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-rw-r--r--sound/i2c/other/ak4114.c580
1 files changed, 580 insertions, 0 deletions
diff --git a/sound/i2c/other/ak4114.c b/sound/i2c/other/ak4114.c
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index 000000000000..f5e6018ea3f4
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+++ b/sound/i2c/other/ak4114.c
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1/*
2 * Routines for control of the AK4114 via I2C and 4-wire serial interface
3 * IEC958 (S/PDIF) receiver by Asahi Kasei
4 * Copyright (c) by Jaroslav Kysela <perex@suse.cz>
5 *
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 *
21 */
22
23#include <sound/driver.h>
24#include <linux/slab.h>
25#include <linux/delay.h>
26#include <sound/core.h>
27#include <sound/control.h>
28#include <sound/pcm.h>
29#include <sound/ak4114.h>
30#include <sound/asoundef.h>
31
32MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
33MODULE_DESCRIPTION("AK4114 IEC958 (S/PDIF) receiver by Asahi Kasei");
34MODULE_LICENSE("GPL");
35
36#define AK4114_ADDR 0x00 /* fixed address */
37
38static void ak4114_stats(void *);
39
40static void reg_write(ak4114_t *ak4114, unsigned char reg, unsigned char val)
41{
42 ak4114->write(ak4114->private_data, reg, val);
43 if (reg <= AK4114_REG_INT1_MASK)
44 ak4114->regmap[reg] = val;
45 else if (reg >= AK4114_REG_RXCSB0 && reg <= AK4114_REG_TXCSB4)
46 ak4114->txcsb[reg-AK4114_REG_RXCSB0] = val;
47}
48
49static inline unsigned char reg_read(ak4114_t *ak4114, unsigned char reg)
50{
51 return ak4114->read(ak4114->private_data, reg);
52}
53
54#if 0
55static void reg_dump(ak4114_t *ak4114)
56{
57 int i;
58
59 printk("AK4114 REG DUMP:\n");
60 for (i = 0; i < 0x20; i++)
61 printk("reg[%02x] = %02x (%02x)\n", i, reg_read(ak4114, i), i < sizeof(ak4114->regmap) ? ak4114->regmap[i] : 0);
62}
63#endif
64
65static void snd_ak4114_free(ak4114_t *chip)
66{
67 chip->init = 1; /* don't schedule new work */
68 mb();
69 if (chip->workqueue != NULL) {
70 flush_workqueue(chip->workqueue);
71 destroy_workqueue(chip->workqueue);
72 }
73 kfree(chip);
74}
75
76static int snd_ak4114_dev_free(snd_device_t *device)
77{
78 ak4114_t *chip = device->device_data;
79 snd_ak4114_free(chip);
80 return 0;
81}
82
83int snd_ak4114_create(snd_card_t *card,
84 ak4114_read_t *read, ak4114_write_t *write,
85 unsigned char pgm[7], unsigned char txcsb[5],
86 void *private_data, ak4114_t **r_ak4114)
87{
88 ak4114_t *chip;
89 int err = 0;
90 unsigned char reg;
91 static snd_device_ops_t ops = {
92 .dev_free = snd_ak4114_dev_free,
93 };
94
95 chip = kcalloc(1, sizeof(*chip), GFP_KERNEL);
96 if (chip == NULL)
97 return -ENOMEM;
98 spin_lock_init(&chip->lock);
99 chip->card = card;
100 chip->read = read;
101 chip->write = write;
102 chip->private_data = private_data;
103
104 for (reg = 0; reg < 7; reg++)
105 chip->regmap[reg] = pgm[reg];
106 for (reg = 0; reg < 5; reg++)
107 chip->txcsb[reg] = txcsb[reg];
108
109 chip->workqueue = create_workqueue("snd-ak4114");
110 if (chip->workqueue == NULL) {
111 kfree(chip);
112 return -ENOMEM;
113 }
114
115 snd_ak4114_reinit(chip);
116
117 chip->rcs0 = reg_read(chip, AK4114_REG_RCS0) & ~(AK4114_QINT | AK4114_CINT);
118 chip->rcs1 = reg_read(chip, AK4114_REG_RCS1);
119
120 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0)
121 goto __fail;
122
123 if (r_ak4114)
124 *r_ak4114 = chip;
125 return 0;
126
127 __fail:
128 snd_ak4114_free(chip);
129 return err < 0 ? err : -EIO;
130}
131
132void snd_ak4114_reg_write(ak4114_t *chip, unsigned char reg, unsigned char mask, unsigned char val)
133{
134 if (reg <= AK4114_REG_INT1_MASK)
135 reg_write(chip, reg, (chip->regmap[reg] & ~mask) | val);
136 else if (reg >= AK4114_REG_TXCSB0 && reg <= AK4114_REG_TXCSB4)
137 reg_write(chip, reg, (chip->txcsb[reg] & ~mask) | val);
138}
139
140void snd_ak4114_reinit(ak4114_t *chip)
141{
142 unsigned char old = chip->regmap[AK4114_REG_PWRDN], reg;
143
144 chip->init = 1;
145 mb();
146 flush_workqueue(chip->workqueue);
147 /* bring the chip to reset state and powerdown state */
148 reg_write(chip, AK4114_REG_PWRDN, old & ~(AK4114_RST|AK4114_PWN));
149 udelay(200);
150 /* release reset, but leave powerdown */
151 reg_write(chip, AK4114_REG_PWRDN, (old | AK4114_RST) & ~AK4114_PWN);
152 udelay(200);
153 for (reg = 1; reg < 7; reg++)
154 reg_write(chip, reg, chip->regmap[reg]);
155 for (reg = 0; reg < 5; reg++)
156 reg_write(chip, reg + AK4114_REG_TXCSB0, chip->txcsb[reg]);
157 /* release powerdown, everything is initialized now */
158 reg_write(chip, AK4114_REG_PWRDN, old | AK4114_RST | AK4114_PWN);
159 /* bring up statistics / event queing */
160 chip->init = 0;
161 INIT_WORK(&chip->work, ak4114_stats, chip);
162 queue_delayed_work(chip->workqueue, &chip->work, HZ / 10);
163}
164
165static unsigned int external_rate(unsigned char rcs1)
166{
167 switch (rcs1 & (AK4114_FS0|AK4114_FS1|AK4114_FS2|AK4114_FS3)) {
168 case AK4114_FS_32000HZ: return 32000;
169 case AK4114_FS_44100HZ: return 44100;
170 case AK4114_FS_48000HZ: return 48000;
171 case AK4114_FS_88200HZ: return 88200;
172 case AK4114_FS_96000HZ: return 96000;
173 case AK4114_FS_176400HZ: return 176400;
174 case AK4114_FS_192000HZ: return 192000;
175 default: return 0;
176 }
177}
178
179static int snd_ak4114_in_error_info(snd_kcontrol_t *kcontrol,
180 snd_ctl_elem_info_t *uinfo)
181{
182 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
183 uinfo->count = 1;
184 uinfo->value.integer.min = 0;
185 uinfo->value.integer.max = LONG_MAX;
186 return 0;
187}
188
189static int snd_ak4114_in_error_get(snd_kcontrol_t *kcontrol,
190 snd_ctl_elem_value_t *ucontrol)
191{
192 ak4114_t *chip = snd_kcontrol_chip(kcontrol);
193 long *ptr;
194
195 spin_lock_irq(&chip->lock);
196 ptr = (long *)(((char *)chip) + kcontrol->private_value);
197 ucontrol->value.integer.value[0] = *ptr;
198 *ptr = 0;
199 spin_unlock_irq(&chip->lock);
200 return 0;
201}
202
203static int snd_ak4114_in_bit_info(snd_kcontrol_t *kcontrol,
204 snd_ctl_elem_info_t *uinfo)
205{
206 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
207 uinfo->count = 1;
208 uinfo->value.integer.min = 0;
209 uinfo->value.integer.max = 1;
210 return 0;
211}
212
213static int snd_ak4114_in_bit_get(snd_kcontrol_t *kcontrol,
214 snd_ctl_elem_value_t *ucontrol)
215{
216 ak4114_t *chip = snd_kcontrol_chip(kcontrol);
217 unsigned char reg = kcontrol->private_value & 0xff;
218 unsigned char bit = (kcontrol->private_value >> 8) & 0xff;
219 unsigned char inv = (kcontrol->private_value >> 31) & 1;
220
221 ucontrol->value.integer.value[0] = ((reg_read(chip, reg) & (1 << bit)) ? 1 : 0) ^ inv;
222 return 0;
223}
224
225static int snd_ak4114_rate_info(snd_kcontrol_t *kcontrol,
226 snd_ctl_elem_info_t *uinfo)
227{
228 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
229 uinfo->count = 1;
230 uinfo->value.integer.min = 0;
231 uinfo->value.integer.max = 192000;
232 return 0;
233}
234
235static int snd_ak4114_rate_get(snd_kcontrol_t *kcontrol,
236 snd_ctl_elem_value_t *ucontrol)
237{
238 ak4114_t *chip = snd_kcontrol_chip(kcontrol);
239
240 ucontrol->value.integer.value[0] = external_rate(reg_read(chip, AK4114_REG_RCS1));
241 return 0;
242}
243
244static int snd_ak4114_spdif_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
245{
246 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
247 uinfo->count = 1;
248 return 0;
249}
250
251static int snd_ak4114_spdif_get(snd_kcontrol_t * kcontrol,
252 snd_ctl_elem_value_t * ucontrol)
253{
254 ak4114_t *chip = snd_kcontrol_chip(kcontrol);
255 unsigned i;
256
257 for (i = 0; i < AK4114_REG_RXCSB_SIZE; i++)
258 ucontrol->value.iec958.status[i] = reg_read(chip, AK4114_REG_RXCSB0 + i);
259 return 0;
260}
261
262static int snd_ak4114_spdif_playback_get(snd_kcontrol_t * kcontrol,
263 snd_ctl_elem_value_t * ucontrol)
264{
265 ak4114_t *chip = snd_kcontrol_chip(kcontrol);
266 unsigned i;
267
268 for (i = 0; i < AK4114_REG_TXCSB_SIZE; i++)
269 ucontrol->value.iec958.status[i] = chip->txcsb[i];
270 return 0;
271}
272
273static int snd_ak4114_spdif_playback_put(snd_kcontrol_t * kcontrol,
274 snd_ctl_elem_value_t * ucontrol)
275{
276 ak4114_t *chip = snd_kcontrol_chip(kcontrol);
277 unsigned i;
278
279 for (i = 0; i < AK4114_REG_TXCSB_SIZE; i++)
280 reg_write(chip, AK4114_REG_TXCSB0 + i, ucontrol->value.iec958.status[i]);
281 return 0;
282}
283
284static int snd_ak4114_spdif_mask_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
285{
286 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
287 uinfo->count = 1;
288 return 0;
289}
290
291static int snd_ak4114_spdif_mask_get(snd_kcontrol_t * kcontrol,
292 snd_ctl_elem_value_t * ucontrol)
293{
294 memset(ucontrol->value.iec958.status, 0xff, AK4114_REG_RXCSB_SIZE);
295 return 0;
296}
297
298static int snd_ak4114_spdif_pinfo(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
299{
300 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
301 uinfo->value.integer.min = 0;
302 uinfo->value.integer.max = 0xffff;
303 uinfo->count = 4;
304 return 0;
305}
306
307static int snd_ak4114_spdif_pget(snd_kcontrol_t * kcontrol,
308 snd_ctl_elem_value_t * ucontrol)
309{
310 ak4114_t *chip = snd_kcontrol_chip(kcontrol);
311 unsigned short tmp;
312
313 ucontrol->value.integer.value[0] = 0xf8f2;
314 ucontrol->value.integer.value[1] = 0x4e1f;
315 tmp = reg_read(chip, AK4114_REG_Pc0) | (reg_read(chip, AK4114_REG_Pc1) << 8);
316 ucontrol->value.integer.value[2] = tmp;
317 tmp = reg_read(chip, AK4114_REG_Pd0) | (reg_read(chip, AK4114_REG_Pd1) << 8);
318 ucontrol->value.integer.value[3] = tmp;
319 return 0;
320}
321
322static int snd_ak4114_spdif_qinfo(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
323{
324 uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
325 uinfo->count = AK4114_REG_QSUB_SIZE;
326 return 0;
327}
328
329static int snd_ak4114_spdif_qget(snd_kcontrol_t * kcontrol,
330 snd_ctl_elem_value_t * ucontrol)
331{
332 ak4114_t *chip = snd_kcontrol_chip(kcontrol);
333 unsigned i;
334
335 for (i = 0; i < AK4114_REG_QSUB_SIZE; i++)
336 ucontrol->value.bytes.data[i] = reg_read(chip, AK4114_REG_QSUB_ADDR + i);
337 return 0;
338}
339
340/* Don't forget to change AK4114_CONTROLS define!!! */
341static snd_kcontrol_new_t snd_ak4114_iec958_controls[] = {
342{
343 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
344 .name = "IEC958 Parity Errors",
345 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
346 .info = snd_ak4114_in_error_info,
347 .get = snd_ak4114_in_error_get,
348 .private_value = offsetof(ak4114_t, parity_errors),
349},
350{
351 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
352 .name = "IEC958 V-Bit Errors",
353 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
354 .info = snd_ak4114_in_error_info,
355 .get = snd_ak4114_in_error_get,
356 .private_value = offsetof(ak4114_t, v_bit_errors),
357},
358{
359 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
360 .name = "IEC958 C-CRC Errors",
361 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
362 .info = snd_ak4114_in_error_info,
363 .get = snd_ak4114_in_error_get,
364 .private_value = offsetof(ak4114_t, ccrc_errors),
365},
366{
367 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
368 .name = "IEC958 Q-CRC Errors",
369 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
370 .info = snd_ak4114_in_error_info,
371 .get = snd_ak4114_in_error_get,
372 .private_value = offsetof(ak4114_t, qcrc_errors),
373},
374{
375 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
376 .name = "IEC958 External Rate",
377 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
378 .info = snd_ak4114_rate_info,
379 .get = snd_ak4114_rate_get,
380},
381{
382 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
383 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,MASK),
384 .access = SNDRV_CTL_ELEM_ACCESS_READ,
385 .info = snd_ak4114_spdif_mask_info,
386 .get = snd_ak4114_spdif_mask_get,
387},
388{
389 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
390 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
391 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
392 .info = snd_ak4114_spdif_info,
393 .get = snd_ak4114_spdif_playback_get,
394 .put = snd_ak4114_spdif_playback_put,
395},
396{
397 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
398 .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,MASK),
399 .access = SNDRV_CTL_ELEM_ACCESS_READ,
400 .info = snd_ak4114_spdif_mask_info,
401 .get = snd_ak4114_spdif_mask_get,
402},
403{
404 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
405 .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,DEFAULT),
406 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
407 .info = snd_ak4114_spdif_info,
408 .get = snd_ak4114_spdif_get,
409},
410{
411 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
412 .name = "IEC958 Preample Capture Default",
413 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
414 .info = snd_ak4114_spdif_pinfo,
415 .get = snd_ak4114_spdif_pget,
416},
417{
418 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
419 .name = "IEC958 Q-subcode Capture Default",
420 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
421 .info = snd_ak4114_spdif_qinfo,
422 .get = snd_ak4114_spdif_qget,
423},
424{
425 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
426 .name = "IEC958 Audio",
427 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
428 .info = snd_ak4114_in_bit_info,
429 .get = snd_ak4114_in_bit_get,
430 .private_value = (1<<31) | (1<<8) | AK4114_REG_RCS0,
431},
432{
433 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
434 .name = "IEC958 Non-PCM Bitstream",
435 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
436 .info = snd_ak4114_in_bit_info,
437 .get = snd_ak4114_in_bit_get,
438 .private_value = (6<<8) | AK4114_REG_RCS1,
439},
440{
441 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
442 .name = "IEC958 DTS Bitstream",
443 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
444 .info = snd_ak4114_in_bit_info,
445 .get = snd_ak4114_in_bit_get,
446 .private_value = (3<<8) | AK4114_REG_RCS1,
447}
448};
449
450int snd_ak4114_build(ak4114_t *ak4114,
451 snd_pcm_substream_t *ply_substream,
452 snd_pcm_substream_t *cap_substream)
453{
454 snd_kcontrol_t *kctl;
455 unsigned int idx;
456 int err;
457
458 snd_assert(cap_substream, return -EINVAL);
459 ak4114->playback_substream = ply_substream;
460 ak4114->capture_substream = cap_substream;
461 for (idx = 0; idx < AK4114_CONTROLS; idx++) {
462 kctl = snd_ctl_new1(&snd_ak4114_iec958_controls[idx], ak4114);
463 if (kctl == NULL)
464 return -ENOMEM;
465 if (!strstr(kctl->id.name, "Playback")) {
466 if (ply_substream == NULL) {
467 snd_ctl_free_one(kctl);
468 ak4114->kctls[idx] = NULL;
469 continue;
470 }
471 kctl->id.device = ply_substream->pcm->device;
472 kctl->id.subdevice = ply_substream->number;
473 } else {
474 kctl->id.device = cap_substream->pcm->device;
475 kctl->id.subdevice = cap_substream->number;
476 }
477 err = snd_ctl_add(ak4114->card, kctl);
478 if (err < 0)
479 return err;
480 ak4114->kctls[idx] = kctl;
481 }
482 return 0;
483}
484
485int snd_ak4114_external_rate(ak4114_t *ak4114)
486{
487 unsigned char rcs1;
488
489 rcs1 = reg_read(ak4114, AK4114_REG_RCS1);
490 return external_rate(rcs1);
491}
492
493int snd_ak4114_check_rate_and_errors(ak4114_t *ak4114, unsigned int flags)
494{
495 snd_pcm_runtime_t *runtime = ak4114->capture_substream ? ak4114->capture_substream->runtime : NULL;
496 unsigned long _flags;
497 int res = 0;
498 unsigned char rcs0, rcs1;
499 unsigned char c0, c1;
500
501 rcs1 = reg_read(ak4114, AK4114_REG_RCS1);
502 if (flags & AK4114_CHECK_NO_STAT)
503 goto __rate;
504 rcs0 = reg_read(ak4114, AK4114_REG_RCS0);
505 spin_lock_irqsave(&ak4114->lock, _flags);
506 if (rcs0 & AK4114_PAR)
507 ak4114->parity_errors++;
508 if (rcs1 & AK4114_V)
509 ak4114->v_bit_errors++;
510 if (rcs1 & AK4114_CCRC)
511 ak4114->ccrc_errors++;
512 if (rcs1 & AK4114_QCRC)
513 ak4114->qcrc_errors++;
514 c0 = (ak4114->rcs0 & (AK4114_QINT | AK4114_CINT | AK4114_PEM | AK4114_AUDION | AK4114_AUTO | AK4114_UNLCK)) ^
515 (rcs0 & (AK4114_QINT | AK4114_CINT | AK4114_PEM | AK4114_AUDION | AK4114_AUTO | AK4114_UNLCK));
516 c1 = (ak4114->rcs1 & 0xf0) ^ (rcs1 & 0xf0);
517 ak4114->rcs0 = rcs0 & ~(AK4114_QINT | AK4114_CINT);
518 ak4114->rcs1 = rcs1;
519 spin_unlock_irqrestore(&ak4114->lock, _flags);
520
521 if (rcs0 & AK4114_PAR)
522 snd_ctl_notify(ak4114->card, SNDRV_CTL_EVENT_MASK_VALUE, &ak4114->kctls[0]->id);
523 if (rcs0 & AK4114_V)
524 snd_ctl_notify(ak4114->card, SNDRV_CTL_EVENT_MASK_VALUE, &ak4114->kctls[1]->id);
525 if (rcs1 & AK4114_CCRC)
526 snd_ctl_notify(ak4114->card, SNDRV_CTL_EVENT_MASK_VALUE, &ak4114->kctls[2]->id);
527 if (rcs1 & AK4114_QCRC)
528 snd_ctl_notify(ak4114->card, SNDRV_CTL_EVENT_MASK_VALUE, &ak4114->kctls[3]->id);
529
530 /* rate change */
531 if (c1 & 0xf0)
532 snd_ctl_notify(ak4114->card, SNDRV_CTL_EVENT_MASK_VALUE, &ak4114->kctls[4]->id);
533
534 if ((c0 & AK4114_PEM) | (c0 & AK4114_CINT))
535 snd_ctl_notify(ak4114->card, SNDRV_CTL_EVENT_MASK_VALUE, &ak4114->kctls[9]->id);
536 if (c0 & AK4114_QINT)
537 snd_ctl_notify(ak4114->card, SNDRV_CTL_EVENT_MASK_VALUE, &ak4114->kctls[10]->id);
538
539 if (c0 & AK4114_AUDION)
540 snd_ctl_notify(ak4114->card, SNDRV_CTL_EVENT_MASK_VALUE, &ak4114->kctls[11]->id);
541 if (c0 & AK4114_AUTO)
542 snd_ctl_notify(ak4114->card, SNDRV_CTL_EVENT_MASK_VALUE, &ak4114->kctls[12]->id);
543 if (c0 & AK4114_DTSCD)
544 snd_ctl_notify(ak4114->card, SNDRV_CTL_EVENT_MASK_VALUE, &ak4114->kctls[13]->id);
545
546 if (ak4114->change_callback && (c0 | c1) != 0)
547 ak4114->change_callback(ak4114, c0, c1);
548
549 __rate:
550 /* compare rate */
551 res = external_rate(rcs1);
552 if (!(flags & AK4114_CHECK_NO_RATE) && runtime && runtime->rate != res) {
553 snd_pcm_stream_lock_irqsave(ak4114->capture_substream, _flags);
554 if (snd_pcm_running(ak4114->capture_substream)) {
555 // printk("rate changed (%i <- %i)\n", runtime->rate, res);
556 snd_pcm_stop(ak4114->capture_substream, SNDRV_PCM_STATE_DRAINING);
557 wake_up(&runtime->sleep);
558 res = 1;
559 }
560 snd_pcm_stream_unlock_irqrestore(ak4114->capture_substream, _flags);
561 }
562 return res;
563}
564
565static void ak4114_stats(void *data)
566{
567 ak4114_t *chip = (ak4114_t *)data;
568
569 if (chip->init)
570 return;
571 snd_ak4114_check_rate_and_errors(chip, 0);
572 queue_delayed_work(chip->workqueue, &chip->work, HZ / 10);
573}
574
575EXPORT_SYMBOL(snd_ak4114_create);
576EXPORT_SYMBOL(snd_ak4114_reg_write);
577EXPORT_SYMBOL(snd_ak4114_reinit);
578EXPORT_SYMBOL(snd_ak4114_build);
579EXPORT_SYMBOL(snd_ak4114_external_rate);
580EXPORT_SYMBOL(snd_ak4114_check_rate_and_errors);
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-20 11:31:48 -0500