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1da177e4 LT |
1 | /* |
2 | * Copyright (c) 2004 James Courtier-Dutton <James@superbug.demon.co.uk> | |
3 | * Driver CA0106 chips. e.g. Sound Blaster Audigy LS and Live 24bit | |
7199acdc | 4 | * Version: 0.0.18 |
1da177e4 LT |
5 | * |
6 | * FEATURES currently supported: | |
7 | * See ca0106_main.c for features. | |
8 | * | |
9 | * Changelog: | |
10 | * Support interrupts per period. | |
11 | * Removed noise from Center/LFE channel when in Analog mode. | |
12 | * Rename and remove mixer controls. | |
13 | * 0.0.6 | |
14 | * Use separate card based DMA buffer for periods table list. | |
15 | * 0.0.7 | |
16 | * Change remove and rename ctrls into lists. | |
17 | * 0.0.8 | |
18 | * Try to fix capture sources. | |
19 | * 0.0.9 | |
20 | * Fix AC3 output. | |
21 | * Enable S32_LE format support. | |
22 | * 0.0.10 | |
23 | * Enable playback 48000 and 96000 rates. (Rates other that these do not work, even with "plug:front".) | |
24 | * 0.0.11 | |
25 | * Add Model name recognition. | |
26 | * 0.0.12 | |
27 | * Correct interrupt timing. interrupt at end of period, instead of in the middle of a playback period. | |
28 | * Remove redundent "voice" handling. | |
29 | * 0.0.13 | |
30 | * Single trigger call for multi channels. | |
31 | * 0.0.14 | |
32 | * Set limits based on what the sound card hardware can do. | |
33 | * playback periods_min=2, periods_max=8 | |
34 | * capture hw constraints require period_size = n * 64 bytes. | |
35 | * playback hw constraints require period_size = n * 64 bytes. | |
36 | * 0.0.15 | |
37 | * Separate ca0106.c into separate functional .c files. | |
38 | * 0.0.16 | |
39 | * Modified Copyright message. | |
40 | * 0.0.17 | |
41 | * Add iec958 file in proc file system to show status of SPDIF in. | |
7199acdc JCD |
42 | * 0.0.18 |
43 | * Implement support for Line-in capture on SB Live 24bit. | |
44 | * | |
1da177e4 LT |
45 | * This code was initally based on code from ALSA's emu10k1x.c which is: |
46 | * Copyright (c) by Francisco Moraes <fmoraes@nc.rr.com> | |
47 | * | |
48 | * This program is free software; you can redistribute it and/or modify | |
49 | * it under the terms of the GNU General Public License as published by | |
50 | * the Free Software Foundation; either version 2 of the License, or | |
51 | * (at your option) any later version. | |
52 | * | |
53 | * This program is distributed in the hope that it will be useful, | |
54 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
55 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
56 | * GNU General Public License for more details. | |
57 | * | |
58 | * You should have received a copy of the GNU General Public License | |
59 | * along with this program; if not, write to the Free Software | |
60 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
61 | * | |
62 | */ | |
63 | #include <sound/driver.h> | |
64 | #include <linux/delay.h> | |
65 | #include <linux/init.h> | |
66 | #include <linux/interrupt.h> | |
67 | #include <linux/pci.h> | |
68 | #include <linux/slab.h> | |
69 | #include <linux/moduleparam.h> | |
70 | #include <sound/core.h> | |
71 | #include <sound/initval.h> | |
72 | #include <sound/pcm.h> | |
73 | #include <sound/ac97_codec.h> | |
74 | #include <sound/info.h> | |
75 | #include <sound/asoundef.h> | |
76 | ||
77 | #include "ca0106.h" | |
78 | ||
79 | ||
adf1b3d2 TI |
80 | #ifdef CONFIG_PROC_FS |
81 | ||
1da177e4 LT |
82 | struct snd_ca0106_category_str { |
83 | int val; | |
84 | const char *name; | |
85 | }; | |
86 | ||
87 | static struct snd_ca0106_category_str snd_ca0106_con_category[] = { | |
88 | { IEC958_AES1_CON_DAT, "DAT" }, | |
89 | { IEC958_AES1_CON_VCR, "VCR" }, | |
90 | { IEC958_AES1_CON_MICROPHONE, "microphone" }, | |
91 | { IEC958_AES1_CON_SYNTHESIZER, "synthesizer" }, | |
92 | { IEC958_AES1_CON_RATE_CONVERTER, "rate converter" }, | |
93 | { IEC958_AES1_CON_MIXER, "mixer" }, | |
94 | { IEC958_AES1_CON_SAMPLER, "sampler" }, | |
95 | { IEC958_AES1_CON_PCM_CODER, "PCM coder" }, | |
96 | { IEC958_AES1_CON_IEC908_CD, "CD" }, | |
97 | { IEC958_AES1_CON_NON_IEC908_CD, "non-IEC908 CD" }, | |
98 | { IEC958_AES1_CON_GENERAL, "general" }, | |
99 | }; | |
100 | ||
101 | ||
e4a3d145 | 102 | static void snd_ca0106_proc_dump_iec958( struct snd_info_buffer *buffer, u32 value) |
1da177e4 LT |
103 | { |
104 | int i; | |
105 | u32 status[4]; | |
106 | status[0] = value & 0xff; | |
107 | status[1] = (value >> 8) & 0xff; | |
108 | status[2] = (value >> 16) & 0xff; | |
109 | status[3] = (value >> 24) & 0xff; | |
110 | ||
111 | if (! (status[0] & IEC958_AES0_PROFESSIONAL)) { | |
112 | /* consumer */ | |
113 | snd_iprintf(buffer, "Mode: consumer\n"); | |
114 | snd_iprintf(buffer, "Data: "); | |
115 | if (!(status[0] & IEC958_AES0_NONAUDIO)) { | |
116 | snd_iprintf(buffer, "audio\n"); | |
117 | } else { | |
118 | snd_iprintf(buffer, "non-audio\n"); | |
119 | } | |
120 | snd_iprintf(buffer, "Rate: "); | |
121 | switch (status[3] & IEC958_AES3_CON_FS) { | |
122 | case IEC958_AES3_CON_FS_44100: | |
123 | snd_iprintf(buffer, "44100 Hz\n"); | |
124 | break; | |
125 | case IEC958_AES3_CON_FS_48000: | |
126 | snd_iprintf(buffer, "48000 Hz\n"); | |
127 | break; | |
128 | case IEC958_AES3_CON_FS_32000: | |
129 | snd_iprintf(buffer, "32000 Hz\n"); | |
130 | break; | |
131 | default: | |
132 | snd_iprintf(buffer, "unknown\n"); | |
133 | break; | |
134 | } | |
135 | snd_iprintf(buffer, "Copyright: "); | |
136 | if (status[0] & IEC958_AES0_CON_NOT_COPYRIGHT) { | |
137 | snd_iprintf(buffer, "permitted\n"); | |
138 | } else { | |
139 | snd_iprintf(buffer, "protected\n"); | |
140 | } | |
141 | snd_iprintf(buffer, "Emphasis: "); | |
142 | if ((status[0] & IEC958_AES0_CON_EMPHASIS) != IEC958_AES0_CON_EMPHASIS_5015) { | |
143 | snd_iprintf(buffer, "none\n"); | |
144 | } else { | |
145 | snd_iprintf(buffer, "50/15us\n"); | |
146 | } | |
147 | snd_iprintf(buffer, "Category: "); | |
148 | for (i = 0; i < ARRAY_SIZE(snd_ca0106_con_category); i++) { | |
149 | if ((status[1] & IEC958_AES1_CON_CATEGORY) == snd_ca0106_con_category[i].val) { | |
150 | snd_iprintf(buffer, "%s\n", snd_ca0106_con_category[i].name); | |
151 | break; | |
152 | } | |
153 | } | |
154 | if (i >= ARRAY_SIZE(snd_ca0106_con_category)) { | |
155 | snd_iprintf(buffer, "unknown 0x%x\n", status[1] & IEC958_AES1_CON_CATEGORY); | |
156 | } | |
157 | snd_iprintf(buffer, "Original: "); | |
158 | if (status[1] & IEC958_AES1_CON_ORIGINAL) { | |
159 | snd_iprintf(buffer, "original\n"); | |
160 | } else { | |
161 | snd_iprintf(buffer, "1st generation\n"); | |
162 | } | |
163 | snd_iprintf(buffer, "Clock: "); | |
164 | switch (status[3] & IEC958_AES3_CON_CLOCK) { | |
165 | case IEC958_AES3_CON_CLOCK_1000PPM: | |
166 | snd_iprintf(buffer, "1000 ppm\n"); | |
167 | break; | |
168 | case IEC958_AES3_CON_CLOCK_50PPM: | |
169 | snd_iprintf(buffer, "50 ppm\n"); | |
170 | break; | |
171 | case IEC958_AES3_CON_CLOCK_VARIABLE: | |
172 | snd_iprintf(buffer, "variable pitch\n"); | |
173 | break; | |
174 | default: | |
175 | snd_iprintf(buffer, "unknown\n"); | |
176 | break; | |
177 | } | |
178 | } else { | |
179 | snd_iprintf(buffer, "Mode: professional\n"); | |
180 | snd_iprintf(buffer, "Data: "); | |
181 | if (!(status[0] & IEC958_AES0_NONAUDIO)) { | |
182 | snd_iprintf(buffer, "audio\n"); | |
183 | } else { | |
184 | snd_iprintf(buffer, "non-audio\n"); | |
185 | } | |
186 | snd_iprintf(buffer, "Rate: "); | |
187 | switch (status[0] & IEC958_AES0_PRO_FS) { | |
188 | case IEC958_AES0_PRO_FS_44100: | |
189 | snd_iprintf(buffer, "44100 Hz\n"); | |
190 | break; | |
191 | case IEC958_AES0_PRO_FS_48000: | |
192 | snd_iprintf(buffer, "48000 Hz\n"); | |
193 | break; | |
194 | case IEC958_AES0_PRO_FS_32000: | |
195 | snd_iprintf(buffer, "32000 Hz\n"); | |
196 | break; | |
197 | default: | |
198 | snd_iprintf(buffer, "unknown\n"); | |
199 | break; | |
200 | } | |
201 | snd_iprintf(buffer, "Rate Locked: "); | |
202 | if (status[0] & IEC958_AES0_PRO_FREQ_UNLOCKED) | |
203 | snd_iprintf(buffer, "no\n"); | |
204 | else | |
205 | snd_iprintf(buffer, "yes\n"); | |
206 | snd_iprintf(buffer, "Emphasis: "); | |
207 | switch (status[0] & IEC958_AES0_PRO_EMPHASIS) { | |
208 | case IEC958_AES0_PRO_EMPHASIS_CCITT: | |
209 | snd_iprintf(buffer, "CCITT J.17\n"); | |
210 | break; | |
211 | case IEC958_AES0_PRO_EMPHASIS_NONE: | |
212 | snd_iprintf(buffer, "none\n"); | |
213 | break; | |
214 | case IEC958_AES0_PRO_EMPHASIS_5015: | |
215 | snd_iprintf(buffer, "50/15us\n"); | |
216 | break; | |
217 | case IEC958_AES0_PRO_EMPHASIS_NOTID: | |
218 | default: | |
219 | snd_iprintf(buffer, "unknown\n"); | |
220 | break; | |
221 | } | |
222 | snd_iprintf(buffer, "Stereophonic: "); | |
223 | if ((status[1] & IEC958_AES1_PRO_MODE) == IEC958_AES1_PRO_MODE_STEREOPHONIC) { | |
224 | snd_iprintf(buffer, "stereo\n"); | |
225 | } else { | |
226 | snd_iprintf(buffer, "not indicated\n"); | |
227 | } | |
228 | snd_iprintf(buffer, "Userbits: "); | |
229 | switch (status[1] & IEC958_AES1_PRO_USERBITS) { | |
230 | case IEC958_AES1_PRO_USERBITS_192: | |
231 | snd_iprintf(buffer, "192bit\n"); | |
232 | break; | |
233 | case IEC958_AES1_PRO_USERBITS_UDEF: | |
234 | snd_iprintf(buffer, "user-defined\n"); | |
235 | break; | |
236 | default: | |
237 | snd_iprintf(buffer, "unkown\n"); | |
238 | break; | |
239 | } | |
240 | snd_iprintf(buffer, "Sample Bits: "); | |
241 | switch (status[2] & IEC958_AES2_PRO_SBITS) { | |
242 | case IEC958_AES2_PRO_SBITS_20: | |
243 | snd_iprintf(buffer, "20 bit\n"); | |
244 | break; | |
245 | case IEC958_AES2_PRO_SBITS_24: | |
246 | snd_iprintf(buffer, "24 bit\n"); | |
247 | break; | |
248 | case IEC958_AES2_PRO_SBITS_UDEF: | |
249 | snd_iprintf(buffer, "user defined\n"); | |
250 | break; | |
251 | default: | |
252 | snd_iprintf(buffer, "unknown\n"); | |
253 | break; | |
254 | } | |
255 | snd_iprintf(buffer, "Word Length: "); | |
256 | switch (status[2] & IEC958_AES2_PRO_WORDLEN) { | |
257 | case IEC958_AES2_PRO_WORDLEN_22_18: | |
258 | snd_iprintf(buffer, "22 bit or 18 bit\n"); | |
259 | break; | |
260 | case IEC958_AES2_PRO_WORDLEN_23_19: | |
261 | snd_iprintf(buffer, "23 bit or 19 bit\n"); | |
262 | break; | |
263 | case IEC958_AES2_PRO_WORDLEN_24_20: | |
264 | snd_iprintf(buffer, "24 bit or 20 bit\n"); | |
265 | break; | |
266 | case IEC958_AES2_PRO_WORDLEN_20_16: | |
267 | snd_iprintf(buffer, "20 bit or 16 bit\n"); | |
268 | break; | |
269 | default: | |
270 | snd_iprintf(buffer, "unknown\n"); | |
271 | break; | |
272 | } | |
273 | } | |
274 | } | |
275 | ||
e4a3d145 TI |
276 | static void snd_ca0106_proc_iec958(struct snd_info_entry *entry, |
277 | struct snd_info_buffer *buffer) | |
1da177e4 | 278 | { |
e4a3d145 | 279 | struct snd_ca0106 *emu = entry->private_data; |
1da177e4 LT |
280 | u32 value; |
281 | ||
282 | value = snd_ca0106_ptr_read(emu, SAMPLE_RATE_TRACKER_STATUS, 0); | |
283 | snd_iprintf(buffer, "Status: %s, %s, %s\n", | |
284 | (value & 0x100000) ? "Rate Locked" : "Not Rate Locked", | |
285 | (value & 0x200000) ? "SPDIF Locked" : "No SPDIF Lock", | |
286 | (value & 0x400000) ? "Audio Valid" : "No valid audio" ); | |
287 | snd_iprintf(buffer, "Estimated sample rate: %u\n", | |
288 | ((value & 0xfffff) * 48000) / 0x8000 ); | |
289 | if (value & 0x200000) { | |
290 | snd_iprintf(buffer, "IEC958/SPDIF input status:\n"); | |
291 | value = snd_ca0106_ptr_read(emu, SPDIF_INPUT_STATUS, 0); | |
292 | snd_ca0106_proc_dump_iec958(buffer, value); | |
293 | } | |
294 | ||
295 | snd_iprintf(buffer, "\n"); | |
296 | } | |
297 | ||
e4a3d145 TI |
298 | static void snd_ca0106_proc_reg_write32(struct snd_info_entry *entry, |
299 | struct snd_info_buffer *buffer) | |
1da177e4 | 300 | { |
e4a3d145 | 301 | struct snd_ca0106 *emu = entry->private_data; |
1da177e4 LT |
302 | unsigned long flags; |
303 | char line[64]; | |
304 | u32 reg, val; | |
305 | while (!snd_info_get_line(buffer, line, sizeof(line))) { | |
306 | if (sscanf(line, "%x %x", ®, &val) != 2) | |
307 | continue; | |
308 | if ((reg < 0x40) && (reg >=0) && (val <= 0xffffffff) ) { | |
309 | spin_lock_irqsave(&emu->emu_lock, flags); | |
310 | outl(val, emu->port + (reg & 0xfffffffc)); | |
311 | spin_unlock_irqrestore(&emu->emu_lock, flags); | |
312 | } | |
313 | } | |
314 | } | |
315 | ||
e4a3d145 TI |
316 | static void snd_ca0106_proc_reg_read32(struct snd_info_entry *entry, |
317 | struct snd_info_buffer *buffer) | |
1da177e4 | 318 | { |
e4a3d145 | 319 | struct snd_ca0106 *emu = entry->private_data; |
1da177e4 LT |
320 | unsigned long value; |
321 | unsigned long flags; | |
322 | int i; | |
323 | snd_iprintf(buffer, "Registers:\n\n"); | |
324 | for(i = 0; i < 0x20; i+=4) { | |
325 | spin_lock_irqsave(&emu->emu_lock, flags); | |
326 | value = inl(emu->port + i); | |
327 | spin_unlock_irqrestore(&emu->emu_lock, flags); | |
328 | snd_iprintf(buffer, "Register %02X: %08lX\n", i, value); | |
329 | } | |
330 | } | |
331 | ||
e4a3d145 TI |
332 | static void snd_ca0106_proc_reg_read16(struct snd_info_entry *entry, |
333 | struct snd_info_buffer *buffer) | |
1da177e4 | 334 | { |
e4a3d145 | 335 | struct snd_ca0106 *emu = entry->private_data; |
1da177e4 LT |
336 | unsigned int value; |
337 | unsigned long flags; | |
338 | int i; | |
339 | snd_iprintf(buffer, "Registers:\n\n"); | |
340 | for(i = 0; i < 0x20; i+=2) { | |
341 | spin_lock_irqsave(&emu->emu_lock, flags); | |
342 | value = inw(emu->port + i); | |
343 | spin_unlock_irqrestore(&emu->emu_lock, flags); | |
344 | snd_iprintf(buffer, "Register %02X: %04X\n", i, value); | |
345 | } | |
346 | } | |
347 | ||
e4a3d145 TI |
348 | static void snd_ca0106_proc_reg_read8(struct snd_info_entry *entry, |
349 | struct snd_info_buffer *buffer) | |
1da177e4 | 350 | { |
e4a3d145 | 351 | struct snd_ca0106 *emu = entry->private_data; |
1da177e4 LT |
352 | unsigned int value; |
353 | unsigned long flags; | |
354 | int i; | |
355 | snd_iprintf(buffer, "Registers:\n\n"); | |
356 | for(i = 0; i < 0x20; i+=1) { | |
357 | spin_lock_irqsave(&emu->emu_lock, flags); | |
358 | value = inb(emu->port + i); | |
359 | spin_unlock_irqrestore(&emu->emu_lock, flags); | |
360 | snd_iprintf(buffer, "Register %02X: %02X\n", i, value); | |
361 | } | |
362 | } | |
363 | ||
e4a3d145 TI |
364 | static void snd_ca0106_proc_reg_read1(struct snd_info_entry *entry, |
365 | struct snd_info_buffer *buffer) | |
1da177e4 | 366 | { |
e4a3d145 | 367 | struct snd_ca0106 *emu = entry->private_data; |
1da177e4 LT |
368 | unsigned long value; |
369 | int i,j; | |
370 | ||
371 | snd_iprintf(buffer, "Registers\n"); | |
372 | for(i = 0; i < 0x40; i++) { | |
373 | snd_iprintf(buffer, "%02X: ",i); | |
374 | for (j = 0; j < 4; j++) { | |
375 | value = snd_ca0106_ptr_read(emu, i, j); | |
376 | snd_iprintf(buffer, "%08lX ", value); | |
377 | } | |
378 | snd_iprintf(buffer, "\n"); | |
379 | } | |
380 | } | |
381 | ||
e4a3d145 TI |
382 | static void snd_ca0106_proc_reg_read2(struct snd_info_entry *entry, |
383 | struct snd_info_buffer *buffer) | |
1da177e4 | 384 | { |
e4a3d145 | 385 | struct snd_ca0106 *emu = entry->private_data; |
1da177e4 LT |
386 | unsigned long value; |
387 | int i,j; | |
388 | ||
389 | snd_iprintf(buffer, "Registers\n"); | |
390 | for(i = 0x40; i < 0x80; i++) { | |
391 | snd_iprintf(buffer, "%02X: ",i); | |
392 | for (j = 0; j < 4; j++) { | |
393 | value = snd_ca0106_ptr_read(emu, i, j); | |
394 | snd_iprintf(buffer, "%08lX ", value); | |
395 | } | |
396 | snd_iprintf(buffer, "\n"); | |
397 | } | |
398 | } | |
399 | ||
e4a3d145 TI |
400 | static void snd_ca0106_proc_reg_write(struct snd_info_entry *entry, |
401 | struct snd_info_buffer *buffer) | |
1da177e4 | 402 | { |
e4a3d145 | 403 | struct snd_ca0106 *emu = entry->private_data; |
1da177e4 LT |
404 | char line[64]; |
405 | unsigned int reg, channel_id , val; | |
406 | while (!snd_info_get_line(buffer, line, sizeof(line))) { | |
407 | if (sscanf(line, "%x %x %x", ®, &channel_id, &val) != 3) | |
408 | continue; | |
409 | if ((reg < 0x80) && (reg >=0) && (val <= 0xffffffff) && (channel_id >=0) && (channel_id <= 3) ) | |
410 | snd_ca0106_ptr_write(emu, reg, channel_id, val); | |
411 | } | |
412 | } | |
413 | ||
e4a3d145 TI |
414 | static void snd_ca0106_proc_i2c_write(struct snd_info_entry *entry, |
415 | struct snd_info_buffer *buffer) | |
7199acdc | 416 | { |
e4a3d145 | 417 | struct snd_ca0106 *emu = entry->private_data; |
7199acdc JCD |
418 | char line[64]; |
419 | unsigned int reg, val; | |
420 | while (!snd_info_get_line(buffer, line, sizeof(line))) { | |
421 | if (sscanf(line, "%x %x", ®, &val) != 2) | |
422 | continue; | |
423 | if ((reg <= 0x7f) || (val <= 0x1ff)) { | |
424 | snd_ca0106_i2c_write(emu, reg, val); | |
425 | } | |
426 | } | |
427 | } | |
1da177e4 | 428 | |
e4a3d145 | 429 | int __devinit snd_ca0106_proc_init(struct snd_ca0106 * emu) |
1da177e4 | 430 | { |
e4a3d145 | 431 | struct snd_info_entry *entry; |
1da177e4 LT |
432 | |
433 | if(! snd_card_proc_new(emu->card, "iec958", &entry)) | |
434 | snd_info_set_text_ops(entry, emu, 1024, snd_ca0106_proc_iec958); | |
435 | if(! snd_card_proc_new(emu->card, "ca0106_reg32", &entry)) { | |
436 | snd_info_set_text_ops(entry, emu, 1024, snd_ca0106_proc_reg_read32); | |
437 | entry->c.text.write_size = 64; | |
438 | entry->c.text.write = snd_ca0106_proc_reg_write32; | |
bd7bf042 | 439 | entry->mode |= S_IWUSR; |
1da177e4 LT |
440 | } |
441 | if(! snd_card_proc_new(emu->card, "ca0106_reg16", &entry)) | |
442 | snd_info_set_text_ops(entry, emu, 1024, snd_ca0106_proc_reg_read16); | |
443 | if(! snd_card_proc_new(emu->card, "ca0106_reg8", &entry)) | |
444 | snd_info_set_text_ops(entry, emu, 1024, snd_ca0106_proc_reg_read8); | |
445 | if(! snd_card_proc_new(emu->card, "ca0106_regs1", &entry)) { | |
446 | snd_info_set_text_ops(entry, emu, 1024, snd_ca0106_proc_reg_read1); | |
447 | entry->c.text.write_size = 64; | |
448 | entry->c.text.write = snd_ca0106_proc_reg_write; | |
bd7bf042 | 449 | entry->mode |= S_IWUSR; |
7199acdc JCD |
450 | // entry->private_data = emu; |
451 | } | |
452 | if(! snd_card_proc_new(emu->card, "ca0106_i2c", &entry)) { | |
453 | snd_info_set_text_ops(entry, emu, 1024, snd_ca0106_proc_i2c_write); | |
454 | entry->c.text.write_size = 64; | |
455 | entry->c.text.write = snd_ca0106_proc_i2c_write; | |
456 | entry->mode |= S_IWUSR; | |
1da177e4 LT |
457 | // entry->private_data = emu; |
458 | } | |
459 | if(! snd_card_proc_new(emu->card, "ca0106_regs2", &entry)) | |
460 | snd_info_set_text_ops(entry, emu, 1024, snd_ca0106_proc_reg_read2); | |
461 | return 0; | |
462 | } | |
463 | ||
adf1b3d2 | 464 | #endif /* CONFIG_PROC_FS */ |