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authorTakashi Iwai <tiwai@suse.de>2006-06-27 11:49:12 -0400
committerJaroslav Kysela <perex@suse.cz>2006-06-28 13:31:09 -0400
commitcb9d24e4349013628259b5fee97e692173731b07 (patch)
treed936251fa32f7cbf853a78a3df72cd06a099f24e /sound
parentcf1756e9cd7c1d160fe72944af51d87e96285a32 (diff)
[ALSA] ak4xxx-adda - Code clean-up
Fix spaces, fold lines to fit 80 columns in ak4xxx-adda driver codes. Split a long reset function to each codec routine just for better readability. Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
Diffstat (limited to 'sound')
-rw-r--r--sound/i2c/other/ak4xxx-adda.c203
1 files changed, 138 insertions, 65 deletions
diff --git a/sound/i2c/other/ak4xxx-adda.c b/sound/i2c/other/ak4xxx-adda.c
index f68bd740e1a1..dc7cc2001b74 100644
--- a/sound/i2c/other/ak4xxx-adda.c
+++ b/sound/i2c/other/ak4xxx-adda.c
@@ -34,7 +34,8 @@ MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>, Takashi Iwai <tiwai@suse.de>");
34MODULE_DESCRIPTION("Routines for control of AK452x / AK43xx AD/DA converters"); 34MODULE_DESCRIPTION("Routines for control of AK452x / AK43xx AD/DA converters");
35MODULE_LICENSE("GPL"); 35MODULE_LICENSE("GPL");
36 36
37void snd_akm4xxx_write(struct snd_akm4xxx *ak, int chip, unsigned char reg, unsigned char val) 37void snd_akm4xxx_write(struct snd_akm4xxx *ak, int chip, unsigned char reg,
38 unsigned char val)
38{ 39{
39 ak->ops.lock(ak, chip); 40 ak->ops.lock(ak, chip);
40 ak->ops.write(ak, chip, reg, val); 41 ak->ops.write(ak, chip, reg, val);
@@ -52,6 +53,67 @@ void snd_akm4xxx_write(struct snd_akm4xxx *ak, int chip, unsigned char reg, unsi
52 ak->ops.unlock(ak, chip); 53 ak->ops.unlock(ak, chip);
53} 54}
54 55
56EXPORT_SYMBOL(snd_akm4xxx_write);
57
58/* reset procedure for AK4524 and AK4528 */
59static void ak4524_reset(struct snd_akm4xxx *ak, int state)
60{
61 unsigned int chip;
62 unsigned char reg, maxreg;
63
64 if (ak->type == SND_AK4528)
65 maxreg = 0x06;
66 else
67 maxreg = 0x08;
68 for (chip = 0; chip < ak->num_dacs/2; chip++) {
69 snd_akm4xxx_write(ak, chip, 0x01, state ? 0x00 : 0x03);
70 if (state)
71 continue;
72 /* DAC volumes */
73 for (reg = 0x04; reg < maxreg; reg++)
74 snd_akm4xxx_write(ak, chip, reg,
75 snd_akm4xxx_get(ak, chip, reg));
76 if (ak->type == SND_AK4528)
77 continue;
78 /* IPGA */
79 for (reg = 0x04; reg < 0x06; reg++)
80 snd_akm4xxx_write(ak, chip, reg,
81 snd_akm4xxx_get_ipga(ak, chip, reg));
82 }
83}
84
85/* reset procedure for AK4355 and AK4358 */
86static void ak4355_reset(struct snd_akm4xxx *ak, int state)
87{
88 unsigned char reg;
89
90 if (state) {
91 snd_akm4xxx_write(ak, 0, 0x01, 0x02); /* reset and soft-mute */
92 return;
93 }
94 for (reg = 0x00; reg < 0x0b; reg++)
95 if (reg != 0x01)
96 snd_akm4xxx_write(ak, 0, reg,
97 snd_akm4xxx_get(ak, 0, reg));
98 snd_akm4xxx_write(ak, 0, 0x01, 0x01); /* un-reset, unmute */
99}
100
101/* reset procedure for AK4381 */
102static void ak4381_reset(struct snd_akm4xxx *ak, int state)
103{
104 unsigned int chip;
105 unsigned char reg;
106
107 for (chip = 0; chip < ak->num_dacs/2; chip++) {
108 snd_akm4xxx_write(ak, chip, 0x00, state ? 0x0c : 0x0f);
109 if (state)
110 continue;
111 for (reg = 0x01; reg < 0x05; reg++)
112 snd_akm4xxx_write(ak, chip, reg,
113 snd_akm4xxx_get(ak, chip, reg));
114 }
115}
116
55/* 117/*
56 * reset the AKM codecs 118 * reset the AKM codecs
57 * @state: 1 = reset codec, 0 = restore the registers 119 * @state: 1 = reset codec, 0 = restore the registers
@@ -60,52 +122,26 @@ void snd_akm4xxx_write(struct snd_akm4xxx *ak, int chip, unsigned char reg, unsi
60 */ 122 */
61void snd_akm4xxx_reset(struct snd_akm4xxx *ak, int state) 123void snd_akm4xxx_reset(struct snd_akm4xxx *ak, int state)
62{ 124{
63 unsigned int chip;
64 unsigned char reg;
65
66 switch (ak->type) { 125 switch (ak->type) {
67 case SND_AK4524: 126 case SND_AK4524:
68 case SND_AK4528: 127 case SND_AK4528:
69 for (chip = 0; chip < ak->num_dacs/2; chip++) { 128 ak4524_reset(ak, state);
70 snd_akm4xxx_write(ak, chip, 0x01, state ? 0x00 : 0x03);
71 if (state)
72 continue;
73 /* DAC volumes */
74 for (reg = 0x04; reg < (ak->type == SND_AK4528 ? 0x06 : 0x08); reg++)
75 snd_akm4xxx_write(ak, chip, reg, snd_akm4xxx_get(ak, chip, reg));
76 if (ak->type == SND_AK4528)
77 continue;
78 /* IPGA */
79 for (reg = 0x04; reg < 0x06; reg++)
80 snd_akm4xxx_write(ak, chip, reg, snd_akm4xxx_get_ipga(ak, chip, reg));
81 }
82 break; 129 break;
83 case SND_AK4529: 130 case SND_AK4529:
84 /* FIXME: needed for ak4529? */ 131 /* FIXME: needed for ak4529? */
85 break; 132 break;
86 case SND_AK4355: 133 case SND_AK4355:
87 case SND_AK4358: 134 case SND_AK4358:
88 if (state) { 135 ak4355_reset(ak, state);
89 snd_akm4xxx_write(ak, 0, 0x01, 0x02); /* reset and soft-mute */
90 return;
91 }
92 for (reg = 0x00; reg < 0x0b; reg++)
93 if (reg != 0x01)
94 snd_akm4xxx_write(ak, 0, reg, snd_akm4xxx_get(ak, 0, reg));
95 snd_akm4xxx_write(ak, 0, 0x01, 0x01); /* un-reset, unmute */
96 break; 136 break;
97 case SND_AK4381: 137 case SND_AK4381:
98 for (chip = 0; chip < ak->num_dacs/2; chip++) { 138 ak4381_reset(ak, state);
99 snd_akm4xxx_write(ak, chip, 0x00, state ? 0x0c : 0x0f);
100 if (state)
101 continue;
102 for (reg = 0x01; reg < 0x05; reg++)
103 snd_akm4xxx_write(ak, chip, reg, snd_akm4xxx_get(ak, chip, reg));
104 }
105 break; 139 break;
106 } 140 }
107} 141}
108 142
143EXPORT_SYMBOL(snd_akm4xxx_reset);
144
109/* 145/*
110 * initialize all the ak4xxx chips 146 * initialize all the ak4xxx chips
111 */ 147 */
@@ -153,7 +189,8 @@ void snd_akm4xxx_init(struct snd_akm4xxx *ak)
153 }; 189 };
154 static unsigned char inits_ak4355[] = { 190 static unsigned char inits_ak4355[] = {
155 0x01, 0x02, /* 1: reset and soft-mute */ 191 0x01, 0x02, /* 1: reset and soft-mute */
156 0x00, 0x06, /* 0: mode3(i2s), disable auto-clock detect, disable DZF, sharp roll-off, RSTN#=0 */ 192 0x00, 0x06, /* 0: mode3(i2s), disable auto-clock detect,
193 * disable DZF, sharp roll-off, RSTN#=0 */
157 0x02, 0x0e, /* 2: DA's power up, normal speed, RSTN#=0 */ 194 0x02, 0x0e, /* 2: DA's power up, normal speed, RSTN#=0 */
158 // 0x02, 0x2e, /* quad speed */ 195 // 0x02, 0x2e, /* quad speed */
159 0x03, 0x01, /* 3: de-emphasis off */ 196 0x03, 0x01, /* 3: de-emphasis off */
@@ -169,7 +206,8 @@ void snd_akm4xxx_init(struct snd_akm4xxx *ak)
169 }; 206 };
170 static unsigned char inits_ak4358[] = { 207 static unsigned char inits_ak4358[] = {
171 0x01, 0x02, /* 1: reset and soft-mute */ 208 0x01, 0x02, /* 1: reset and soft-mute */
172 0x00, 0x06, /* 0: mode3(i2s), disable auto-clock detect, disable DZF, sharp roll-off, RSTN#=0 */ 209 0x00, 0x06, /* 0: mode3(i2s), disable auto-clock detect,
210 * disable DZF, sharp roll-off, RSTN#=0 */
173 0x02, 0x0e, /* 2: DA's power up, normal speed, RSTN#=0 */ 211 0x02, 0x0e, /* 2: DA's power up, normal speed, RSTN#=0 */
174 // 0x02, 0x2e, /* quad speed */ 212 // 0x02, 0x2e, /* quad speed */
175 0x03, 0x01, /* 3: de-emphasis off */ 213 0x03, 0x01, /* 3: de-emphasis off */
@@ -187,7 +225,8 @@ void snd_akm4xxx_init(struct snd_akm4xxx *ak)
187 }; 225 };
188 static unsigned char inits_ak4381[] = { 226 static unsigned char inits_ak4381[] = {
189 0x00, 0x0c, /* 0: mode3(i2s), disable auto-clock detect */ 227 0x00, 0x0c, /* 0: mode3(i2s), disable auto-clock detect */
190 0x01, 0x02, /* 1: de-emphasis off, normal speed, sharp roll-off, DZF off */ 228 0x01, 0x02, /* 1: de-emphasis off, normal speed,
229 * sharp roll-off, DZF off */
191 // 0x01, 0x12, /* quad speed */ 230 // 0x01, 0x12, /* quad speed */
192 0x02, 0x00, /* 2: DZF disabled */ 231 0x02, 0x00, /* 2: DZF disabled */
193 0x03, 0x00, /* 3: LATT 0 */ 232 0x03, 0x00, /* 3: LATT 0 */
@@ -239,12 +278,15 @@ void snd_akm4xxx_init(struct snd_akm4xxx *ak)
239 } 278 }
240} 279}
241 280
281EXPORT_SYMBOL(snd_akm4xxx_init);
282
242#define AK_GET_CHIP(val) (((val) >> 8) & 0xff) 283#define AK_GET_CHIP(val) (((val) >> 8) & 0xff)
243#define AK_GET_ADDR(val) ((val) & 0xff) 284#define AK_GET_ADDR(val) ((val) & 0xff)
244#define AK_GET_SHIFT(val) (((val) >> 16) & 0x7f) 285#define AK_GET_SHIFT(val) (((val) >> 16) & 0x7f)
245#define AK_GET_INVERT(val) (((val) >> 23) & 1) 286#define AK_GET_INVERT(val) (((val) >> 23) & 1)
246#define AK_GET_MASK(val) (((val) >> 24) & 0xff) 287#define AK_GET_MASK(val) (((val) >> 24) & 0xff)
247#define AK_COMPOSE(chip,addr,shift,mask) (((chip) << 8) | (addr) | ((shift) << 16) | ((mask) << 24)) 288#define AK_COMPOSE(chip,addr,shift,mask) \
289 (((chip) << 8) | (addr) | ((shift) << 16) | ((mask) << 24))
248#define AK_INVERT (1<<23) 290#define AK_INVERT (1<<23)
249 291
250static int snd_akm4xxx_volume_info(struct snd_kcontrol *kcontrol, 292static int snd_akm4xxx_volume_info(struct snd_kcontrol *kcontrol,
@@ -293,7 +335,7 @@ static int snd_akm4xxx_volume_put(struct snd_kcontrol *kcontrol,
293} 335}
294 336
295static int snd_akm4xxx_stereo_volume_info(struct snd_kcontrol *kcontrol, 337static int snd_akm4xxx_stereo_volume_info(struct snd_kcontrol *kcontrol,
296 struct snd_ctl_elem_info *uinfo) 338 struct snd_ctl_elem_info *uinfo)
297{ 339{
298 unsigned int mask = AK_GET_MASK(kcontrol->private_value); 340 unsigned int mask = AK_GET_MASK(kcontrol->private_value);
299 341
@@ -305,7 +347,7 @@ static int snd_akm4xxx_stereo_volume_info(struct snd_kcontrol *kcontrol,
305} 347}
306 348
307static int snd_akm4xxx_stereo_volume_get(struct snd_kcontrol *kcontrol, 349static int snd_akm4xxx_stereo_volume_get(struct snd_kcontrol *kcontrol,
308 struct snd_ctl_elem_value *ucontrol) 350 struct snd_ctl_elem_value *ucontrol)
309{ 351{
310 struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol); 352 struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
311 int chip = AK_GET_CHIP(kcontrol->private_value); 353 int chip = AK_GET_CHIP(kcontrol->private_value);
@@ -323,7 +365,7 @@ static int snd_akm4xxx_stereo_volume_get(struct snd_kcontrol *kcontrol,
323} 365}
324 366
325static int snd_akm4xxx_stereo_volume_put(struct snd_kcontrol *kcontrol, 367static int snd_akm4xxx_stereo_volume_put(struct snd_kcontrol *kcontrol,
326 struct snd_ctl_elem_value *ucontrol) 368 struct snd_ctl_elem_value *ucontrol)
327{ 369{
328 struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol); 370 struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
329 int chip = AK_GET_CHIP(kcontrol->private_value); 371 int chip = AK_GET_CHIP(kcontrol->private_value);
@@ -366,7 +408,8 @@ static int snd_akm4xxx_ipga_gain_get(struct snd_kcontrol *kcontrol,
366 struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol); 408 struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
367 int chip = AK_GET_CHIP(kcontrol->private_value); 409 int chip = AK_GET_CHIP(kcontrol->private_value);
368 int addr = AK_GET_ADDR(kcontrol->private_value); 410 int addr = AK_GET_ADDR(kcontrol->private_value);
369 ucontrol->value.integer.value[0] = snd_akm4xxx_get_ipga(ak, chip, addr) & 0x7f; 411 ucontrol->value.integer.value[0] =
412 snd_akm4xxx_get_ipga(ak, chip, addr) & 0x7f;
370 return 0; 413 return 0;
371} 414}
372 415
@@ -394,7 +437,8 @@ static int snd_akm4xxx_deemphasis_info(struct snd_kcontrol *kcontrol,
394 uinfo->value.enumerated.items = 4; 437 uinfo->value.enumerated.items = 4;
395 if (uinfo->value.enumerated.item >= 4) 438 if (uinfo->value.enumerated.item >= 4)
396 uinfo->value.enumerated.item = 3; 439 uinfo->value.enumerated.item = 3;
397 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); 440 strcpy(uinfo->value.enumerated.name,
441 texts[uinfo->value.enumerated.item]);
398 return 0; 442 return 0;
399} 443}
400 444
@@ -405,7 +449,8 @@ static int snd_akm4xxx_deemphasis_get(struct snd_kcontrol *kcontrol,
405 int chip = AK_GET_CHIP(kcontrol->private_value); 449 int chip = AK_GET_CHIP(kcontrol->private_value);
406 int addr = AK_GET_ADDR(kcontrol->private_value); 450 int addr = AK_GET_ADDR(kcontrol->private_value);
407 int shift = AK_GET_SHIFT(kcontrol->private_value); 451 int shift = AK_GET_SHIFT(kcontrol->private_value);
408 ucontrol->value.enumerated.item[0] = (snd_akm4xxx_get(ak, chip, addr) >> shift) & 3; 452 ucontrol->value.enumerated.item[0] =
453 (snd_akm4xxx_get(ak, chip, addr) >> shift) & 3;
409 return 0; 454 return 0;
410} 455}
411 456
@@ -419,7 +464,8 @@ static int snd_akm4xxx_deemphasis_put(struct snd_kcontrol *kcontrol,
419 unsigned char nval = ucontrol->value.enumerated.item[0] & 3; 464 unsigned char nval = ucontrol->value.enumerated.item[0] & 3;
420 int change; 465 int change;
421 466
422 nval = (nval << shift) | (snd_akm4xxx_get(ak, chip, addr) & ~(3 << shift)); 467 nval = (nval << shift) |
468 (snd_akm4xxx_get(ak, chip, addr) & ~(3 << shift));
423 change = snd_akm4xxx_get(ak, chip, addr) != nval; 469 change = snd_akm4xxx_get(ak, chip, addr) != nval;
424 if (change) 470 if (change)
425 snd_akm4xxx_write(ak, chip, addr, nval); 471 snd_akm4xxx_write(ak, chip, addr, nval);
@@ -451,7 +497,7 @@ int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak)
451 } else { 497 } else {
452 strcpy(ctl->id.name, ak->channel_names[mixer_ch]); 498 strcpy(ctl->id.name, ak->channel_names[mixer_ch]);
453 num_stereo = ak->num_stereo[mixer_ch]; 499 num_stereo = ak->num_stereo[mixer_ch];
454 ctl->id.index = 0; //mixer_ch + ak->idx_offset * 2; 500 ctl->id.index = 0;
455 } 501 }
456 ctl->id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 502 ctl->id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
457 ctl->count = 1; 503 ctl->count = 1;
@@ -466,27 +512,40 @@ int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak)
466 } 512 }
467 switch (ak->type) { 513 switch (ak->type) {
468 case SND_AK4524: 514 case SND_AK4524:
469 ctl->private_value = AK_COMPOSE(idx/2, (idx%2) + 6, 0, 127); /* register 6 & 7 */ 515 /* register 6 & 7 */
516 ctl->private_value =
517 AK_COMPOSE(idx/2, (idx%2) + 6, 0, 127);
470 break; 518 break;
471 case SND_AK4528: 519 case SND_AK4528:
472 ctl->private_value = AK_COMPOSE(idx/2, (idx%2) + 4, 0, 127); /* register 4 & 5 */ 520 /* register 4 & 5 */
521 ctl->private_value =
522 AK_COMPOSE(idx/2, (idx%2) + 4, 0, 127);
473 break; 523 break;
474 case SND_AK4529: { 524 case SND_AK4529: {
475 int val = idx < 6 ? idx + 2 : (idx - 6) + 0xb; /* registers 2-7 and b,c */ 525 /* registers 2-7 and b,c */
476 ctl->private_value = AK_COMPOSE(0, val, 0, 255) | AK_INVERT; 526 int val = idx < 6 ? idx + 2 : (idx - 6) + 0xb;
527 ctl->private_value =
528 AK_COMPOSE(0, val, 0, 255) | AK_INVERT;
477 break; 529 break;
478 } 530 }
479 case SND_AK4355: 531 case SND_AK4355:
480 ctl->private_value = AK_COMPOSE(0, idx + 4, 0, 255); /* register 4-9, chip #0 only */ 532 /* register 4-9, chip #0 only */
533 ctl->private_value = AK_COMPOSE(0, idx + 4, 0, 255);
481 break; 534 break;
482 case SND_AK4358: 535 case SND_AK4358:
483 if (idx >= 6) 536 if (idx >= 6)
484 ctl->private_value = AK_COMPOSE(0, idx + 5, 0, 255); /* register 4-9, chip #0 only */ 537 /* register 4-9, chip #0 only */
538 ctl->private_value =
539 AK_COMPOSE(0, idx + 5, 0, 255);
485 else 540 else
486 ctl->private_value = AK_COMPOSE(0, idx + 4, 0, 255); /* register 4-9, chip #0 only */ 541 /* register 4-9, chip #0 only */
542 ctl->private_value =
543 AK_COMPOSE(0, idx + 4, 0, 255);
487 break; 544 break;
488 case SND_AK4381: 545 case SND_AK4381:
489 ctl->private_value = AK_COMPOSE(idx/2, (idx%2) + 3, 0, 255); /* register 3 & 4 */ 546 /* register 3 & 4 */
547 ctl->private_value =
548 AK_COMPOSE(idx/2, (idx%2) + 3, 0, 255);
490 break; 549 break;
491 default: 550 default:
492 err = -EINVAL; 551 err = -EINVAL;
@@ -494,7 +553,10 @@ int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak)
494 } 553 }
495 554
496 ctl->private_data = ak; 555 ctl->private_data = ak;
497 if ((err = snd_ctl_add(ak->card, snd_ctl_new(ctl, SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE))) < 0) 556 err = snd_ctl_add(ak->card,
557 snd_ctl_new(ctl, SNDRV_CTL_ELEM_ACCESS_READ|
558 SNDRV_CTL_ELEM_ACCESS_WRITE));
559 if (err < 0)
498 goto __error; 560 goto __error;
499 561
500 idx += num_stereo; 562 idx += num_stereo;
@@ -509,9 +571,14 @@ int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak)
509 ctl->info = snd_akm4xxx_volume_info; 571 ctl->info = snd_akm4xxx_volume_info;
510 ctl->get = snd_akm4xxx_volume_get; 572 ctl->get = snd_akm4xxx_volume_get;
511 ctl->put = snd_akm4xxx_volume_put; 573 ctl->put = snd_akm4xxx_volume_put;
512 ctl->private_value = AK_COMPOSE(idx/2, (idx%2) + 4, 0, 127); /* register 4 & 5 */ 574 /* register 4 & 5 */
575 ctl->private_value =
576 AK_COMPOSE(idx/2, (idx%2) + 4, 0, 127);
513 ctl->private_data = ak; 577 ctl->private_data = ak;
514 if ((err = snd_ctl_add(ak->card, snd_ctl_new(ctl, SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE))) < 0) 578 err = snd_ctl_add(ak->card,
579 snd_ctl_new(ctl, SNDRV_CTL_ELEM_ACCESS_READ|
580 SNDRV_CTL_ELEM_ACCESS_WRITE));
581 if (err < 0)
515 goto __error; 582 goto __error;
516 583
517 memset(ctl, 0, sizeof(*ctl)); 584 memset(ctl, 0, sizeof(*ctl));
@@ -522,9 +589,13 @@ int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak)
522 ctl->info = snd_akm4xxx_ipga_gain_info; 589 ctl->info = snd_akm4xxx_ipga_gain_info;
523 ctl->get = snd_akm4xxx_ipga_gain_get; 590 ctl->get = snd_akm4xxx_ipga_gain_get;
524 ctl->put = snd_akm4xxx_ipga_gain_put; 591 ctl->put = snd_akm4xxx_ipga_gain_put;
525 ctl->private_value = AK_COMPOSE(idx/2, (idx%2) + 4, 0, 0); /* register 4 & 5 */ 592 /* register 4 & 5 */
593 ctl->private_value = AK_COMPOSE(idx/2, (idx%2) + 4, 0, 0);
526 ctl->private_data = ak; 594 ctl->private_data = ak;
527 if ((err = snd_ctl_add(ak->card, snd_ctl_new(ctl, SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE))) < 0) 595 err = snd_ctl_add(ak->card,
596 snd_ctl_new(ctl, SNDRV_CTL_ELEM_ACCESS_READ|
597 SNDRV_CTL_ELEM_ACCESS_WRITE));
598 if (err < 0)
528 goto __error; 599 goto __error;
529 } 600 }
530 if (ak->type == SND_AK4355 || ak->type == SND_AK4358) 601 if (ak->type == SND_AK4355 || ak->type == SND_AK4358)
@@ -543,11 +614,13 @@ int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak)
543 switch (ak->type) { 614 switch (ak->type) {
544 case SND_AK4524: 615 case SND_AK4524:
545 case SND_AK4528: 616 case SND_AK4528:
546 ctl->private_value = AK_COMPOSE(idx, 3, 0, 0); /* register 3 */ 617 /* register 3 */
618 ctl->private_value = AK_COMPOSE(idx, 3, 0, 0);
547 break; 619 break;
548 case SND_AK4529: { 620 case SND_AK4529: {
549 int shift = idx == 3 ? 6 : (2 - idx) * 2; 621 int shift = idx == 3 ? 6 : (2 - idx) * 2;
550 ctl->private_value = AK_COMPOSE(0, 8, shift, 0); /* register 8 with shift */ 622 /* register 8 with shift */
623 ctl->private_value = AK_COMPOSE(0, 8, shift, 0);
551 break; 624 break;
552 } 625 }
553 case SND_AK4355: 626 case SND_AK4355:
@@ -559,7 +632,10 @@ int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak)
559 break; 632 break;
560 } 633 }
561 ctl->private_data = ak; 634 ctl->private_data = ak;
562 if ((err = snd_ctl_add(ak->card, snd_ctl_new(ctl, SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE))) < 0) 635 err = snd_ctl_add(ak->card,
636 snd_ctl_new(ctl, SNDRV_CTL_ELEM_ACCESS_READ|
637 SNDRV_CTL_ELEM_ACCESS_WRITE));
638 if (err < 0)
563 goto __error; 639 goto __error;
564 } 640 }
565 err = 0; 641 err = 0;
@@ -569,6 +645,8 @@ int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak)
569 return err; 645 return err;
570} 646}
571 647
648EXPORT_SYMBOL(snd_akm4xxx_build_controls);
649
572static int __init alsa_akm4xxx_module_init(void) 650static int __init alsa_akm4xxx_module_init(void)
573{ 651{
574 return 0; 652 return 0;
@@ -580,8 +658,3 @@ static void __exit alsa_akm4xxx_module_exit(void)
580 658
581module_init(alsa_akm4xxx_module_init) 659module_init(alsa_akm4xxx_module_init)
582module_exit(alsa_akm4xxx_module_exit) 660module_exit(alsa_akm4xxx_module_exit)
583
584EXPORT_SYMBOL(snd_akm4xxx_write);
585EXPORT_SYMBOL(snd_akm4xxx_reset);
586EXPORT_SYMBOL(snd_akm4xxx_init);
587EXPORT_SYMBOL(snd_akm4xxx_build_controls);