oxygen_mixer.c

   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 * C-Media CMI8788 driver - mixer code
   4 *
   5 * Copyright (c) Clemens Ladisch <clemens@ladisch.de>
   6 */
   7
   8#include <linux/mutex.h>
   9#include <sound/ac97_codec.h>
  10#include <sound/asoundef.h>
  11#include <sound/control.h>
  12#include <sound/tlv.h>
  13#include "oxygen.h"
  14#include "cm9780.h"
  15
  16static int dac_volume_info(struct snd_kcontrol *ctl,
  17			   struct snd_ctl_elem_info *info)
  18{
  19	struct oxygen *chip = ctl->private_data;
  20
  21	info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
  22	info->count = chip->model.dac_channels_mixer;
  23	info->value.integer.min = chip->model.dac_volume_min;
  24	info->value.integer.max = chip->model.dac_volume_max;
  25	return 0;
  26}
  27
  28static int dac_volume_get(struct snd_kcontrol *ctl,
  29			  struct snd_ctl_elem_value *value)
  30{
  31	struct oxygen *chip = ctl->private_data;
  32	unsigned int i;
  33
  34	guard(mutex)(&chip->mutex);
  35	for (i = 0; i < chip->model.dac_channels_mixer; ++i)
  36		value->value.integer.value[i] = chip->dac_volume[i];
  37	return 0;
  38}
  39
  40static int dac_volume_put(struct snd_kcontrol *ctl,
  41			  struct snd_ctl_elem_value *value)
  42{
  43	struct oxygen *chip = ctl->private_data;
  44	unsigned int i;
  45	int changed;
  46
  47	changed = 0;
  48	guard(mutex)(&chip->mutex);
  49	for (i = 0; i < chip->model.dac_channels_mixer; ++i)
  50		if (value->value.integer.value[i] != chip->dac_volume[i]) {
  51			chip->dac_volume[i] = value->value.integer.value[i];
  52			changed = 1;
  53		}
  54	if (changed)
  55		chip->model.update_dac_volume(chip);
  56	return changed;
  57}
  58
  59static int dac_mute_get(struct snd_kcontrol *ctl,
  60			struct snd_ctl_elem_value *value)
  61{
  62	struct oxygen *chip = ctl->private_data;
  63
  64	guard(mutex)(&chip->mutex);
  65	value->value.integer.value[0] = !chip->dac_mute;
  66	return 0;
  67}
  68
  69static int dac_mute_put(struct snd_kcontrol *ctl,
  70			  struct snd_ctl_elem_value *value)
  71{
  72	struct oxygen *chip = ctl->private_data;
  73	int changed;
  74
  75	guard(mutex)(&chip->mutex);
  76	changed = (!value->value.integer.value[0]) != chip->dac_mute;
  77	if (changed) {
  78		chip->dac_mute = !value->value.integer.value[0];
  79		chip->model.update_dac_mute(chip);
  80	}
  81	return changed;
  82}
  83
  84static unsigned int upmix_item_count(struct oxygen *chip)
  85{
  86	if (chip->model.dac_channels_pcm < 8)
  87		return 2;
  88	else if (chip->model.update_center_lfe_mix)
  89		return 5;
  90	else
  91		return 3;
  92}
  93
  94static int upmix_info(struct snd_kcontrol *ctl, struct snd_ctl_elem_info *info)
  95{
  96	static const char *const names[5] = {
  97		"Front",
  98		"Front+Surround",
  99		"Front+Surround+Back",
 100		"Front+Surround+Center/LFE",
 101		"Front+Surround+Center/LFE+Back",
 102	};
 103	struct oxygen *chip = ctl->private_data;
 104	unsigned int count = upmix_item_count(chip);
 105
 106	return snd_ctl_enum_info(info, 1, count, names);
 107}
 108
 109static int upmix_get(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
 110{
 111	struct oxygen *chip = ctl->private_data;
 112
 113	guard(mutex)(&chip->mutex);
 114	value->value.enumerated.item[0] = chip->dac_routing;
 115	return 0;
 116}
 117
 118void oxygen_update_dac_routing(struct oxygen *chip)
 119{
 120	/* DAC 0: front, DAC 1: surround, DAC 2: center/LFE, DAC 3: back */
 121	static const unsigned int reg_values[5] = {
 122		/* stereo -> front */
 123		(0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
 124		(1 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
 125		(2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
 126		(3 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT),
 127		/* stereo -> front+surround */
 128		(0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
 129		(0 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
 130		(2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
 131		(3 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT),
 132		/* stereo -> front+surround+back */
 133		(0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
 134		(0 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
 135		(2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
 136		(0 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT),
 137		/* stereo -> front+surround+center/LFE */
 138		(0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
 139		(0 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
 140		(0 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
 141		(3 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT),
 142		/* stereo -> front+surround+center/LFE+back */
 143		(0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
 144		(0 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
 145		(0 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
 146		(0 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT),
 147	};
 148	u8 channels;
 149	unsigned int reg_value;
 150
 151	channels = oxygen_read8(chip, OXYGEN_PLAY_CHANNELS) &
 152		OXYGEN_PLAY_CHANNELS_MASK;
 153	if (channels == OXYGEN_PLAY_CHANNELS_2)
 154		reg_value = reg_values[chip->dac_routing];
 155	else if (channels == OXYGEN_PLAY_CHANNELS_8)
 156		/* in 7.1 mode, "rear" channels go to the "back" jack */
 157		reg_value = (0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
 158			    (3 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
 159			    (2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
 160			    (1 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT);
 161	else
 162		reg_value = (0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
 163			    (1 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
 164			    (2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
 165			    (3 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT);
 166	if (chip->model.adjust_dac_routing)
 167		reg_value = chip->model.adjust_dac_routing(chip, reg_value);
 168	oxygen_write16_masked(chip, OXYGEN_PLAY_ROUTING, reg_value,
 169			      OXYGEN_PLAY_DAC0_SOURCE_MASK |
 170			      OXYGEN_PLAY_DAC1_SOURCE_MASK |
 171			      OXYGEN_PLAY_DAC2_SOURCE_MASK |
 172			      OXYGEN_PLAY_DAC3_SOURCE_MASK);
 173	if (chip->model.update_center_lfe_mix)
 174		chip->model.update_center_lfe_mix(chip, chip->dac_routing > 2);
 175}
 176EXPORT_SYMBOL(oxygen_update_dac_routing);
 177
 178static int upmix_put(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
 179{
 180	struct oxygen *chip = ctl->private_data;
 181	unsigned int count = upmix_item_count(chip);
 182	int changed;
 183
 184	if (value->value.enumerated.item[0] >= count)
 185		return -EINVAL;
 186	guard(mutex)(&chip->mutex);
 187	changed = value->value.enumerated.item[0] != chip->dac_routing;
 188	if (changed) {
 189		chip->dac_routing = value->value.enumerated.item[0];
 190		oxygen_update_dac_routing(chip);
 191	}
 192	return changed;
 193}
 194
 195static int spdif_switch_get(struct snd_kcontrol *ctl,
 196			    struct snd_ctl_elem_value *value)
 197{
 198	struct oxygen *chip = ctl->private_data;
 199
 200	guard(mutex)(&chip->mutex);
 201	value->value.integer.value[0] = chip->spdif_playback_enable;
 202	return 0;
 203}
 204
 205static unsigned int oxygen_spdif_rate(unsigned int oxygen_rate)
 206{
 207	switch (oxygen_rate) {
 208	case OXYGEN_RATE_32000:
 209		return IEC958_AES3_CON_FS_32000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
 210	case OXYGEN_RATE_44100:
 211		return IEC958_AES3_CON_FS_44100 << OXYGEN_SPDIF_CS_RATE_SHIFT;
 212	default: /* OXYGEN_RATE_48000 */
 213		return IEC958_AES3_CON_FS_48000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
 214	case OXYGEN_RATE_64000:
 215		return 0xb << OXYGEN_SPDIF_CS_RATE_SHIFT;
 216	case OXYGEN_RATE_88200:
 217		return IEC958_AES3_CON_FS_88200 << OXYGEN_SPDIF_CS_RATE_SHIFT;
 218	case OXYGEN_RATE_96000:
 219		return IEC958_AES3_CON_FS_96000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
 220	case OXYGEN_RATE_176400:
 221		return IEC958_AES3_CON_FS_176400 << OXYGEN_SPDIF_CS_RATE_SHIFT;
 222	case OXYGEN_RATE_192000:
 223		return IEC958_AES3_CON_FS_192000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
 224	}
 225}
 226
 227void oxygen_update_spdif_source(struct oxygen *chip)
 228{
 229	u32 old_control, new_control;
 230	u16 old_routing, new_routing;
 231	unsigned int oxygen_rate;
 232
 233	old_control = oxygen_read32(chip, OXYGEN_SPDIF_CONTROL);
 234	old_routing = oxygen_read16(chip, OXYGEN_PLAY_ROUTING);
 235	if (chip->pcm_active & (1 << PCM_SPDIF)) {
 236		new_control = old_control | OXYGEN_SPDIF_OUT_ENABLE;
 237		new_routing = (old_routing & ~OXYGEN_PLAY_SPDIF_MASK)
 238			| OXYGEN_PLAY_SPDIF_SPDIF;
 239		oxygen_rate = (old_control >> OXYGEN_SPDIF_OUT_RATE_SHIFT)
 240			& OXYGEN_I2S_RATE_MASK;
 241		/* S/PDIF rate was already set by the caller */
 242	} else if ((chip->pcm_active & (1 << PCM_MULTICH)) &&
 243		   chip->spdif_playback_enable) {
 244		new_routing = (old_routing & ~OXYGEN_PLAY_SPDIF_MASK)
 245			| OXYGEN_PLAY_SPDIF_MULTICH_01;
 246		oxygen_rate = oxygen_read16(chip, OXYGEN_I2S_MULTICH_FORMAT)
 247			& OXYGEN_I2S_RATE_MASK;
 248		new_control = (old_control & ~OXYGEN_SPDIF_OUT_RATE_MASK) |
 249			(oxygen_rate << OXYGEN_SPDIF_OUT_RATE_SHIFT) |
 250			OXYGEN_SPDIF_OUT_ENABLE;
 251	} else {
 252		new_control = old_control & ~OXYGEN_SPDIF_OUT_ENABLE;
 253		new_routing = old_routing;
 254		oxygen_rate = OXYGEN_RATE_44100;
 255	}
 256	if (old_routing != new_routing) {
 257		oxygen_write32(chip, OXYGEN_SPDIF_CONTROL,
 258			       new_control & ~OXYGEN_SPDIF_OUT_ENABLE);
 259		oxygen_write16(chip, OXYGEN_PLAY_ROUTING, new_routing);
 260	}
 261	if (new_control & OXYGEN_SPDIF_OUT_ENABLE)
 262		oxygen_write32(chip, OXYGEN_SPDIF_OUTPUT_BITS,
 263			       oxygen_spdif_rate(oxygen_rate) |
 264			       ((chip->pcm_active & (1 << PCM_SPDIF)) ?
 265				chip->spdif_pcm_bits : chip->spdif_bits));
 266	oxygen_write32(chip, OXYGEN_SPDIF_CONTROL, new_control);
 267}
 268
 269static int spdif_switch_put(struct snd_kcontrol *ctl,
 270			    struct snd_ctl_elem_value *value)
 271{
 272	struct oxygen *chip = ctl->private_data;
 273	int changed;
 274
 275	guard(mutex)(&chip->mutex);
 276	changed = value->value.integer.value[0] != chip->spdif_playback_enable;
 277	if (changed) {
 278		chip->spdif_playback_enable = !!value->value.integer.value[0];
 279		spin_lock_irq(&chip->reg_lock);
 280		oxygen_update_spdif_source(chip);
 281		spin_unlock_irq(&chip->reg_lock);
 282	}
 283	return changed;
 284}
 285
 286static int spdif_info(struct snd_kcontrol *ctl, struct snd_ctl_elem_info *info)
 287{
 288	info->type = SNDRV_CTL_ELEM_TYPE_IEC958;
 289	info->count = 1;
 290	return 0;
 291}
 292
 293static void oxygen_to_iec958(u32 bits, struct snd_ctl_elem_value *value)
 294{
 295	value->value.iec958.status[0] =
 296		bits & (OXYGEN_SPDIF_NONAUDIO | OXYGEN_SPDIF_C |
 297			OXYGEN_SPDIF_PREEMPHASIS);
 298	value->value.iec958.status[1] = /* category and original */
 299		bits >> OXYGEN_SPDIF_CATEGORY_SHIFT;
 300}
 301
 302static u32 iec958_to_oxygen(struct snd_ctl_elem_value *value)
 303{
 304	u32 bits;
 305
 306	bits = value->value.iec958.status[0] &
 307		(OXYGEN_SPDIF_NONAUDIO | OXYGEN_SPDIF_C |
 308		 OXYGEN_SPDIF_PREEMPHASIS);
 309	bits |= value->value.iec958.status[1] << OXYGEN_SPDIF_CATEGORY_SHIFT;
 310	if (bits & OXYGEN_SPDIF_NONAUDIO)
 311		bits |= OXYGEN_SPDIF_V;
 312	return bits;
 313}
 314
 315static inline void write_spdif_bits(struct oxygen *chip, u32 bits)
 316{
 317	oxygen_write32_masked(chip, OXYGEN_SPDIF_OUTPUT_BITS, bits,
 318			      OXYGEN_SPDIF_NONAUDIO |
 319			      OXYGEN_SPDIF_C |
 320			      OXYGEN_SPDIF_PREEMPHASIS |
 321			      OXYGEN_SPDIF_CATEGORY_MASK |
 322			      OXYGEN_SPDIF_ORIGINAL |
 323			      OXYGEN_SPDIF_V);
 324}
 325
 326static int spdif_default_get(struct snd_kcontrol *ctl,
 327			     struct snd_ctl_elem_value *value)
 328{
 329	struct oxygen *chip = ctl->private_data;
 330
 331	guard(mutex)(&chip->mutex);
 332	oxygen_to_iec958(chip->spdif_bits, value);
 333	return 0;
 334}
 335
 336static int spdif_default_put(struct snd_kcontrol *ctl,
 337			     struct snd_ctl_elem_value *value)
 338{
 339	struct oxygen *chip = ctl->private_data;
 340	u32 new_bits;
 341	int changed;
 342
 343	new_bits = iec958_to_oxygen(value);
 344	guard(mutex)(&chip->mutex);
 345	changed = new_bits != chip->spdif_bits;
 346	if (changed) {
 347		chip->spdif_bits = new_bits;
 348		if (!(chip->pcm_active & (1 << PCM_SPDIF)))
 349			write_spdif_bits(chip, new_bits);
 350	}
 351	return changed;
 352}
 353
 354static int spdif_mask_get(struct snd_kcontrol *ctl,
 355			  struct snd_ctl_elem_value *value)
 356{
 357	value->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
 358		IEC958_AES0_CON_NOT_COPYRIGHT | IEC958_AES0_CON_EMPHASIS;
 359	value->value.iec958.status[1] =
 360		IEC958_AES1_CON_CATEGORY | IEC958_AES1_CON_ORIGINAL;
 361	return 0;
 362}
 363
 364static int spdif_pcm_get(struct snd_kcontrol *ctl,
 365			 struct snd_ctl_elem_value *value)
 366{
 367	struct oxygen *chip = ctl->private_data;
 368
 369	guard(mutex)(&chip->mutex);
 370	oxygen_to_iec958(chip->spdif_pcm_bits, value);
 371	return 0;
 372}
 373
 374static int spdif_pcm_put(struct snd_kcontrol *ctl,
 375			 struct snd_ctl_elem_value *value)
 376{
 377	struct oxygen *chip = ctl->private_data;
 378	u32 new_bits;
 379	int changed;
 380
 381	new_bits = iec958_to_oxygen(value);
 382	guard(mutex)(&chip->mutex);
 383	changed = new_bits != chip->spdif_pcm_bits;
 384	if (changed) {
 385		chip->spdif_pcm_bits = new_bits;
 386		if (chip->pcm_active & (1 << PCM_SPDIF))
 387			write_spdif_bits(chip, new_bits);
 388	}
 389	return changed;
 390}
 391
 392static int spdif_input_mask_get(struct snd_kcontrol *ctl,
 393				struct snd_ctl_elem_value *value)
 394{
 395	value->value.iec958.status[0] = 0xff;
 396	value->value.iec958.status[1] = 0xff;
 397	value->value.iec958.status[2] = 0xff;
 398	value->value.iec958.status[3] = 0xff;
 399	return 0;
 400}
 401
 402static int spdif_input_default_get(struct snd_kcontrol *ctl,
 403				   struct snd_ctl_elem_value *value)
 404{
 405	struct oxygen *chip = ctl->private_data;
 406	u32 bits;
 407
 408	bits = oxygen_read32(chip, OXYGEN_SPDIF_INPUT_BITS);
 409	value->value.iec958.status[0] = bits;
 410	value->value.iec958.status[1] = bits >> 8;
 411	value->value.iec958.status[2] = bits >> 16;
 412	value->value.iec958.status[3] = bits >> 24;
 413	return 0;
 414}
 415
 416static int spdif_bit_switch_get(struct snd_kcontrol *ctl,
 417				struct snd_ctl_elem_value *value)
 418{
 419	struct oxygen *chip = ctl->private_data;
 420	u32 bit = ctl->private_value;
 421
 422	value->value.integer.value[0] =
 423		!!(oxygen_read32(chip, OXYGEN_SPDIF_CONTROL) & bit);
 424	return 0;
 425}
 426
 427static int spdif_bit_switch_put(struct snd_kcontrol *ctl,
 428				struct snd_ctl_elem_value *value)
 429{
 430	struct oxygen *chip = ctl->private_data;
 431	u32 bit = ctl->private_value;
 432	u32 oldreg, newreg;
 433	int changed;
 434
 435	guard(spinlock_irq)(&chip->reg_lock);
 436	oldreg = oxygen_read32(chip, OXYGEN_SPDIF_CONTROL);
 437	if (value->value.integer.value[0])
 438		newreg = oldreg | bit;
 439	else
 440		newreg = oldreg & ~bit;
 441	changed = newreg != oldreg;
 442	if (changed)
 443		oxygen_write32(chip, OXYGEN_SPDIF_CONTROL, newreg);
 444	return changed;
 445}
 446
 447static int monitor_volume_info(struct snd_kcontrol *ctl,
 448			       struct snd_ctl_elem_info *info)
 449{
 450	info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 451	info->count = 1;
 452	info->value.integer.min = 0;
 453	info->value.integer.max = 1;
 454	return 0;
 455}
 456
 457static int monitor_get(struct snd_kcontrol *ctl,
 458		       struct snd_ctl_elem_value *value)
 459{
 460	struct oxygen *chip = ctl->private_data;
 461	u8 bit = ctl->private_value;
 462	int invert = ctl->private_value & (1 << 8);
 463
 464	value->value.integer.value[0] =
 465		!!invert ^ !!(oxygen_read8(chip, OXYGEN_ADC_MONITOR) & bit);
 466	return 0;
 467}
 468
 469static int monitor_put(struct snd_kcontrol *ctl,
 470		       struct snd_ctl_elem_value *value)
 471{
 472	struct oxygen *chip = ctl->private_data;
 473	u8 bit = ctl->private_value;
 474	int invert = ctl->private_value & (1 << 8);
 475	u8 oldreg, newreg;
 476	int changed;
 477
 478	guard(spinlock_irq)(&chip->reg_lock);
 479	oldreg = oxygen_read8(chip, OXYGEN_ADC_MONITOR);
 480	if ((!!value->value.integer.value[0] ^ !!invert) != 0)
 481		newreg = oldreg | bit;
 482	else
 483		newreg = oldreg & ~bit;
 484	changed = newreg != oldreg;
 485	if (changed)
 486		oxygen_write8(chip, OXYGEN_ADC_MONITOR, newreg);
 487	return changed;
 488}
 489
 490static int ac97_switch_get(struct snd_kcontrol *ctl,
 491			   struct snd_ctl_elem_value *value)
 492{
 493	struct oxygen *chip = ctl->private_data;
 494	unsigned int codec = (ctl->private_value >> 24) & 1;
 495	unsigned int index = ctl->private_value & 0xff;
 496	unsigned int bitnr = (ctl->private_value >> 8) & 0xff;
 497	int invert = ctl->private_value & (1 << 16);
 498	u16 reg;
 499
 500	guard(mutex)(&chip->mutex);
 501	reg = oxygen_read_ac97(chip, codec, index);
 502	if (!(reg & (1 << bitnr)) ^ !invert)
 503		value->value.integer.value[0] = 1;
 504	else
 505		value->value.integer.value[0] = 0;
 506	return 0;
 507}
 508
 509static void mute_ac97_ctl(struct oxygen *chip, unsigned int control)
 510{
 511	unsigned int priv_idx;
 512	u16 value;
 513
 514	if (!chip->controls[control])
 515		return;
 516	priv_idx = chip->controls[control]->private_value & 0xff;
 517	value = oxygen_read_ac97(chip, 0, priv_idx);
 518	if (!(value & 0x8000)) {
 519		oxygen_write_ac97(chip, 0, priv_idx, value | 0x8000);
 520		if (chip->model.ac97_switch)
 521			chip->model.ac97_switch(chip, priv_idx, 0x8000);
 522		snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
 523			       &chip->controls[control]->id);
 524	}
 525}
 526
 527static int ac97_switch_put(struct snd_kcontrol *ctl,
 528			   struct snd_ctl_elem_value *value)
 529{
 530	struct oxygen *chip = ctl->private_data;
 531	unsigned int codec = (ctl->private_value >> 24) & 1;
 532	unsigned int index = ctl->private_value & 0xff;
 533	unsigned int bitnr = (ctl->private_value >> 8) & 0xff;
 534	int invert = ctl->private_value & (1 << 16);
 535	u16 oldreg, newreg;
 536	int change;
 537
 538	guard(mutex)(&chip->mutex);
 539	oldreg = oxygen_read_ac97(chip, codec, index);
 540	newreg = oldreg;
 541	if (!value->value.integer.value[0] ^ !invert)
 542		newreg |= 1 << bitnr;
 543	else
 544		newreg &= ~(1 << bitnr);
 545	change = newreg != oldreg;
 546	if (change) {
 547		oxygen_write_ac97(chip, codec, index, newreg);
 548		if (codec == 0 && chip->model.ac97_switch)
 549			chip->model.ac97_switch(chip, index, newreg & 0x8000);
 550		if (index == AC97_LINE) {
 551			oxygen_write_ac97_masked(chip, 0, CM9780_GPIO_STATUS,
 552						 newreg & 0x8000 ?
 553						 CM9780_GPO0 : 0, CM9780_GPO0);
 554			if (!(newreg & 0x8000)) {
 555				mute_ac97_ctl(chip, CONTROL_MIC_CAPTURE_SWITCH);
 556				mute_ac97_ctl(chip, CONTROL_CD_CAPTURE_SWITCH);
 557				mute_ac97_ctl(chip, CONTROL_AUX_CAPTURE_SWITCH);
 558			}
 559		} else if ((index == AC97_MIC || index == AC97_CD ||
 560			    index == AC97_VIDEO || index == AC97_AUX) &&
 561			   bitnr == 15 && !(newreg & 0x8000)) {
 562			mute_ac97_ctl(chip, CONTROL_LINE_CAPTURE_SWITCH);
 563			oxygen_write_ac97_masked(chip, 0, CM9780_GPIO_STATUS,
 564						 CM9780_GPO0, CM9780_GPO0);
 565		}
 566	}
 567	return change;
 568}
 569
 570static int ac97_volume_info(struct snd_kcontrol *ctl,
 571			    struct snd_ctl_elem_info *info)
 572{
 573	int stereo = (ctl->private_value >> 16) & 1;
 574
 575	info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 576	info->count = stereo ? 2 : 1;
 577	info->value.integer.min = 0;
 578	info->value.integer.max = 0x1f;
 579	return 0;
 580}
 581
 582static int ac97_volume_get(struct snd_kcontrol *ctl,
 583			   struct snd_ctl_elem_value *value)
 584{
 585	struct oxygen *chip = ctl->private_data;
 586	unsigned int codec = (ctl->private_value >> 24) & 1;
 587	int stereo = (ctl->private_value >> 16) & 1;
 588	unsigned int index = ctl->private_value & 0xff;
 589	u16 reg;
 590
 591	guard(mutex)(&chip->mutex);
 592	reg = oxygen_read_ac97(chip, codec, index);
 593	if (!stereo) {
 594		value->value.integer.value[0] = 31 - (reg & 0x1f);
 595	} else {
 596		value->value.integer.value[0] = 31 - ((reg >> 8) & 0x1f);
 597		value->value.integer.value[1] = 31 - (reg & 0x1f);
 598	}
 599	return 0;
 600}
 601
 602static int ac97_volume_put(struct snd_kcontrol *ctl,
 603			   struct snd_ctl_elem_value *value)
 604{
 605	struct oxygen *chip = ctl->private_data;
 606	unsigned int codec = (ctl->private_value >> 24) & 1;
 607	int stereo = (ctl->private_value >> 16) & 1;
 608	unsigned int index = ctl->private_value & 0xff;
 609	u16 oldreg, newreg;
 610	int change;
 611
 612	guard(mutex)(&chip->mutex);
 613	oldreg = oxygen_read_ac97(chip, codec, index);
 614	if (!stereo) {
 615		newreg = oldreg & ~0x1f;
 616		newreg |= 31 - (value->value.integer.value[0] & 0x1f);
 617	} else {
 618		newreg = oldreg & ~0x1f1f;
 619		newreg |= (31 - (value->value.integer.value[0] & 0x1f)) << 8;
 620		newreg |= 31 - (value->value.integer.value[1] & 0x1f);
 621	}
 622	change = newreg != oldreg;
 623	if (change)
 624		oxygen_write_ac97(chip, codec, index, newreg);
 625	return change;
 626}
 627
 628static int mic_fmic_source_info(struct snd_kcontrol *ctl,
 629			   struct snd_ctl_elem_info *info)
 630{
 631	static const char *const names[] = { "Mic Jack", "Front Panel" };
 632
 633	return snd_ctl_enum_info(info, 1, 2, names);
 634}
 635
 636static int mic_fmic_source_get(struct snd_kcontrol *ctl,
 637			       struct snd_ctl_elem_value *value)
 638{
 639	struct oxygen *chip = ctl->private_data;
 640
 641	guard(mutex)(&chip->mutex);
 642	value->value.enumerated.item[0] =
 643		!!(oxygen_read_ac97(chip, 0, CM9780_JACK) & CM9780_FMIC2MIC);
 644	return 0;
 645}
 646
 647static int mic_fmic_source_put(struct snd_kcontrol *ctl,
 648			       struct snd_ctl_elem_value *value)
 649{
 650	struct oxygen *chip = ctl->private_data;
 651	u16 oldreg, newreg;
 652	int change;
 653
 654	guard(mutex)(&chip->mutex);
 655	oldreg = oxygen_read_ac97(chip, 0, CM9780_JACK);
 656	if (value->value.enumerated.item[0])
 657		newreg = oldreg | CM9780_FMIC2MIC;
 658	else
 659		newreg = oldreg & ~CM9780_FMIC2MIC;
 660	change = newreg != oldreg;
 661	if (change)
 662		oxygen_write_ac97(chip, 0, CM9780_JACK, newreg);
 663	return change;
 664}
 665
 666static int ac97_fp_rec_volume_info(struct snd_kcontrol *ctl,
 667				   struct snd_ctl_elem_info *info)
 668{
 669	info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 670	info->count = 2;
 671	info->value.integer.min = 0;
 672	info->value.integer.max = 7;
 673	return 0;
 674}
 675
 676static int ac97_fp_rec_volume_get(struct snd_kcontrol *ctl,
 677				  struct snd_ctl_elem_value *value)
 678{
 679	struct oxygen *chip = ctl->private_data;
 680	u16 reg;
 681
 682	guard(mutex)(&chip->mutex);
 683	reg = oxygen_read_ac97(chip, 1, AC97_REC_GAIN);
 684	value->value.integer.value[0] = reg & 7;
 685	value->value.integer.value[1] = (reg >> 8) & 7;
 686	return 0;
 687}
 688
 689static int ac97_fp_rec_volume_put(struct snd_kcontrol *ctl,
 690				  struct snd_ctl_elem_value *value)
 691{
 692	struct oxygen *chip = ctl->private_data;
 693	u16 oldreg, newreg;
 694	int change;
 695
 696	guard(mutex)(&chip->mutex);
 697	oldreg = oxygen_read_ac97(chip, 1, AC97_REC_GAIN);
 698	newreg = oldreg & ~0x0707;
 699	newreg = newreg | (value->value.integer.value[0] & 7);
 700	newreg = newreg | ((value->value.integer.value[1] & 7) << 8);
 701	change = newreg != oldreg;
 702	if (change)
 703		oxygen_write_ac97(chip, 1, AC97_REC_GAIN, newreg);
 704	return change;
 705}
 706
 707#define AC97_SWITCH(xname, codec, index, bitnr, invert) { \
 708		.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
 709		.name = xname, \
 710		.info = snd_ctl_boolean_mono_info, \
 711		.get = ac97_switch_get, \
 712		.put = ac97_switch_put, \
 713		.private_value = ((codec) << 24) | ((invert) << 16) | \
 714				 ((bitnr) << 8) | (index), \
 715	}
 716#define AC97_VOLUME(xname, codec, index, stereo) { \
 717		.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
 718		.name = xname, \
 719		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
 720			  SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
 721		.info = ac97_volume_info, \
 722		.get = ac97_volume_get, \
 723		.put = ac97_volume_put, \
 724		.tlv = { .p = ac97_db_scale, }, \
 725		.private_value = ((codec) << 24) | ((stereo) << 16) | (index), \
 726	}
 727
 728static DECLARE_TLV_DB_SCALE(monitor_db_scale, -600, 600, 0);
 729static DECLARE_TLV_DB_SCALE(ac97_db_scale, -3450, 150, 0);
 730static DECLARE_TLV_DB_SCALE(ac97_rec_db_scale, 0, 150, 0);
 731
 732static const struct snd_kcontrol_new controls[] = {
 733	{
 734		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 735		.name = "Master Playback Volume",
 736		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
 737		.info = dac_volume_info,
 738		.get = dac_volume_get,
 739		.put = dac_volume_put,
 740	},
 741	{
 742		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 743		.name = "Master Playback Switch",
 744		.info = snd_ctl_boolean_mono_info,
 745		.get = dac_mute_get,
 746		.put = dac_mute_put,
 747	},
 748	{
 749		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 750		.name = "Stereo Upmixing",
 751		.info = upmix_info,
 752		.get = upmix_get,
 753		.put = upmix_put,
 754	},
 755};
 756
 757static const struct snd_kcontrol_new spdif_output_controls[] = {
 758	{
 759		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 760		.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH),
 761		.info = snd_ctl_boolean_mono_info,
 762		.get = spdif_switch_get,
 763		.put = spdif_switch_put,
 764	},
 765	{
 766		.iface = SNDRV_CTL_ELEM_IFACE_PCM,
 767		.device = 1,
 768		.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
 769		.info = spdif_info,
 770		.get = spdif_default_get,
 771		.put = spdif_default_put,
 772	},
 773	{
 774		.iface = SNDRV_CTL_ELEM_IFACE_PCM,
 775		.device = 1,
 776		.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
 777		.access = SNDRV_CTL_ELEM_ACCESS_READ,
 778		.info = spdif_info,
 779		.get = spdif_mask_get,
 780	},
 781	{
 782		.iface = SNDRV_CTL_ELEM_IFACE_PCM,
 783		.device = 1,
 784		.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM),
 785		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
 786			  SNDRV_CTL_ELEM_ACCESS_INACTIVE,
 787		.info = spdif_info,
 788		.get = spdif_pcm_get,
 789		.put = spdif_pcm_put,
 790	},
 791};
 792
 793static const struct snd_kcontrol_new spdif_input_controls[] = {
 794	{
 795		.iface = SNDRV_CTL_ELEM_IFACE_PCM,
 796		.device = 1,
 797		.name = SNDRV_CTL_NAME_IEC958("", CAPTURE, MASK),
 798		.access = SNDRV_CTL_ELEM_ACCESS_READ,
 799		.info = spdif_info,
 800		.get = spdif_input_mask_get,
 801	},
 802	{
 803		.iface = SNDRV_CTL_ELEM_IFACE_PCM,
 804		.device = 1,
 805		.name = SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
 806		.access = SNDRV_CTL_ELEM_ACCESS_READ,
 807		.info = spdif_info,
 808		.get = spdif_input_default_get,
 809	},
 810	{
 811		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 812		.name = SNDRV_CTL_NAME_IEC958("Loopback ", NONE, SWITCH),
 813		.info = snd_ctl_boolean_mono_info,
 814		.get = spdif_bit_switch_get,
 815		.put = spdif_bit_switch_put,
 816		.private_value = OXYGEN_SPDIF_LOOPBACK,
 817	},
 818	{
 819		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 820		.name = SNDRV_CTL_NAME_IEC958("Validity Check ",CAPTURE,SWITCH),
 821		.info = snd_ctl_boolean_mono_info,
 822		.get = spdif_bit_switch_get,
 823		.put = spdif_bit_switch_put,
 824		.private_value = OXYGEN_SPDIF_SPDVALID,
 825	},
 826};
 827
 828static const struct {
 829	unsigned int pcm_dev;
 830	struct snd_kcontrol_new controls[2];
 831} monitor_controls[] = {
 832	{
 833		.pcm_dev = CAPTURE_0_FROM_I2S_1,
 834		.controls = {
 835			{
 836				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 837				.name = "Analog Input Monitor Playback Switch",
 838				.info = snd_ctl_boolean_mono_info,
 839				.get = monitor_get,
 840				.put = monitor_put,
 841				.private_value = OXYGEN_ADC_MONITOR_A,
 842			},
 843			{
 844				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 845				.name = "Analog Input Monitor Playback Volume",
 846				.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
 847					  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
 848				.info = monitor_volume_info,
 849				.get = monitor_get,
 850				.put = monitor_put,
 851				.private_value = OXYGEN_ADC_MONITOR_A_HALF_VOL
 852						| (1 << 8),
 853				.tlv = { .p = monitor_db_scale, },
 854			},
 855		},
 856	},
 857	{
 858		.pcm_dev = CAPTURE_0_FROM_I2S_2,
 859		.controls = {
 860			{
 861				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 862				.name = "Analog Input Monitor Playback Switch",
 863				.info = snd_ctl_boolean_mono_info,
 864				.get = monitor_get,
 865				.put = monitor_put,
 866				.private_value = OXYGEN_ADC_MONITOR_B,
 867			},
 868			{
 869				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 870				.name = "Analog Input Monitor Playback Volume",
 871				.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
 872					  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
 873				.info = monitor_volume_info,
 874				.get = monitor_get,
 875				.put = monitor_put,
 876				.private_value = OXYGEN_ADC_MONITOR_B_HALF_VOL
 877						| (1 << 8),
 878				.tlv = { .p = monitor_db_scale, },
 879			},
 880		},
 881	},
 882	{
 883		.pcm_dev = CAPTURE_2_FROM_I2S_2,
 884		.controls = {
 885			{
 886				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 887				.name = "Analog Input Monitor Playback Switch",
 888				.index = 1,
 889				.info = snd_ctl_boolean_mono_info,
 890				.get = monitor_get,
 891				.put = monitor_put,
 892				.private_value = OXYGEN_ADC_MONITOR_B,
 893			},
 894			{
 895				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 896				.name = "Analog Input Monitor Playback Volume",
 897				.index = 1,
 898				.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
 899					  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
 900				.info = monitor_volume_info,
 901				.get = monitor_get,
 902				.put = monitor_put,
 903				.private_value = OXYGEN_ADC_MONITOR_B_HALF_VOL
 904						| (1 << 8),
 905				.tlv = { .p = monitor_db_scale, },
 906			},
 907		},
 908	},
 909	{
 910		.pcm_dev = CAPTURE_3_FROM_I2S_3,
 911		.controls = {
 912			{
 913				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 914				.name = "Analog Input Monitor Playback Switch",
 915				.index = 2,
 916				.info = snd_ctl_boolean_mono_info,
 917				.get = monitor_get,
 918				.put = monitor_put,
 919				.private_value = OXYGEN_ADC_MONITOR_C,
 920			},
 921			{
 922				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 923				.name = "Analog Input Monitor Playback Volume",
 924				.index = 2,
 925				.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
 926					  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
 927				.info = monitor_volume_info,
 928				.get = monitor_get,
 929				.put = monitor_put,
 930				.private_value = OXYGEN_ADC_MONITOR_C_HALF_VOL
 931						| (1 << 8),
 932				.tlv = { .p = monitor_db_scale, },
 933			},
 934		},
 935	},
 936	{
 937		.pcm_dev = CAPTURE_1_FROM_SPDIF,
 938		.controls = {
 939			{
 940				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 941				.name = "Digital Input Monitor Playback Switch",
 942				.info = snd_ctl_boolean_mono_info,
 943				.get = monitor_get,
 944				.put = monitor_put,
 945				.private_value = OXYGEN_ADC_MONITOR_C,
 946			},
 947			{
 948				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 949				.name = "Digital Input Monitor Playback Volume",
 950				.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
 951					  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
 952				.info = monitor_volume_info,
 953				.get = monitor_get,
 954				.put = monitor_put,
 955				.private_value = OXYGEN_ADC_MONITOR_C_HALF_VOL
 956						| (1 << 8),
 957				.tlv = { .p = monitor_db_scale, },
 958			},
 959		},
 960	},
 961};
 962
 963static const struct snd_kcontrol_new ac97_controls[] = {
 964	AC97_VOLUME("Mic Capture Volume", 0, AC97_MIC, 0),
 965	AC97_SWITCH("Mic Capture Switch", 0, AC97_MIC, 15, 1),
 966	AC97_SWITCH("Mic Boost (+20dB)", 0, AC97_MIC, 6, 0),
 967	{
 968		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 969		.name = "Mic Source Capture Enum",
 970		.info = mic_fmic_source_info,
 971		.get = mic_fmic_source_get,
 972		.put = mic_fmic_source_put,
 973	},
 974	AC97_SWITCH("Line Capture Switch", 0, AC97_LINE, 15, 1),
 975	AC97_VOLUME("CD Capture Volume", 0, AC97_CD, 1),
 976	AC97_SWITCH("CD Capture Switch", 0, AC97_CD, 15, 1),
 977	AC97_VOLUME("Aux Capture Volume", 0, AC97_AUX, 1),
 978	AC97_SWITCH("Aux Capture Switch", 0, AC97_AUX, 15, 1),
 979};
 980
 981static const struct snd_kcontrol_new ac97_fp_controls[] = {
 982	AC97_VOLUME("Front Panel Playback Volume", 1, AC97_HEADPHONE, 1),
 983	AC97_SWITCH("Front Panel Playback Switch", 1, AC97_HEADPHONE, 15, 1),
 984	{
 985		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 986		.name = "Front Panel Capture Volume",
 987		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
 988			  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
 989		.info = ac97_fp_rec_volume_info,
 990		.get = ac97_fp_rec_volume_get,
 991		.put = ac97_fp_rec_volume_put,
 992		.tlv = { .p = ac97_rec_db_scale, },
 993	},
 994	AC97_SWITCH("Front Panel Capture Switch", 1, AC97_REC_GAIN, 15, 1),
 995};
 996
 997static void oxygen_any_ctl_free(struct snd_kcontrol *ctl)
 998{
 999	struct oxygen *chip = ctl->private_data;
1000	unsigned int i;
1001
1002	/* I'm too lazy to write a function for each control :-) */
1003	for (i = 0; i < ARRAY_SIZE(chip->controls); ++i)
1004		chip->controls[i] = NULL;
1005}
1006
1007static int add_controls(struct oxygen *chip,
1008			const struct snd_kcontrol_new controls[],
1009			unsigned int count)
1010{
1011	static const char *const known_ctl_names[CONTROL_COUNT] = {
1012		[CONTROL_SPDIF_PCM] =
1013			SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM),
1014		[CONTROL_SPDIF_INPUT_BITS] =
1015			SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
1016		[CONTROL_MIC_CAPTURE_SWITCH] = "Mic Capture Switch",
1017		[CONTROL_LINE_CAPTURE_SWITCH] = "Line Capture Switch",
1018		[CONTROL_CD_CAPTURE_SWITCH] = "CD Capture Switch",
1019		[CONTROL_AUX_CAPTURE_SWITCH] = "Aux Capture Switch",
1020	};
1021	unsigned int i;
1022	struct snd_kcontrol_new template;
1023	struct snd_kcontrol *ctl;
1024	int j, err;
1025
1026	for (i = 0; i < count; ++i) {
1027		template = controls[i];
1028		if (chip->model.control_filter) {
1029			err = chip->model.control_filter(&template);
1030			if (err < 0)
1031				return err;
1032			if (err == 1)
1033				continue;
1034		}
1035		if (!strcmp(template.name, "Stereo Upmixing") &&
1036		    chip->model.dac_channels_pcm == 2)
1037			continue;
1038		if (!strcmp(template.name, "Mic Source Capture Enum") &&
1039		    !(chip->model.device_config & AC97_FMIC_SWITCH))
1040			continue;
1041		if (!strncmp(template.name, "CD Capture ", 11) &&
1042		    !(chip->model.device_config & AC97_CD_INPUT))
1043			continue;
1044		if (!strcmp(template.name, "Master Playback Volume") &&
1045		    chip->model.dac_tlv) {
1046			template.tlv.p = chip->model.dac_tlv;
1047			template.access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1048		}
1049		ctl = snd_ctl_new1(&template, chip);
1050		if (!ctl)
1051			return -ENOMEM;
1052		err = snd_ctl_add(chip->card, ctl);
1053		if (err < 0)
1054			return err;
1055		j = match_string(known_ctl_names, CONTROL_COUNT, ctl->id.name);
1056		if (j >= 0) {
1057			chip->controls[j] = ctl;
1058			ctl->private_free = oxygen_any_ctl_free;
1059		}
1060	}
1061	return 0;
1062}
1063
1064int oxygen_mixer_init(struct oxygen *chip)
1065{
1066	unsigned int i;
1067	int err;
1068
1069	err = add_controls(chip, controls, ARRAY_SIZE(controls));
1070	if (err < 0)
1071		return err;
1072	if (chip->model.device_config & PLAYBACK_1_TO_SPDIF) {
1073		err = add_controls(chip, spdif_output_controls,
1074				   ARRAY_SIZE(spdif_output_controls));
1075		if (err < 0)
1076			return err;
1077	}
1078	if (chip->model.device_config & CAPTURE_1_FROM_SPDIF) {
1079		err = add_controls(chip, spdif_input_controls,
1080				   ARRAY_SIZE(spdif_input_controls));
1081		if (err < 0)
1082			return err;
1083	}
1084	for (i = 0; i < ARRAY_SIZE(monitor_controls); ++i) {
1085		if (!(chip->model.device_config & monitor_controls[i].pcm_dev))
1086			continue;
1087		err = add_controls(chip, monitor_controls[i].controls,
1088				   ARRAY_SIZE(monitor_controls[i].controls));
1089		if (err < 0)
1090			return err;
1091	}
1092	if (chip->has_ac97_0) {
1093		err = add_controls(chip, ac97_controls,
1094				   ARRAY_SIZE(ac97_controls));
1095		if (err < 0)
1096			return err;
1097	}
1098	if (chip->has_ac97_1) {
1099		err = add_controls(chip, ac97_fp_controls,
1100				   ARRAY_SIZE(ac97_fp_controls));
1101		if (err < 0)
1102			return err;
1103	}
1104	return chip->model.mixer_init ? chip->model.mixer_init(chip) : 0;
1105}