xref: /openbmc/linux/sound/pci/ice1712/revo.c (revision 1a59d1b8)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  *   ALSA driver for ICEnsemble ICE1712 (Envy24)
4  *
5  *   Lowlevel functions for M-Audio Audiophile 192, Revolution 7.1 and 5.1
6  *
7  *	Copyright (c) 2003 Takashi Iwai <tiwai@suse.de>
8  */
9 
10 #include <linux/delay.h>
11 #include <linux/interrupt.h>
12 #include <linux/init.h>
13 #include <linux/slab.h>
14 #include <sound/core.h>
15 
16 #include "ice1712.h"
17 #include "envy24ht.h"
18 #include "revo.h"
19 
20 /* a non-standard I2C device for revo51 */
21 struct revo51_spec {
22 	struct snd_i2c_device *dev;
23 	struct snd_pt2258 *pt2258;
24 	struct ak4114 *ak4114;
25 };
26 
revo_i2s_mclk_changed(struct snd_ice1712 * ice)27 static void revo_i2s_mclk_changed(struct snd_ice1712 *ice)
28 {
29 	/* assert PRST# to converters; MT05 bit 7 */
30 	outb(inb(ICEMT1724(ice, AC97_CMD)) | 0x80, ICEMT1724(ice, AC97_CMD));
31 	mdelay(5);
32 	/* deassert PRST# */
33 	outb(inb(ICEMT1724(ice, AC97_CMD)) & ~0x80, ICEMT1724(ice, AC97_CMD));
34 }
35 
36 /*
37  * change the rate of Envy24HT, AK4355 and AK4381
38  */
revo_set_rate_val(struct snd_akm4xxx * ak,unsigned int rate)39 static void revo_set_rate_val(struct snd_akm4xxx *ak, unsigned int rate)
40 {
41 	unsigned char old, tmp, dfs;
42 	int reg, shift;
43 
44 	if (rate == 0)	/* no hint - S/PDIF input is master, simply return */
45 		return;
46 
47 	/* adjust DFS on codecs */
48 	if (rate > 96000)
49 		dfs = 2;
50 	else if (rate > 48000)
51 		dfs = 1;
52 	else
53 		dfs = 0;
54 
55 	if (ak->type == SND_AK4355 || ak->type == SND_AK4358) {
56 		reg = 2;
57 		shift = 4;
58 	} else {
59 		reg = 1;
60 		shift = 3;
61 	}
62 	tmp = snd_akm4xxx_get(ak, 0, reg);
63 	old = (tmp >> shift) & 0x03;
64 	if (old == dfs)
65 		return;
66 
67 	/* reset DFS */
68 	snd_akm4xxx_reset(ak, 1);
69 	tmp = snd_akm4xxx_get(ak, 0, reg);
70 	tmp &= ~(0x03 << shift);
71 	tmp |= dfs << shift;
72 	/* snd_akm4xxx_write(ak, 0, reg, tmp); */
73 	snd_akm4xxx_set(ak, 0, reg, tmp); /* value is written in reset(0) */
74 	snd_akm4xxx_reset(ak, 0);
75 }
76 
77 /*
78  * I2C access to the PT2258 volume controller on GPIO 6/7 (Revolution 5.1)
79  */
80 
revo_i2c_start(struct snd_i2c_bus * bus)81 static void revo_i2c_start(struct snd_i2c_bus *bus)
82 {
83 	struct snd_ice1712 *ice = bus->private_data;
84 	snd_ice1712_save_gpio_status(ice);
85 }
86 
revo_i2c_stop(struct snd_i2c_bus * bus)87 static void revo_i2c_stop(struct snd_i2c_bus *bus)
88 {
89 	struct snd_ice1712 *ice = bus->private_data;
90 	snd_ice1712_restore_gpio_status(ice);
91 }
92 
revo_i2c_direction(struct snd_i2c_bus * bus,int clock,int data)93 static void revo_i2c_direction(struct snd_i2c_bus *bus, int clock, int data)
94 {
95 	struct snd_ice1712 *ice = bus->private_data;
96 	unsigned int mask, val;
97 
98 	val = 0;
99 	if (clock)
100 		val |= VT1724_REVO_I2C_CLOCK;	/* write SCL */
101 	if (data)
102 		val |= VT1724_REVO_I2C_DATA;	/* write SDA */
103 	mask = VT1724_REVO_I2C_CLOCK | VT1724_REVO_I2C_DATA;
104 	ice->gpio.direction &= ~mask;
105 	ice->gpio.direction |= val;
106 	snd_ice1712_gpio_set_dir(ice, ice->gpio.direction);
107 	snd_ice1712_gpio_set_mask(ice, ~mask);
108 }
109 
revo_i2c_setlines(struct snd_i2c_bus * bus,int clk,int data)110 static void revo_i2c_setlines(struct snd_i2c_bus *bus, int clk, int data)
111 {
112 	struct snd_ice1712 *ice = bus->private_data;
113 	unsigned int val = 0;
114 
115 	if (clk)
116 		val |= VT1724_REVO_I2C_CLOCK;
117 	if (data)
118 		val |= VT1724_REVO_I2C_DATA;
119 	snd_ice1712_gpio_write_bits(ice,
120 				    VT1724_REVO_I2C_DATA |
121 				    VT1724_REVO_I2C_CLOCK, val);
122 	udelay(5);
123 }
124 
revo_i2c_getdata(struct snd_i2c_bus * bus,int ack)125 static int revo_i2c_getdata(struct snd_i2c_bus *bus, int ack)
126 {
127 	struct snd_ice1712 *ice = bus->private_data;
128 	int bit;
129 
130 	if (ack)
131 		udelay(5);
132 	bit = snd_ice1712_gpio_read_bits(ice, VT1724_REVO_I2C_DATA) ? 1 : 0;
133 	return bit;
134 }
135 
136 static struct snd_i2c_bit_ops revo51_bit_ops = {
137 	.start = revo_i2c_start,
138 	.stop = revo_i2c_stop,
139 	.direction = revo_i2c_direction,
140 	.setlines = revo_i2c_setlines,
141 	.getdata = revo_i2c_getdata,
142 };
143 
revo51_i2c_init(struct snd_ice1712 * ice,struct snd_pt2258 * pt)144 static int revo51_i2c_init(struct snd_ice1712 *ice,
145 			   struct snd_pt2258 *pt)
146 {
147 	struct revo51_spec *spec;
148 	int err;
149 
150 	spec = kzalloc(sizeof(*spec), GFP_KERNEL);
151 	if (!spec)
152 		return -ENOMEM;
153 	ice->spec = spec;
154 
155 	/* create the I2C bus */
156 	err = snd_i2c_bus_create(ice->card, "ICE1724 GPIO6", NULL, &ice->i2c);
157 	if (err < 0)
158 		return err;
159 
160 	ice->i2c->private_data = ice;
161 	ice->i2c->hw_ops.bit = &revo51_bit_ops;
162 
163 	/* create the I2C device */
164 	err = snd_i2c_device_create(ice->i2c, "PT2258", 0x40, &spec->dev);
165 	if (err < 0)
166 		return err;
167 
168 	pt->card = ice->card;
169 	pt->i2c_bus = ice->i2c;
170 	pt->i2c_dev = spec->dev;
171 	spec->pt2258 = pt;
172 
173 	snd_pt2258_reset(pt);
174 
175 	return 0;
176 }
177 
178 /*
179  * initialize the chips on M-Audio Revolution cards
180  */
181 
182 #define AK_DAC(xname,xch) { .name = xname, .num_channels = xch }
183 
184 static const struct snd_akm4xxx_dac_channel revo71_front[] = {
185 	{
186 		.name = "PCM Playback Volume",
187 		.num_channels = 2,
188 		/* front channels DAC supports muting */
189 		.switch_name = "PCM Playback Switch",
190 	},
191 };
192 
193 static const struct snd_akm4xxx_dac_channel revo71_surround[] = {
194 	AK_DAC("PCM Center Playback Volume", 1),
195 	AK_DAC("PCM LFE Playback Volume", 1),
196 	AK_DAC("PCM Side Playback Volume", 2),
197 	AK_DAC("PCM Rear Playback Volume", 2),
198 };
199 
200 static const struct snd_akm4xxx_dac_channel revo51_dac[] = {
201 	AK_DAC("PCM Playback Volume", 2),
202 	AK_DAC("PCM Center Playback Volume", 1),
203 	AK_DAC("PCM LFE Playback Volume", 1),
204 	AK_DAC("PCM Rear Playback Volume", 2),
205 	AK_DAC("PCM Headphone Volume", 2),
206 };
207 
208 static const char *revo51_adc_input_names[] = {
209 	"Mic",
210 	"Line",
211 	"CD",
212 	NULL
213 };
214 
215 static const struct snd_akm4xxx_adc_channel revo51_adc[] = {
216 	{
217 		.name = "PCM Capture Volume",
218 		.switch_name = "PCM Capture Switch",
219 		.num_channels = 2,
220 		.input_names = revo51_adc_input_names
221 	},
222 };
223 
224 static const struct snd_akm4xxx akm_revo_front = {
225 	.type = SND_AK4381,
226 	.num_dacs = 2,
227 	.ops = {
228 		.set_rate_val = revo_set_rate_val
229 	},
230 	.dac_info = revo71_front,
231 };
232 
233 static const struct snd_ak4xxx_private akm_revo_front_priv = {
234 	.caddr = 1,
235 	.cif = 0,
236 	.data_mask = VT1724_REVO_CDOUT,
237 	.clk_mask = VT1724_REVO_CCLK,
238 	.cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
239 	.cs_addr = VT1724_REVO_CS0 | VT1724_REVO_CS2,
240 	.cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
241 	.add_flags = VT1724_REVO_CCLK, /* high at init */
242 	.mask_flags = 0,
243 };
244 
245 static const struct snd_akm4xxx akm_revo_surround = {
246 	.type = SND_AK4355,
247 	.idx_offset = 1,
248 	.num_dacs = 6,
249 	.ops = {
250 		.set_rate_val = revo_set_rate_val
251 	},
252 	.dac_info = revo71_surround,
253 };
254 
255 static const struct snd_ak4xxx_private akm_revo_surround_priv = {
256 	.caddr = 3,
257 	.cif = 0,
258 	.data_mask = VT1724_REVO_CDOUT,
259 	.clk_mask = VT1724_REVO_CCLK,
260 	.cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
261 	.cs_addr = VT1724_REVO_CS0 | VT1724_REVO_CS1,
262 	.cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
263 	.add_flags = VT1724_REVO_CCLK, /* high at init */
264 	.mask_flags = 0,
265 };
266 
267 static const struct snd_akm4xxx akm_revo51 = {
268 	.type = SND_AK4358,
269 	.num_dacs = 8,
270 	.ops = {
271 		.set_rate_val = revo_set_rate_val
272 	},
273 	.dac_info = revo51_dac,
274 };
275 
276 static const struct snd_ak4xxx_private akm_revo51_priv = {
277 	.caddr = 2,
278 	.cif = 0,
279 	.data_mask = VT1724_REVO_CDOUT,
280 	.clk_mask = VT1724_REVO_CCLK,
281 	.cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1,
282 	.cs_addr = VT1724_REVO_CS1,
283 	.cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1,
284 	.add_flags = VT1724_REVO_CCLK, /* high at init */
285 	.mask_flags = 0,
286 };
287 
288 static const struct snd_akm4xxx akm_revo51_adc = {
289 	.type = SND_AK5365,
290 	.num_adcs = 2,
291 	.adc_info = revo51_adc,
292 };
293 
294 static const struct snd_ak4xxx_private akm_revo51_adc_priv = {
295 	.caddr = 2,
296 	.cif = 0,
297 	.data_mask = VT1724_REVO_CDOUT,
298 	.clk_mask = VT1724_REVO_CCLK,
299 	.cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1,
300 	.cs_addr = VT1724_REVO_CS0,
301 	.cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1,
302 	.add_flags = VT1724_REVO_CCLK, /* high at init */
303 	.mask_flags = 0,
304 };
305 
306 static struct snd_pt2258 ptc_revo51_volume;
307 
308 /* AK4358 for AP192 DAC, AK5385A for ADC */
ap192_set_rate_val(struct snd_akm4xxx * ak,unsigned int rate)309 static void ap192_set_rate_val(struct snd_akm4xxx *ak, unsigned int rate)
310 {
311 	struct snd_ice1712 *ice = ak->private_data[0];
312 	int dfs;
313 
314 	revo_set_rate_val(ak, rate);
315 
316 	/* reset CKS */
317 	snd_ice1712_gpio_write_bits(ice, 1 << 8, rate > 96000 ? 1 << 8 : 0);
318 	/* reset DFS pins of AK5385A for ADC, too */
319 	if (rate > 96000)
320 		dfs = 2;
321 	else if (rate > 48000)
322 		dfs = 1;
323 	else
324 		dfs = 0;
325 	snd_ice1712_gpio_write_bits(ice, 3 << 9, dfs << 9);
326 	/* reset ADC */
327 	snd_ice1712_gpio_write_bits(ice, 1 << 11, 0);
328 	snd_ice1712_gpio_write_bits(ice, 1 << 11, 1 << 11);
329 }
330 
331 static const struct snd_akm4xxx_dac_channel ap192_dac[] = {
332 	AK_DAC("PCM Playback Volume", 2)
333 };
334 
335 static const struct snd_akm4xxx akm_ap192 = {
336 	.type = SND_AK4358,
337 	.num_dacs = 2,
338 	.ops = {
339 		.set_rate_val = ap192_set_rate_val
340 	},
341 	.dac_info = ap192_dac,
342 };
343 
344 static const struct snd_ak4xxx_private akm_ap192_priv = {
345 	.caddr = 2,
346 	.cif = 0,
347 	.data_mask = VT1724_REVO_CDOUT,
348 	.clk_mask = VT1724_REVO_CCLK,
349 	.cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS3,
350 	.cs_addr = VT1724_REVO_CS3,
351 	.cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS3,
352 	.add_flags = VT1724_REVO_CCLK, /* high at init */
353 	.mask_flags = 0,
354 };
355 
356 /* AK4114 support on Audiophile 192 */
357 /* CDTO (pin 32) -- GPIO2 pin 52
358  * CDTI (pin 33) -- GPIO3 pin 53 (shared with AK4358)
359  * CCLK (pin 34) -- GPIO1 pin 51 (shared with AK4358)
360  * CSN  (pin 35) -- GPIO7 pin 59
361  */
362 #define AK4114_ADDR	0x00
363 
write_data(struct snd_ice1712 * ice,unsigned int gpio,unsigned int data,int idx)364 static void write_data(struct snd_ice1712 *ice, unsigned int gpio,
365 		       unsigned int data, int idx)
366 {
367 	for (; idx >= 0; idx--) {
368 		/* drop clock */
369 		gpio &= ~VT1724_REVO_CCLK;
370 		snd_ice1712_gpio_write(ice, gpio);
371 		udelay(1);
372 		/* set data */
373 		if (data & (1 << idx))
374 			gpio |= VT1724_REVO_CDOUT;
375 		else
376 			gpio &= ~VT1724_REVO_CDOUT;
377 		snd_ice1712_gpio_write(ice, gpio);
378 		udelay(1);
379 		/* raise clock */
380 		gpio |= VT1724_REVO_CCLK;
381 		snd_ice1712_gpio_write(ice, gpio);
382 		udelay(1);
383 	}
384 }
385 
read_data(struct snd_ice1712 * ice,unsigned int gpio,int idx)386 static unsigned char read_data(struct snd_ice1712 *ice, unsigned int gpio,
387 			       int idx)
388 {
389 	unsigned char data = 0;
390 
391 	for (; idx >= 0; idx--) {
392 		/* drop clock */
393 		gpio &= ~VT1724_REVO_CCLK;
394 		snd_ice1712_gpio_write(ice, gpio);
395 		udelay(1);
396 		/* read data */
397 		if (snd_ice1712_gpio_read(ice) & VT1724_REVO_CDIN)
398 			data |= (1 << idx);
399 		udelay(1);
400 		/* raise clock */
401 		gpio |= VT1724_REVO_CCLK;
402 		snd_ice1712_gpio_write(ice, gpio);
403 		udelay(1);
404 	}
405 	return data;
406 }
407 
ap192_4wire_start(struct snd_ice1712 * ice)408 static unsigned int ap192_4wire_start(struct snd_ice1712 *ice)
409 {
410 	unsigned int tmp;
411 
412 	snd_ice1712_save_gpio_status(ice);
413 	tmp = snd_ice1712_gpio_read(ice);
414 	tmp |= VT1724_REVO_CCLK; /* high at init */
415 	tmp |= VT1724_REVO_CS0;
416 	tmp &= ~VT1724_REVO_CS3;
417 	snd_ice1712_gpio_write(ice, tmp);
418 	udelay(1);
419 	return tmp;
420 }
421 
ap192_4wire_finish(struct snd_ice1712 * ice,unsigned int tmp)422 static void ap192_4wire_finish(struct snd_ice1712 *ice, unsigned int tmp)
423 {
424 	tmp |= VT1724_REVO_CS3;
425 	tmp |= VT1724_REVO_CS0;
426 	snd_ice1712_gpio_write(ice, tmp);
427 	udelay(1);
428 	snd_ice1712_restore_gpio_status(ice);
429 }
430 
ap192_ak4114_write(void * private_data,unsigned char addr,unsigned char data)431 static void ap192_ak4114_write(void *private_data, unsigned char addr,
432 			       unsigned char data)
433 {
434 	struct snd_ice1712 *ice = private_data;
435 	unsigned int tmp, addrdata;
436 
437 	tmp = ap192_4wire_start(ice);
438 	addrdata = (AK4114_ADDR << 6) | 0x20 | (addr & 0x1f);
439 	addrdata = (addrdata << 8) | data;
440 	write_data(ice, tmp, addrdata, 15);
441 	ap192_4wire_finish(ice, tmp);
442 }
443 
ap192_ak4114_read(void * private_data,unsigned char addr)444 static unsigned char ap192_ak4114_read(void *private_data, unsigned char addr)
445 {
446 	struct snd_ice1712 *ice = private_data;
447 	unsigned int tmp;
448 	unsigned char data;
449 
450 	tmp = ap192_4wire_start(ice);
451 	write_data(ice, tmp, (AK4114_ADDR << 6) | (addr & 0x1f), 7);
452 	data = read_data(ice, tmp, 7);
453 	ap192_4wire_finish(ice, tmp);
454 	return data;
455 }
456 
ap192_ak4114_init(struct snd_ice1712 * ice)457 static int ap192_ak4114_init(struct snd_ice1712 *ice)
458 {
459 	static const unsigned char ak4114_init_vals[] = {
460 		AK4114_RST | AK4114_PWN | AK4114_OCKS0,
461 		AK4114_DIF_I24I2S,
462 		AK4114_TX1E,
463 		AK4114_EFH_1024 | AK4114_DIT | AK4114_IPS(0),
464 		0,
465 		0
466 	};
467 	static const unsigned char ak4114_init_txcsb[] = {
468 		0x41, 0x02, 0x2c, 0x00, 0x00
469 	};
470 	int err;
471 
472 	struct revo51_spec *spec;
473 	spec = kzalloc(sizeof(*spec), GFP_KERNEL);
474 	if (!spec)
475 		return -ENOMEM;
476 	ice->spec = spec;
477 
478 	err = snd_ak4114_create(ice->card,
479 				 ap192_ak4114_read,
480 				 ap192_ak4114_write,
481 				 ak4114_init_vals, ak4114_init_txcsb,
482 				 ice, &spec->ak4114);
483 	if (err < 0)
484 		return err;
485 	/* AK4114 in Revo cannot detect external rate correctly.
486 	 * No reason to stop capture stream due to incorrect checks */
487 	spec->ak4114->check_flags = AK4114_CHECK_NO_RATE;
488 
489 	return 0;
490 }
491 
revo_init(struct snd_ice1712 * ice)492 static int revo_init(struct snd_ice1712 *ice)
493 {
494 	struct snd_akm4xxx *ak;
495 	int err;
496 
497 	/* determine I2C, DACs and ADCs */
498 	switch (ice->eeprom.subvendor) {
499 	case VT1724_SUBDEVICE_REVOLUTION71:
500 		ice->num_total_dacs = 8;
501 		ice->num_total_adcs = 2;
502 		ice->gpio.i2s_mclk_changed = revo_i2s_mclk_changed;
503 		break;
504 	case VT1724_SUBDEVICE_REVOLUTION51:
505 		ice->num_total_dacs = 8;
506 		ice->num_total_adcs = 2;
507 		break;
508 	case VT1724_SUBDEVICE_AUDIOPHILE192:
509 		ice->num_total_dacs = 2;
510 		ice->num_total_adcs = 2;
511 		break;
512 	default:
513 		snd_BUG();
514 		return -EINVAL;
515 	}
516 
517 	/* second stage of initialization, analog parts and others */
518 	ak = ice->akm = kcalloc(2, sizeof(struct snd_akm4xxx), GFP_KERNEL);
519 	if (! ak)
520 		return -ENOMEM;
521 	switch (ice->eeprom.subvendor) {
522 	case VT1724_SUBDEVICE_REVOLUTION71:
523 		ice->akm_codecs = 2;
524 		err = snd_ice1712_akm4xxx_init(ak, &akm_revo_front,
525 						&akm_revo_front_priv, ice);
526 		if (err < 0)
527 			return err;
528 		err = snd_ice1712_akm4xxx_init(ak+1, &akm_revo_surround,
529 						&akm_revo_surround_priv, ice);
530 		if (err < 0)
531 			return err;
532 		/* unmute all codecs */
533 		snd_ice1712_gpio_write_bits(ice, VT1724_REVO_MUTE,
534 						VT1724_REVO_MUTE);
535 		break;
536 	case VT1724_SUBDEVICE_REVOLUTION51:
537 		ice->akm_codecs = 2;
538 		err = snd_ice1712_akm4xxx_init(ak, &akm_revo51,
539 					       &akm_revo51_priv, ice);
540 		if (err < 0)
541 			return err;
542 		err = snd_ice1712_akm4xxx_init(ak+1, &akm_revo51_adc,
543 					       &akm_revo51_adc_priv, ice);
544 		if (err < 0)
545 			return err;
546 		err = revo51_i2c_init(ice, &ptc_revo51_volume);
547 		if (err < 0)
548 			return err;
549 		/* unmute all codecs */
550 		snd_ice1712_gpio_write_bits(ice, VT1724_REVO_MUTE,
551 					    VT1724_REVO_MUTE);
552 		break;
553 	case VT1724_SUBDEVICE_AUDIOPHILE192:
554 		ice->akm_codecs = 1;
555 		err = snd_ice1712_akm4xxx_init(ak, &akm_ap192, &akm_ap192_priv,
556 					       ice);
557 		if (err < 0)
558 			return err;
559 		err = ap192_ak4114_init(ice);
560 		if (err < 0)
561 			return err;
562 
563 		/* unmute all codecs */
564 		snd_ice1712_gpio_write_bits(ice, VT1724_REVO_MUTE,
565 					    VT1724_REVO_MUTE);
566 		break;
567 	}
568 
569 	return 0;
570 }
571 
572 
revo_add_controls(struct snd_ice1712 * ice)573 static int revo_add_controls(struct snd_ice1712 *ice)
574 {
575 	struct revo51_spec *spec = ice->spec;
576 	int err;
577 
578 	switch (ice->eeprom.subvendor) {
579 	case VT1724_SUBDEVICE_REVOLUTION71:
580 		err = snd_ice1712_akm4xxx_build_controls(ice);
581 		if (err < 0)
582 			return err;
583 		break;
584 	case VT1724_SUBDEVICE_REVOLUTION51:
585 		err = snd_ice1712_akm4xxx_build_controls(ice);
586 		if (err < 0)
587 			return err;
588 		spec = ice->spec;
589 		err = snd_pt2258_build_controls(spec->pt2258);
590 		if (err < 0)
591 			return err;
592 		break;
593 	case VT1724_SUBDEVICE_AUDIOPHILE192:
594 		err = snd_ice1712_akm4xxx_build_controls(ice);
595 		if (err < 0)
596 			return err;
597 		/* only capture SPDIF over AK4114 */
598 		err = snd_ak4114_build(spec->ak4114, NULL,
599 		   ice->pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream);
600 		if (err < 0)
601 			return err;
602 		break;
603 	}
604 	return 0;
605 }
606 
607 /* entry point */
608 struct snd_ice1712_card_info snd_vt1724_revo_cards[] = {
609 	{
610 		.subvendor = VT1724_SUBDEVICE_REVOLUTION71,
611 		.name = "M Audio Revolution-7.1",
612 		.model = "revo71",
613 		.chip_init = revo_init,
614 		.build_controls = revo_add_controls,
615 	},
616 	{
617 		.subvendor = VT1724_SUBDEVICE_REVOLUTION51,
618 		.name = "M Audio Revolution-5.1",
619 		.model = "revo51",
620 		.chip_init = revo_init,
621 		.build_controls = revo_add_controls,
622 	},
623 	{
624 		.subvendor = VT1724_SUBDEVICE_AUDIOPHILE192,
625 		.name = "M Audio Audiophile192",
626 		.model = "ap192",
627 		.chip_init = revo_init,
628 		.build_controls = revo_add_controls,
629 	},
630 	{ } /* terminator */
631 };
632