_value = _MAKE_NI_CONTROL(0x01, 0x07),
445 	},
446 	{
447 		.name = "Direct Thru Channel D",
448 		.private_value = _MAKE_NI_CONTROL(0x01, 0x09),
449 	},
450 	{
451 		.name = "Phono Input Channel A",
452 		.private_value = _MAKE_NI_CONTROL(0x02, 0x03),
453 	},
454 	{
455 		.name = "Phono Input Channel B",
456 		.private_value = _MAKE_NI_CONTROL(0x02, 0x05),
457 	},
458 	{
459 		.name = "Phono Input Channel C",
460 		.private_value = _MAKE_NI_CONTROL(0x02, 0x07),
461 	},
462 	{
463 		.name = "Phono Input Channel D",
464 		.private_value = _MAKE_NI_CONTROL(0x02, 0x09),
465 	},
466 };
467 
468 static int snd_nativeinstruments_create_mixer(struct usb_mixer_interface *mixer,
469 					      const struct snd_kcontrol_new *kc,
470 					      unsigned int count)
471 {
472 	int i, err = 0;
473 	struct snd_kcontrol_new template = {
474 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
475 		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
476 		.get = snd_nativeinstruments_control_get,
477 		.put = snd_nativeinstruments_control_put,
478 		.info = snd_ctl_boolean_mono_info,
479 	};
480 
481 	for (i = 0; i < count; i++) {
482 		struct snd_kcontrol *c;
483 
484 		template.name = kc[i].name;
485 		template.private_value = kc[i].private_value;
486 
487 		c = snd_ctl_new1(&template, mixer);
488 		err = snd_ctl_add(mixer->chip->card, c);
489 
490 		if (err < 0)
491 			break;
492 	}
493 
494 	return err;
495 }
496 
497 /* M-Audio FastTrack Ultra quirks */
498 
499 /* private_free callback */
500 static void usb_mixer_elem_free(struct snd_kcontrol *kctl)
501 {
502 	kfree(kctl->private_data);
503 	kctl->private_data = NULL;
504 }
505 
506 static int snd_maudio_ftu_create_ctl(struct usb_mixer_interface *mixer,
507 				     int in, int out, const char *name)
508 {
509 	struct usb_mixer_elem_info *cval;
510 	struct snd_kcontrol *kctl;
511 
512 	cval = kzalloc(sizeof(*cval), GFP_KERNEL);
513 	if (!cval)
514 		return -ENOMEM;
515 
516 	cval->id = 5;
517 	cval->mixer = mixer;
518 	cval->val_type = USB_MIXER_S16;
519 	cval->channels = 1;
520 	cval->control = out + 1;
521 	cval->cmask = 1 << in;
522 
523 	kctl = snd_ctl_new1(snd_usb_feature_unit_ctl, cval);
524 	if (!kctl) {
525 		kfree(cval);
526 		return -ENOMEM;
527 	}
528 
529 	snprintf(kctl->id.name, sizeof(kctl->id.name), name);
530 	kctl->private_free = usb_mixer_elem_free;
531 	return snd_usb_mixer_add_control(mixer, kctl);
532 }
533 
534 static int snd_maudio_ftu_create_mixer(struct usb_mixer_interface *mixer)
535 {
536 	char name[64];
537 	int in, out, err;
538 
539 	for (out = 0; out < 8; out++) {
540 		for (in = 0; in < 8; in++) {
541 			snprintf(name, sizeof(name),
542 				 "AIn%d - Out%d Capture Volume", in  + 1, out + 1);
543 			err = snd_maudio_ftu_create_ctl(mixer, in, out, name);
544 			if (err < 0)
545 				return err;
546 		}
547 
548 		for (in = 8; in < 16; in++) {
549 			snprintf(name, sizeof(name),
550 				 "DIn%d - Out%d Playback Volume", in - 7, out + 1);
551 			err = snd_maudio_ftu_create_ctl(mixer, in, out, name);
552 			if (err < 0)
553 				return err;
554 		}
555 	}
556 
557 	return 0;
558 }
559 
560 void snd_emuusb_set_samplerate(struct snd_usb_audio *chip,
561 			       unsigned char samplerate_id)
562 {
563 	struct usb_mixer_interface *mixer;
564 	struct usb_mixer_elem_info *cval;
565 	int unitid = 12; /* SamleRate ExtensionUnit ID */
566 
567 	list_for_each_entry(mixer, &chip->mixer_list, list) {
568 		cval = mixer->id_elems[unitid];
569 		if (cval) {
570 			snd_usb_mixer_set_ctl_value(cval, UAC_SET_CUR,
571 						    cval->control << 8,
572 						    samplerate_id);
573 			snd_usb_mixer_notify_id(mixer, unitid);
574 		}
575 		break;
576 	}
577 }
578 
579 int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer)
580 {
581 	int err = 0;
582 	struct snd_info_entry *entry;
583 
584 	if ((err = snd_usb_soundblaster_remote_init(mixer)) < 0)
585 		return err;
586 
587 	switch (mixer->chip->usb_id) {
588 	case USB_ID(0x041e, 0x3020):
589 	case USB_ID(0x041e, 0x3040):
590 	case USB_ID(0x041e, 0x3042):
591 	case USB_ID(0x041e, 0x30df):
592 	case USB_ID(0x041e, 0x3048):
593 		err = snd_audigy2nx_controls_create(mixer);
594 		if (err < 0)
595 			break;
596 		if (!snd_card_proc_new(mixer->chip->card, "audigy2nx", &entry))
597 			snd_info_set_text_ops(entry, mixer,
598 					      snd_audigy2nx_proc_read);
599 		break;
600 
601 	case USB_ID(0x0763, 0x2080): /* M-Audio Fast Track Ultra */
602 	case USB_ID(0x0763, 0x2081): /* M-Audio Fast Track Ultra 8R */
603 		err = snd_maudio_ftu_create_mixer(mixer);
604 		break;
605 
606 	case USB_ID(0x0b05, 0x1739):
607 	case USB_ID(0x0b05, 0x1743):
608 		err = snd_xonar_u1_controls_create(mixer);
609 		break;
610 
611 	case USB_ID(0x17cc, 0x1011): /* Traktor Audio 6 */
612 		err = snd_nativeinstruments_create_mixer(mixer,
613 				snd_nativeinstruments_ta6_mixers,
614 				ARRAY_SIZE(snd_nativeinstruments_ta6_mixers));
615 		break;
616 
617 	case USB_ID(0x17cc, 0x1021): /* Traktor Audio 10 */
618 		err = snd_nativeinstruments_create_mixer(mixer,
619 				snd_nativeinstruments_ta10_mixers,
620 				ARRAY_SIZE(snd_nativeinstruments_ta10_mixers));
621 		break;
622 	}
623 
624 	return err;
625 }
626 
627 void snd_usb_mixer_rc_memory_change(struct usb_mixer_interface *mixer,
628 				    int unitid)
629 {
630 	if (!mixer->rc_cfg)
631 		return;
632 	/* unit ids specific to Extigy/Audigy 2 NX: */
633 	switch (unitid) {
634 	case 0: /* remote control */
635 		mixer->rc_urb->dev = mixer->chip->dev;
636 		usb_submit_urb(mixer->rc_urb, GFP_ATOMIC);
637 		break;
638 	case 4: /* digital in jack */
639 	case 7: /* line in jacks */
640 	case 19: /* speaker out jacks */
641 	case 20: /* headphones out jack */
642 		break;
643 	/* live24ext: 4 = line-in jack */
644 	case 3:	/* hp-out jack (may actuate Mute) */
645 		if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
646 		    mixer->chip->usb_id == USB_ID(0x041e, 0x3048))
647 			snd_usb_mixer_notify_id(mixer, mixer->rc_cfg->mute_mixer_id);
648 		break;
649 	default:
650 		snd_printd(KERN_DEBUG "memory change in unknown unit %d\n", unitid);
651 		break;
652 	}
653 }
654 
655