| 1 | /* |
| 2 | * Universal Interface for Intel High Definition Audio Codec |
| 3 | * |
| 4 | * Generic proc interface |
| 5 | * |
| 6 | * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de> |
| 7 | * |
| 8 | * |
| 9 | * This driver is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License as published by |
| 11 | * the Free Software Foundation; either version 2 of the License, or |
| 12 | * (at your option) any later version. |
| 13 | * |
| 14 | * This driver is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License |
| 20 | * along with this program; if not, write to the Free Software |
| 21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 22 | */ |
| 23 | |
| 24 | #include <linux/init.h> |
| 25 | #include <linux/slab.h> |
| 26 | #include <sound/core.h> |
| 27 | #include <linux/module.h> |
| 28 | #include "hda_codec.h" |
| 29 | #include "hda_local.h" |
| 30 | |
| 31 | static int dump_coef = -1; |
| 32 | module_param(dump_coef, int, 0644); |
| 33 | MODULE_PARM_DESC(dump_coef, "Dump processing coefficients in codec proc file (-1=auto, 0=disable, 1=enable)"); |
| 34 | |
| 35 | /* always use noncached version */ |
| 36 | #define param_read(codec, nid, parm) \ |
| 37 | snd_hdac_read_parm_uncached(&(codec)->core, nid, parm) |
| 38 | |
| 39 | static const char *get_wid_type_name(unsigned int wid_value) |
| 40 | { |
| 41 | static const char * const names[16] = { |
| 42 | [AC_WID_AUD_OUT] = "Audio Output", |
| 43 | [AC_WID_AUD_IN] = "Audio Input", |
| 44 | [AC_WID_AUD_MIX] = "Audio Mixer", |
| 45 | [AC_WID_AUD_SEL] = "Audio Selector", |
| 46 | [AC_WID_PIN] = "Pin Complex", |
| 47 | [AC_WID_POWER] = "Power Widget", |
| 48 | [AC_WID_VOL_KNB] = "Volume Knob Widget", |
| 49 | [AC_WID_BEEP] = "Beep Generator Widget", |
| 50 | [AC_WID_VENDOR] = "Vendor Defined Widget", |
| 51 | }; |
| 52 | if (wid_value == -1) |
| 53 | return "UNKNOWN Widget"; |
| 54 | wid_value &= 0xf; |
| 55 | if (names[wid_value]) |
| 56 | return names[wid_value]; |
| 57 | else |
| 58 | return "UNKNOWN Widget"; |
| 59 | } |
| 60 | |
| 61 | static void print_nid_array(struct snd_info_buffer *buffer, |
| 62 | struct hda_codec *codec, hda_nid_t nid, |
| 63 | struct snd_array *array) |
| 64 | { |
| 65 | int i; |
| 66 | struct hda_nid_item *items = array->list, *item; |
| 67 | struct snd_kcontrol *kctl; |
| 68 | for (i = 0; i < array->used; i++) { |
| 69 | item = &items[i]; |
| 70 | if (item->nid == nid) { |
| 71 | kctl = item->kctl; |
| 72 | snd_iprintf(buffer, |
| 73 | " Control: name=\"%s\", index=%i, device=%i\n", |
| 74 | kctl->id.name, kctl->id.index + item->index, |
| 75 | kctl->id.device); |
| 76 | if (item->flags & HDA_NID_ITEM_AMP) |
| 77 | snd_iprintf(buffer, |
| 78 | " ControlAmp: chs=%lu, dir=%s, " |
| 79 | "idx=%lu, ofs=%lu\n", |
| 80 | get_amp_channels(kctl), |
| 81 | get_amp_direction(kctl) ? "Out" : "In", |
| 82 | get_amp_index(kctl), |
| 83 | get_amp_offset(kctl)); |
| 84 | } |
| 85 | } |
| 86 | } |
| 87 | |
| 88 | static void print_nid_pcms(struct snd_info_buffer *buffer, |
| 89 | struct hda_codec *codec, hda_nid_t nid) |
| 90 | { |
| 91 | int type; |
| 92 | struct hda_pcm *cpcm; |
| 93 | |
| 94 | list_for_each_entry(cpcm, &codec->pcm_list_head, list) { |
| 95 | for (type = 0; type < 2; type++) { |
| 96 | if (cpcm->stream[type].nid != nid || cpcm->pcm == NULL) |
| 97 | continue; |
| 98 | snd_iprintf(buffer, " Device: name=\"%s\", " |
| 99 | "type=\"%s\", device=%i\n", |
| 100 | cpcm->name, |
| 101 | snd_hda_pcm_type_name[cpcm->pcm_type], |
| 102 | cpcm->pcm->device); |
| 103 | } |
| 104 | } |
| 105 | } |
| 106 | |
| 107 | static void print_amp_caps(struct snd_info_buffer *buffer, |
| 108 | struct hda_codec *codec, hda_nid_t nid, int dir) |
| 109 | { |
| 110 | unsigned int caps; |
| 111 | caps = param_read(codec, nid, dir == HDA_OUTPUT ? |
| 112 | AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP); |
| 113 | if (caps == -1 || caps == 0) { |
| 114 | snd_iprintf(buffer, "N/A\n"); |
| 115 | return; |
| 116 | } |
| 117 | snd_iprintf(buffer, "ofs=0x%02x, nsteps=0x%02x, stepsize=0x%02x, " |
| 118 | "mute=%x\n", |
| 119 | caps & AC_AMPCAP_OFFSET, |
| 120 | (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT, |
| 121 | (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT, |
| 122 | (caps & AC_AMPCAP_MUTE) >> AC_AMPCAP_MUTE_SHIFT); |
| 123 | } |
| 124 | |
| 125 | /* is this a stereo widget or a stereo-to-mono mix? */ |
| 126 | static bool is_stereo_amps(struct hda_codec *codec, hda_nid_t nid, |
| 127 | int dir, unsigned int wcaps, int indices) |
| 128 | { |
| 129 | hda_nid_t conn; |
| 130 | |
| 131 | if (wcaps & AC_WCAP_STEREO) |
| 132 | return true; |
| 133 | /* check for a stereo-to-mono mix; it must be: |
| 134 | * only a single connection, only for input, and only a mixer widget |
| 135 | */ |
| 136 | if (indices != 1 || dir != HDA_INPUT || |
| 137 | get_wcaps_type(wcaps) != AC_WID_AUD_MIX) |
| 138 | return false; |
| 139 | |
| 140 | if (snd_hda_get_raw_connections(codec, nid, &conn, 1) < 0) |
| 141 | return false; |
| 142 | /* the connection source is a stereo? */ |
| 143 | wcaps = snd_hda_param_read(codec, conn, AC_PAR_AUDIO_WIDGET_CAP); |
| 144 | return !!(wcaps & AC_WCAP_STEREO); |
| 145 | } |
| 146 | |
| 147 | static void print_amp_vals(struct snd_info_buffer *buffer, |
| 148 | struct hda_codec *codec, hda_nid_t nid, |
| 149 | int dir, unsigned int wcaps, int indices) |
| 150 | { |
| 151 | unsigned int val; |
| 152 | bool stereo; |
| 153 | int i; |
| 154 | |
| 155 | stereo = is_stereo_amps(codec, nid, dir, wcaps, indices); |
| 156 | |
| 157 | dir = dir == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT; |
| 158 | for (i = 0; i < indices; i++) { |
| 159 | snd_iprintf(buffer, " ["); |
| 160 | val = snd_hda_codec_read(codec, nid, 0, |
| 161 | AC_VERB_GET_AMP_GAIN_MUTE, |
| 162 | AC_AMP_GET_LEFT | dir | i); |
| 163 | snd_iprintf(buffer, "0x%02x", val); |
| 164 | if (stereo) { |
| 165 | val = snd_hda_codec_read(codec, nid, 0, |
| 166 | AC_VERB_GET_AMP_GAIN_MUTE, |
| 167 | AC_AMP_GET_RIGHT | dir | i); |
| 168 | snd_iprintf(buffer, " 0x%02x", val); |
| 169 | } |
| 170 | snd_iprintf(buffer, "]"); |
| 171 | } |
| 172 | snd_iprintf(buffer, "\n"); |
| 173 | } |
| 174 | |
| 175 | static void print_pcm_rates(struct snd_info_buffer *buffer, unsigned int pcm) |
| 176 | { |
| 177 | static unsigned int rates[] = { |
| 178 | 8000, 11025, 16000, 22050, 32000, 44100, 48000, 88200, |
| 179 | 96000, 176400, 192000, 384000 |
| 180 | }; |
| 181 | int i; |
| 182 | |
| 183 | pcm &= AC_SUPPCM_RATES; |
| 184 | snd_iprintf(buffer, " rates [0x%x]:", pcm); |
| 185 | for (i = 0; i < ARRAY_SIZE(rates); i++) |
| 186 | if (pcm & (1 << i)) |
| 187 | snd_iprintf(buffer, " %d", rates[i]); |
| 188 | snd_iprintf(buffer, "\n"); |
| 189 | } |
| 190 | |
| 191 | static void print_pcm_bits(struct snd_info_buffer *buffer, unsigned int pcm) |
| 192 | { |
| 193 | char buf[SND_PRINT_BITS_ADVISED_BUFSIZE]; |
| 194 | |
| 195 | snd_iprintf(buffer, " bits [0x%x]:", (pcm >> 16) & 0xff); |
| 196 | snd_print_pcm_bits(pcm, buf, sizeof(buf)); |
| 197 | snd_iprintf(buffer, "%s\n", buf); |
| 198 | } |
| 199 | |
| 200 | static void print_pcm_formats(struct snd_info_buffer *buffer, |
| 201 | unsigned int streams) |
| 202 | { |
| 203 | snd_iprintf(buffer, " formats [0x%x]:", streams & 0xf); |
| 204 | if (streams & AC_SUPFMT_PCM) |
| 205 | snd_iprintf(buffer, " PCM"); |
| 206 | if (streams & AC_SUPFMT_FLOAT32) |
| 207 | snd_iprintf(buffer, " FLOAT"); |
| 208 | if (streams & AC_SUPFMT_AC3) |
| 209 | snd_iprintf(buffer, " AC3"); |
| 210 | snd_iprintf(buffer, "\n"); |
| 211 | } |
| 212 | |
| 213 | static void print_pcm_caps(struct snd_info_buffer *buffer, |
| 214 | struct hda_codec *codec, hda_nid_t nid) |
| 215 | { |
| 216 | unsigned int pcm = param_read(codec, nid, AC_PAR_PCM); |
| 217 | unsigned int stream = param_read(codec, nid, AC_PAR_STREAM); |
| 218 | if (pcm == -1 || stream == -1) { |
| 219 | snd_iprintf(buffer, "N/A\n"); |
| 220 | return; |
| 221 | } |
| 222 | print_pcm_rates(buffer, pcm); |
| 223 | print_pcm_bits(buffer, pcm); |
| 224 | print_pcm_formats(buffer, stream); |
| 225 | } |
| 226 | |
| 227 | static const char *get_jack_connection(u32 cfg) |
| 228 | { |
| 229 | static const char * const names[16] = { |
| 230 | "Unknown", "1/8", "1/4", "ATAPI", |
| 231 | "RCA", "Optical","Digital", "Analog", |
| 232 | "DIN", "XLR", "RJ11", "Comb", |
| 233 | NULL, NULL, NULL, "Other" |
| 234 | }; |
| 235 | cfg = (cfg & AC_DEFCFG_CONN_TYPE) >> AC_DEFCFG_CONN_TYPE_SHIFT; |
| 236 | if (names[cfg]) |
| 237 | return names[cfg]; |
| 238 | else |
| 239 | return "UNKNOWN"; |
| 240 | } |
| 241 | |
| 242 | static const char *get_jack_color(u32 cfg) |
| 243 | { |
| 244 | static const char * const names[16] = { |
| 245 | "Unknown", "Black", "Grey", "Blue", |
| 246 | "Green", "Red", "Orange", "Yellow", |
| 247 | "Purple", "Pink", NULL, NULL, |
| 248 | NULL, NULL, "White", "Other", |
| 249 | }; |
| 250 | cfg = (cfg & AC_DEFCFG_COLOR) >> AC_DEFCFG_COLOR_SHIFT; |
| 251 | if (names[cfg]) |
| 252 | return names[cfg]; |
| 253 | else |
| 254 | return "UNKNOWN"; |
| 255 | } |
| 256 | |
| 257 | /* |
| 258 | * Parse the pin default config value and returns the string of the |
| 259 | * jack location, e.g. "Rear", "Front", etc. |
| 260 | */ |
| 261 | static const char *get_jack_location(u32 cfg) |
| 262 | { |
| 263 | static const char * const bases[7] = { |
| 264 | "N/A", "Rear", "Front", "Left", "Right", "Top", "Bottom", |
| 265 | }; |
| 266 | static const unsigned char specials_idx[] = { |
| 267 | 0x07, 0x08, |
| 268 | 0x17, 0x18, 0x19, |
| 269 | 0x37, 0x38 |
| 270 | }; |
| 271 | static const char * const specials[] = { |
| 272 | "Rear Panel", "Drive Bar", |
| 273 | "Riser", "HDMI", "ATAPI", |
| 274 | "Mobile-In", "Mobile-Out" |
| 275 | }; |
| 276 | int i; |
| 277 | |
| 278 | cfg = (cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT; |
| 279 | if ((cfg & 0x0f) < 7) |
| 280 | return bases[cfg & 0x0f]; |
| 281 | for (i = 0; i < ARRAY_SIZE(specials_idx); i++) { |
| 282 | if (cfg == specials_idx[i]) |
| 283 | return specials[i]; |
| 284 | } |
| 285 | return "UNKNOWN"; |
| 286 | } |
| 287 | |
| 288 | /* |
| 289 | * Parse the pin default config value and returns the string of the |
| 290 | * jack connectivity, i.e. external or internal connection. |
| 291 | */ |
| 292 | static const char *get_jack_connectivity(u32 cfg) |
| 293 | { |
| 294 | static const char * const jack_locations[4] = { |
| 295 | "Ext", "Int", "Sep", "Oth" |
| 296 | }; |
| 297 | |
| 298 | return jack_locations[(cfg >> (AC_DEFCFG_LOCATION_SHIFT + 4)) & 3]; |
| 299 | } |
| 300 | |
| 301 | /* |
| 302 | * Parse the pin default config value and returns the string of the |
| 303 | * jack type, i.e. the purpose of the jack, such as Line-Out or CD. |
| 304 | */ |
| 305 | static const char *get_jack_type(u32 cfg) |
| 306 | { |
| 307 | static const char * const jack_types[16] = { |
| 308 | "Line Out", "Speaker", "HP Out", "CD", |
| 309 | "SPDIF Out", "Digital Out", "Modem Line", "Modem Hand", |
| 310 | "Line In", "Aux", "Mic", "Telephony", |
| 311 | "SPDIF In", "Digital In", "Reserved", "Other" |
| 312 | }; |
| 313 | |
| 314 | return jack_types[(cfg & AC_DEFCFG_DEVICE) |
| 315 | >> AC_DEFCFG_DEVICE_SHIFT]; |
| 316 | } |
| 317 | |
| 318 | static void print_pin_caps(struct snd_info_buffer *buffer, |
| 319 | struct hda_codec *codec, hda_nid_t nid, |
| 320 | int *supports_vref) |
| 321 | { |
| 322 | static const char * const jack_conns[4] = { |
| 323 | "Jack", "N/A", "Fixed", "Both" |
| 324 | }; |
| 325 | unsigned int caps, val; |
| 326 | |
| 327 | caps = param_read(codec, nid, AC_PAR_PIN_CAP); |
| 328 | snd_iprintf(buffer, " Pincap 0x%08x:", caps); |
| 329 | if (caps & AC_PINCAP_IN) |
| 330 | snd_iprintf(buffer, " IN"); |
| 331 | if (caps & AC_PINCAP_OUT) |
| 332 | snd_iprintf(buffer, " OUT"); |
| 333 | if (caps & AC_PINCAP_HP_DRV) |
| 334 | snd_iprintf(buffer, " HP"); |
| 335 | if (caps & AC_PINCAP_EAPD) |
| 336 | snd_iprintf(buffer, " EAPD"); |
| 337 | if (caps & AC_PINCAP_PRES_DETECT) |
| 338 | snd_iprintf(buffer, " Detect"); |
| 339 | if (caps & AC_PINCAP_BALANCE) |
| 340 | snd_iprintf(buffer, " Balanced"); |
| 341 | if (caps & AC_PINCAP_HDMI) { |
| 342 | /* Realtek uses this bit as a different meaning */ |
| 343 | if ((codec->core.vendor_id >> 16) == 0x10ec) |
| 344 | snd_iprintf(buffer, " R/L"); |
| 345 | else { |
| 346 | if (caps & AC_PINCAP_HBR) |
| 347 | snd_iprintf(buffer, " HBR"); |
| 348 | snd_iprintf(buffer, " HDMI"); |
| 349 | } |
| 350 | } |
| 351 | if (caps & AC_PINCAP_DP) |
| 352 | snd_iprintf(buffer, " DP"); |
| 353 | if (caps & AC_PINCAP_TRIG_REQ) |
| 354 | snd_iprintf(buffer, " Trigger"); |
| 355 | if (caps & AC_PINCAP_IMP_SENSE) |
| 356 | snd_iprintf(buffer, " ImpSense"); |
| 357 | snd_iprintf(buffer, "\n"); |
| 358 | if (caps & AC_PINCAP_VREF) { |
| 359 | unsigned int vref = |
| 360 | (caps & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT; |
| 361 | snd_iprintf(buffer, " Vref caps:"); |
| 362 | if (vref & AC_PINCAP_VREF_HIZ) |
| 363 | snd_iprintf(buffer, " HIZ"); |
| 364 | if (vref & AC_PINCAP_VREF_50) |
| 365 | snd_iprintf(buffer, " 50"); |
| 366 | if (vref & AC_PINCAP_VREF_GRD) |
| 367 | snd_iprintf(buffer, " GRD"); |
| 368 | if (vref & AC_PINCAP_VREF_80) |
| 369 | snd_iprintf(buffer, " 80"); |
| 370 | if (vref & AC_PINCAP_VREF_100) |
| 371 | snd_iprintf(buffer, " 100"); |
| 372 | snd_iprintf(buffer, "\n"); |
| 373 | *supports_vref = 1; |
| 374 | } else |
| 375 | *supports_vref = 0; |
| 376 | if (caps & AC_PINCAP_EAPD) { |
| 377 | val = snd_hda_codec_read(codec, nid, 0, |
| 378 | AC_VERB_GET_EAPD_BTLENABLE, 0); |
| 379 | snd_iprintf(buffer, " EAPD 0x%x:", val); |
| 380 | if (val & AC_EAPDBTL_BALANCED) |
| 381 | snd_iprintf(buffer, " BALANCED"); |
| 382 | if (val & AC_EAPDBTL_EAPD) |
| 383 | snd_iprintf(buffer, " EAPD"); |
| 384 | if (val & AC_EAPDBTL_LR_SWAP) |
| 385 | snd_iprintf(buffer, " R/L"); |
| 386 | snd_iprintf(buffer, "\n"); |
| 387 | } |
| 388 | caps = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONFIG_DEFAULT, 0); |
| 389 | snd_iprintf(buffer, " Pin Default 0x%08x: [%s] %s at %s %s\n", caps, |
| 390 | jack_conns[(caps & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT], |
| 391 | get_jack_type(caps), |
| 392 | get_jack_connectivity(caps), |
| 393 | get_jack_location(caps)); |
| 394 | snd_iprintf(buffer, " Conn = %s, Color = %s\n", |
| 395 | get_jack_connection(caps), |
| 396 | get_jack_color(caps)); |
| 397 | /* Default association and sequence values refer to default grouping |
| 398 | * of pin complexes and their sequence within the group. This is used |
| 399 | * for priority and resource allocation. |
| 400 | */ |
| 401 | snd_iprintf(buffer, " DefAssociation = 0x%x, Sequence = 0x%x\n", |
| 402 | (caps & AC_DEFCFG_DEF_ASSOC) >> AC_DEFCFG_ASSOC_SHIFT, |
| 403 | caps & AC_DEFCFG_SEQUENCE); |
| 404 | if (((caps & AC_DEFCFG_MISC) >> AC_DEFCFG_MISC_SHIFT) & |
| 405 | AC_DEFCFG_MISC_NO_PRESENCE) { |
| 406 | /* Miscellaneous bit indicates external hardware does not |
| 407 | * support presence detection even if the pin complex |
| 408 | * indicates it is supported. |
| 409 | */ |
| 410 | snd_iprintf(buffer, " Misc = NO_PRESENCE\n"); |
| 411 | } |
| 412 | } |
| 413 | |
| 414 | static void print_pin_ctls(struct snd_info_buffer *buffer, |
| 415 | struct hda_codec *codec, hda_nid_t nid, |
| 416 | int supports_vref) |
| 417 | { |
| 418 | unsigned int pinctls; |
| 419 | |
| 420 | pinctls = snd_hda_codec_read(codec, nid, 0, |
| 421 | AC_VERB_GET_PIN_WIDGET_CONTROL, 0); |
| 422 | snd_iprintf(buffer, " Pin-ctls: 0x%02x:", pinctls); |
| 423 | if (pinctls & AC_PINCTL_IN_EN) |
| 424 | snd_iprintf(buffer, " IN"); |
| 425 | if (pinctls & AC_PINCTL_OUT_EN) |
| 426 | snd_iprintf(buffer, " OUT"); |
| 427 | if (pinctls & AC_PINCTL_HP_EN) |
| 428 | snd_iprintf(buffer, " HP"); |
| 429 | if (supports_vref) { |
| 430 | int vref = pinctls & AC_PINCTL_VREFEN; |
| 431 | switch (vref) { |
| 432 | case AC_PINCTL_VREF_HIZ: |
| 433 | snd_iprintf(buffer, " VREF_HIZ"); |
| 434 | break; |
| 435 | case AC_PINCTL_VREF_50: |
| 436 | snd_iprintf(buffer, " VREF_50"); |
| 437 | break; |
| 438 | case AC_PINCTL_VREF_GRD: |
| 439 | snd_iprintf(buffer, " VREF_GRD"); |
| 440 | break; |
| 441 | case AC_PINCTL_VREF_80: |
| 442 | snd_iprintf(buffer, " VREF_80"); |
| 443 | break; |
| 444 | case AC_PINCTL_VREF_100: |
| 445 | snd_iprintf(buffer, " VREF_100"); |
| 446 | break; |
| 447 | } |
| 448 | } |
| 449 | snd_iprintf(buffer, "\n"); |
| 450 | } |
| 451 | |
| 452 | static void print_vol_knob(struct snd_info_buffer *buffer, |
| 453 | struct hda_codec *codec, hda_nid_t nid) |
| 454 | { |
| 455 | unsigned int cap = param_read(codec, nid, AC_PAR_VOL_KNB_CAP); |
| 456 | snd_iprintf(buffer, " Volume-Knob: delta=%d, steps=%d, ", |
| 457 | (cap >> 7) & 1, cap & 0x7f); |
| 458 | cap = snd_hda_codec_read(codec, nid, 0, |
| 459 | AC_VERB_GET_VOLUME_KNOB_CONTROL, 0); |
| 460 | snd_iprintf(buffer, "direct=%d, val=%d\n", |
| 461 | (cap >> 7) & 1, cap & 0x7f); |
| 462 | } |
| 463 | |
| 464 | static void print_audio_io(struct snd_info_buffer *buffer, |
| 465 | struct hda_codec *codec, hda_nid_t nid, |
| 466 | unsigned int wid_type) |
| 467 | { |
| 468 | int conv = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0); |
| 469 | snd_iprintf(buffer, |
| 470 | " Converter: stream=%d, channel=%d\n", |
| 471 | (conv & AC_CONV_STREAM) >> AC_CONV_STREAM_SHIFT, |
| 472 | conv & AC_CONV_CHANNEL); |
| 473 | |
| 474 | if (wid_type == AC_WID_AUD_IN && (conv & AC_CONV_CHANNEL) == 0) { |
| 475 | int sdi = snd_hda_codec_read(codec, nid, 0, |
| 476 | AC_VERB_GET_SDI_SELECT, 0); |
| 477 | snd_iprintf(buffer, " SDI-Select: %d\n", |
| 478 | sdi & AC_SDI_SELECT); |
| 479 | } |
| 480 | } |
| 481 | |
| 482 | static void print_digital_conv(struct snd_info_buffer *buffer, |
| 483 | struct hda_codec *codec, hda_nid_t nid) |
| 484 | { |
| 485 | unsigned int digi1 = snd_hda_codec_read(codec, nid, 0, |
| 486 | AC_VERB_GET_DIGI_CONVERT_1, 0); |
| 487 | unsigned char digi2 = digi1 >> 8; |
| 488 | unsigned char digi3 = digi1 >> 16; |
| 489 | |
| 490 | snd_iprintf(buffer, " Digital:"); |
| 491 | if (digi1 & AC_DIG1_ENABLE) |
| 492 | snd_iprintf(buffer, " Enabled"); |
| 493 | if (digi1 & AC_DIG1_V) |
| 494 | snd_iprintf(buffer, " Validity"); |
| 495 | if (digi1 & AC_DIG1_VCFG) |
| 496 | snd_iprintf(buffer, " ValidityCfg"); |
| 497 | if (digi1 & AC_DIG1_EMPHASIS) |
| 498 | snd_iprintf(buffer, " Preemphasis"); |
| 499 | if (digi1 & AC_DIG1_COPYRIGHT) |
| 500 | snd_iprintf(buffer, " Non-Copyright"); |
| 501 | if (digi1 & AC_DIG1_NONAUDIO) |
| 502 | snd_iprintf(buffer, " Non-Audio"); |
| 503 | if (digi1 & AC_DIG1_PROFESSIONAL) |
| 504 | snd_iprintf(buffer, " Pro"); |
| 505 | if (digi1 & AC_DIG1_LEVEL) |
| 506 | snd_iprintf(buffer, " GenLevel"); |
| 507 | if (digi3 & AC_DIG3_KAE) |
| 508 | snd_iprintf(buffer, " KAE"); |
| 509 | snd_iprintf(buffer, "\n"); |
| 510 | snd_iprintf(buffer, " Digital category: 0x%x\n", |
| 511 | digi2 & AC_DIG2_CC); |
| 512 | snd_iprintf(buffer, " IEC Coding Type: 0x%x\n", |
| 513 | digi3 & AC_DIG3_ICT); |
| 514 | } |
| 515 | |
| 516 | static const char *get_pwr_state(u32 state) |
| 517 | { |
| 518 | static const char * const buf[] = { |
| 519 | "D0", "D1", "D2", "D3", "D3cold" |
| 520 | }; |
| 521 | if (state < ARRAY_SIZE(buf)) |
| 522 | return buf[state]; |
| 523 | return "UNKNOWN"; |
| 524 | } |
| 525 | |
| 526 | static void print_power_state(struct snd_info_buffer *buffer, |
| 527 | struct hda_codec *codec, hda_nid_t nid) |
| 528 | { |
| 529 | static const char * const names[] = { |
| 530 | [ilog2(AC_PWRST_D0SUP)] = "D0", |
| 531 | [ilog2(AC_PWRST_D1SUP)] = "D1", |
| 532 | [ilog2(AC_PWRST_D2SUP)] = "D2", |
| 533 | [ilog2(AC_PWRST_D3SUP)] = "D3", |
| 534 | [ilog2(AC_PWRST_D3COLDSUP)] = "D3cold", |
| 535 | [ilog2(AC_PWRST_S3D3COLDSUP)] = "S3D3cold", |
| 536 | [ilog2(AC_PWRST_CLKSTOP)] = "CLKSTOP", |
| 537 | [ilog2(AC_PWRST_EPSS)] = "EPSS", |
| 538 | }; |
| 539 | |
| 540 | int sup = param_read(codec, nid, AC_PAR_POWER_STATE); |
| 541 | int pwr = snd_hda_codec_read(codec, nid, 0, |
| 542 | AC_VERB_GET_POWER_STATE, 0); |
| 543 | if (sup != -1) { |
| 544 | int i; |
| 545 | |
| 546 | snd_iprintf(buffer, " Power states: "); |
| 547 | for (i = 0; i < ARRAY_SIZE(names); i++) { |
| 548 | if (sup & (1U << i)) |
| 549 | snd_iprintf(buffer, " %s", names[i]); |
| 550 | } |
| 551 | snd_iprintf(buffer, "\n"); |
| 552 | } |
| 553 | |
| 554 | snd_iprintf(buffer, " Power: setting=%s, actual=%s", |
| 555 | get_pwr_state(pwr & AC_PWRST_SETTING), |
| 556 | get_pwr_state((pwr & AC_PWRST_ACTUAL) >> |
| 557 | AC_PWRST_ACTUAL_SHIFT)); |
| 558 | if (pwr & AC_PWRST_ERROR) |
| 559 | snd_iprintf(buffer, ", Error"); |
| 560 | if (pwr & AC_PWRST_CLK_STOP_OK) |
| 561 | snd_iprintf(buffer, ", Clock-stop-OK"); |
| 562 | if (pwr & AC_PWRST_SETTING_RESET) |
| 563 | snd_iprintf(buffer, ", Setting-reset"); |
| 564 | snd_iprintf(buffer, "\n"); |
| 565 | } |
| 566 | |
| 567 | static void print_unsol_cap(struct snd_info_buffer *buffer, |
| 568 | struct hda_codec *codec, hda_nid_t nid) |
| 569 | { |
| 570 | int unsol = snd_hda_codec_read(codec, nid, 0, |
| 571 | AC_VERB_GET_UNSOLICITED_RESPONSE, 0); |
| 572 | snd_iprintf(buffer, |
| 573 | " Unsolicited: tag=%02x, enabled=%d\n", |
| 574 | unsol & AC_UNSOL_TAG, |
| 575 | (unsol & AC_UNSOL_ENABLED) ? 1 : 0); |
| 576 | } |
| 577 | |
| 578 | static inline bool can_dump_coef(struct hda_codec *codec) |
| 579 | { |
| 580 | switch (dump_coef) { |
| 581 | case 0: return false; |
| 582 | case 1: return true; |
| 583 | default: return codec->dump_coef; |
| 584 | } |
| 585 | } |
| 586 | |
| 587 | static void print_proc_caps(struct snd_info_buffer *buffer, |
| 588 | struct hda_codec *codec, hda_nid_t nid) |
| 589 | { |
| 590 | unsigned int i, ncoeff, oldindex; |
| 591 | unsigned int proc_caps = param_read(codec, nid, AC_PAR_PROC_CAP); |
| 592 | ncoeff = (proc_caps & AC_PCAP_NUM_COEF) >> AC_PCAP_NUM_COEF_SHIFT; |
| 593 | snd_iprintf(buffer, " Processing caps: benign=%d, ncoeff=%d\n", |
| 594 | proc_caps & AC_PCAP_BENIGN, ncoeff); |
| 595 | |
| 596 | if (!can_dump_coef(codec)) |
| 597 | return; |
| 598 | |
| 599 | /* Note: This is racy - another process could run in parallel and change |
| 600 | the coef index too. */ |
| 601 | oldindex = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_COEF_INDEX, 0); |
| 602 | for (i = 0; i < ncoeff; i++) { |
| 603 | unsigned int val; |
| 604 | snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_COEF_INDEX, i); |
| 605 | val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_PROC_COEF, |
| 606 | 0); |
| 607 | snd_iprintf(buffer, " Coeff 0x%02x: 0x%04x\n", i, val); |
| 608 | } |
| 609 | snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_COEF_INDEX, oldindex); |
| 610 | } |
| 611 | |
| 612 | static void print_conn_list(struct snd_info_buffer *buffer, |
| 613 | struct hda_codec *codec, hda_nid_t nid, |
| 614 | unsigned int wid_type, hda_nid_t *conn, |
| 615 | int conn_len) |
| 616 | { |
| 617 | int c, curr = -1; |
| 618 | const hda_nid_t *list; |
| 619 | int cache_len; |
| 620 | |
| 621 | if (conn_len > 1 && |
| 622 | wid_type != AC_WID_AUD_MIX && |
| 623 | wid_type != AC_WID_VOL_KNB && |
| 624 | wid_type != AC_WID_POWER) |
| 625 | curr = snd_hda_codec_read(codec, nid, 0, |
| 626 | AC_VERB_GET_CONNECT_SEL, 0); |
| 627 | snd_iprintf(buffer, " Connection: %d\n", conn_len); |
| 628 | if (conn_len > 0) { |
| 629 | snd_iprintf(buffer, " "); |
| 630 | for (c = 0; c < conn_len; c++) { |
| 631 | snd_iprintf(buffer, " 0x%02x", conn[c]); |
| 632 | if (c == curr) |
| 633 | snd_iprintf(buffer, "*"); |
| 634 | } |
| 635 | snd_iprintf(buffer, "\n"); |
| 636 | } |
| 637 | |
| 638 | /* Get Cache connections info */ |
| 639 | cache_len = snd_hda_get_conn_list(codec, nid, &list); |
| 640 | if (cache_len >= 0 && (cache_len != conn_len || |
| 641 | memcmp(list, conn, conn_len) != 0)) { |
| 642 | snd_iprintf(buffer, " In-driver Connection: %d\n", cache_len); |
| 643 | if (cache_len > 0) { |
| 644 | snd_iprintf(buffer, " "); |
| 645 | for (c = 0; c < cache_len; c++) |
| 646 | snd_iprintf(buffer, " 0x%02x", list[c]); |
| 647 | snd_iprintf(buffer, "\n"); |
| 648 | } |
| 649 | } |
| 650 | } |
| 651 | |
| 652 | static void print_gpio(struct snd_info_buffer *buffer, |
| 653 | struct hda_codec *codec, hda_nid_t nid) |
| 654 | { |
| 655 | unsigned int gpio = |
| 656 | param_read(codec, codec->core.afg, AC_PAR_GPIO_CAP); |
| 657 | unsigned int enable, direction, wake, unsol, sticky, data; |
| 658 | int i, max; |
| 659 | snd_iprintf(buffer, "GPIO: io=%d, o=%d, i=%d, " |
| 660 | "unsolicited=%d, wake=%d\n", |
| 661 | gpio & AC_GPIO_IO_COUNT, |
| 662 | (gpio & AC_GPIO_O_COUNT) >> AC_GPIO_O_COUNT_SHIFT, |
| 663 | (gpio & AC_GPIO_I_COUNT) >> AC_GPIO_I_COUNT_SHIFT, |
| 664 | (gpio & AC_GPIO_UNSOLICITED) ? 1 : 0, |
| 665 | (gpio & AC_GPIO_WAKE) ? 1 : 0); |
| 666 | max = gpio & AC_GPIO_IO_COUNT; |
| 667 | if (!max || max > 8) |
| 668 | return; |
| 669 | enable = snd_hda_codec_read(codec, nid, 0, |
| 670 | AC_VERB_GET_GPIO_MASK, 0); |
| 671 | direction = snd_hda_codec_read(codec, nid, 0, |
| 672 | AC_VERB_GET_GPIO_DIRECTION, 0); |
| 673 | wake = snd_hda_codec_read(codec, nid, 0, |
| 674 | AC_VERB_GET_GPIO_WAKE_MASK, 0); |
| 675 | unsol = snd_hda_codec_read(codec, nid, 0, |
| 676 | AC_VERB_GET_GPIO_UNSOLICITED_RSP_MASK, 0); |
| 677 | sticky = snd_hda_codec_read(codec, nid, 0, |
| 678 | AC_VERB_GET_GPIO_STICKY_MASK, 0); |
| 679 | data = snd_hda_codec_read(codec, nid, 0, |
| 680 | AC_VERB_GET_GPIO_DATA, 0); |
| 681 | for (i = 0; i < max; ++i) |
| 682 | snd_iprintf(buffer, |
| 683 | " IO[%d]: enable=%d, dir=%d, wake=%d, " |
| 684 | "sticky=%d, data=%d, unsol=%d\n", i, |
| 685 | (enable & (1<<i)) ? 1 : 0, |
| 686 | (direction & (1<<i)) ? 1 : 0, |
| 687 | (wake & (1<<i)) ? 1 : 0, |
| 688 | (sticky & (1<<i)) ? 1 : 0, |
| 689 | (data & (1<<i)) ? 1 : 0, |
| 690 | (unsol & (1<<i)) ? 1 : 0); |
| 691 | /* FIXME: add GPO and GPI pin information */ |
| 692 | print_nid_array(buffer, codec, nid, &codec->mixers); |
| 693 | print_nid_array(buffer, codec, nid, &codec->nids); |
| 694 | } |
| 695 | |
| 696 | static void print_device_list(struct snd_info_buffer *buffer, |
| 697 | struct hda_codec *codec, hda_nid_t nid) |
| 698 | { |
| 699 | int i, curr = -1; |
| 700 | u8 dev_list[AC_MAX_DEV_LIST_LEN]; |
| 701 | int devlist_len; |
| 702 | |
| 703 | devlist_len = snd_hda_get_devices(codec, nid, dev_list, |
| 704 | AC_MAX_DEV_LIST_LEN); |
| 705 | snd_iprintf(buffer, " Devices: %d\n", devlist_len); |
| 706 | if (devlist_len <= 0) |
| 707 | return; |
| 708 | |
| 709 | curr = snd_hda_codec_read(codec, nid, 0, |
| 710 | AC_VERB_GET_DEVICE_SEL, 0); |
| 711 | |
| 712 | for (i = 0; i < devlist_len; i++) { |
| 713 | if (i == curr) |
| 714 | snd_iprintf(buffer, " *"); |
| 715 | else |
| 716 | snd_iprintf(buffer, " "); |
| 717 | |
| 718 | snd_iprintf(buffer, |
| 719 | "Dev %02d: PD = %d, ELDV = %d, IA = %d\n", i, |
| 720 | !!(dev_list[i] & AC_DE_PD), |
| 721 | !!(dev_list[i] & AC_DE_ELDV), |
| 722 | !!(dev_list[i] & AC_DE_IA)); |
| 723 | } |
| 724 | } |
| 725 | |
| 726 | static void print_codec_core_info(struct hdac_device *codec, |
| 727 | struct snd_info_buffer *buffer) |
| 728 | { |
| 729 | snd_iprintf(buffer, "Codec: "); |
| 730 | if (codec->vendor_name && codec->chip_name) |
| 731 | snd_iprintf(buffer, "%s %s\n", |
| 732 | codec->vendor_name, codec->chip_name); |
| 733 | else |
| 734 | snd_iprintf(buffer, "Not Set\n"); |
| 735 | snd_iprintf(buffer, "Address: %d\n", codec->addr); |
| 736 | if (codec->afg) |
| 737 | snd_iprintf(buffer, "AFG Function Id: 0x%x (unsol %u)\n", |
| 738 | codec->afg_function_id, codec->afg_unsol); |
| 739 | if (codec->mfg) |
| 740 | snd_iprintf(buffer, "MFG Function Id: 0x%x (unsol %u)\n", |
| 741 | codec->mfg_function_id, codec->mfg_unsol); |
| 742 | snd_iprintf(buffer, "Vendor Id: 0x%08x\n", codec->vendor_id); |
| 743 | snd_iprintf(buffer, "Subsystem Id: 0x%08x\n", codec->subsystem_id); |
| 744 | snd_iprintf(buffer, "Revision Id: 0x%x\n", codec->revision_id); |
| 745 | |
| 746 | if (codec->mfg) |
| 747 | snd_iprintf(buffer, "Modem Function Group: 0x%x\n", codec->mfg); |
| 748 | else |
| 749 | snd_iprintf(buffer, "No Modem Function Group found\n"); |
| 750 | } |
| 751 | |
| 752 | static void print_codec_info(struct snd_info_entry *entry, |
| 753 | struct snd_info_buffer *buffer) |
| 754 | { |
| 755 | struct hda_codec *codec = entry->private_data; |
| 756 | hda_nid_t nid, fg; |
| 757 | int i, nodes; |
| 758 | |
| 759 | print_codec_core_info(&codec->core, buffer); |
| 760 | fg = codec->core.afg; |
| 761 | if (!fg) |
| 762 | return; |
| 763 | snd_hda_power_up(codec); |
| 764 | snd_iprintf(buffer, "Default PCM:\n"); |
| 765 | print_pcm_caps(buffer, codec, fg); |
| 766 | snd_iprintf(buffer, "Default Amp-In caps: "); |
| 767 | print_amp_caps(buffer, codec, fg, HDA_INPUT); |
| 768 | snd_iprintf(buffer, "Default Amp-Out caps: "); |
| 769 | print_amp_caps(buffer, codec, fg, HDA_OUTPUT); |
| 770 | snd_iprintf(buffer, "State of AFG node 0x%02x:\n", fg); |
| 771 | print_power_state(buffer, codec, fg); |
| 772 | |
| 773 | nodes = snd_hda_get_sub_nodes(codec, fg, &nid); |
| 774 | if (! nid || nodes < 0) { |
| 775 | snd_iprintf(buffer, "Invalid AFG subtree\n"); |
| 776 | snd_hda_power_down(codec); |
| 777 | return; |
| 778 | } |
| 779 | |
| 780 | print_gpio(buffer, codec, fg); |
| 781 | if (codec->proc_widget_hook) |
| 782 | codec->proc_widget_hook(buffer, codec, fg); |
| 783 | |
| 784 | for (i = 0; i < nodes; i++, nid++) { |
| 785 | unsigned int wid_caps = |
| 786 | param_read(codec, nid, AC_PAR_AUDIO_WIDGET_CAP); |
| 787 | unsigned int wid_type = get_wcaps_type(wid_caps); |
| 788 | hda_nid_t *conn = NULL; |
| 789 | int conn_len = 0; |
| 790 | |
| 791 | snd_iprintf(buffer, "Node 0x%02x [%s] wcaps 0x%x:", nid, |
| 792 | get_wid_type_name(wid_type), wid_caps); |
| 793 | if (wid_caps & AC_WCAP_STEREO) { |
| 794 | unsigned int chans = get_wcaps_channels(wid_caps); |
| 795 | if (chans == 2) |
| 796 | snd_iprintf(buffer, " Stereo"); |
| 797 | else |
| 798 | snd_iprintf(buffer, " %d-Channels", chans); |
| 799 | } else |
| 800 | snd_iprintf(buffer, " Mono"); |
| 801 | if (wid_caps & AC_WCAP_DIGITAL) |
| 802 | snd_iprintf(buffer, " Digital"); |
| 803 | if (wid_caps & AC_WCAP_IN_AMP) |
| 804 | snd_iprintf(buffer, " Amp-In"); |
| 805 | if (wid_caps & AC_WCAP_OUT_AMP) |
| 806 | snd_iprintf(buffer, " Amp-Out"); |
| 807 | if (wid_caps & AC_WCAP_STRIPE) |
| 808 | snd_iprintf(buffer, " Stripe"); |
| 809 | if (wid_caps & AC_WCAP_LR_SWAP) |
| 810 | snd_iprintf(buffer, " R/L"); |
| 811 | if (wid_caps & AC_WCAP_CP_CAPS) |
| 812 | snd_iprintf(buffer, " CP"); |
| 813 | snd_iprintf(buffer, "\n"); |
| 814 | |
| 815 | print_nid_array(buffer, codec, nid, &codec->mixers); |
| 816 | print_nid_array(buffer, codec, nid, &codec->nids); |
| 817 | print_nid_pcms(buffer, codec, nid); |
| 818 | |
| 819 | /* volume knob is a special widget that always have connection |
| 820 | * list |
| 821 | */ |
| 822 | if (wid_type == AC_WID_VOL_KNB) |
| 823 | wid_caps |= AC_WCAP_CONN_LIST; |
| 824 | |
| 825 | if (wid_caps & AC_WCAP_CONN_LIST) { |
| 826 | conn_len = snd_hda_get_num_raw_conns(codec, nid); |
| 827 | if (conn_len > 0) { |
| 828 | conn = kmalloc(sizeof(hda_nid_t) * conn_len, |
| 829 | GFP_KERNEL); |
| 830 | if (!conn) |
| 831 | return; |
| 832 | if (snd_hda_get_raw_connections(codec, nid, conn, |
| 833 | conn_len) < 0) |
| 834 | conn_len = 0; |
| 835 | } |
| 836 | } |
| 837 | |
| 838 | if (wid_caps & AC_WCAP_IN_AMP) { |
| 839 | snd_iprintf(buffer, " Amp-In caps: "); |
| 840 | print_amp_caps(buffer, codec, nid, HDA_INPUT); |
| 841 | snd_iprintf(buffer, " Amp-In vals: "); |
| 842 | if (wid_type == AC_WID_PIN || |
| 843 | (codec->single_adc_amp && |
| 844 | wid_type == AC_WID_AUD_IN)) |
| 845 | print_amp_vals(buffer, codec, nid, HDA_INPUT, |
| 846 | wid_caps, 1); |
| 847 | else |
| 848 | print_amp_vals(buffer, codec, nid, HDA_INPUT, |
| 849 | wid_caps, conn_len); |
| 850 | } |
| 851 | if (wid_caps & AC_WCAP_OUT_AMP) { |
| 852 | snd_iprintf(buffer, " Amp-Out caps: "); |
| 853 | print_amp_caps(buffer, codec, nid, HDA_OUTPUT); |
| 854 | snd_iprintf(buffer, " Amp-Out vals: "); |
| 855 | if (wid_type == AC_WID_PIN && |
| 856 | codec->pin_amp_workaround) |
| 857 | print_amp_vals(buffer, codec, nid, HDA_OUTPUT, |
| 858 | wid_caps, conn_len); |
| 859 | else |
| 860 | print_amp_vals(buffer, codec, nid, HDA_OUTPUT, |
| 861 | wid_caps, 1); |
| 862 | } |
| 863 | |
| 864 | switch (wid_type) { |
| 865 | case AC_WID_PIN: { |
| 866 | int supports_vref; |
| 867 | print_pin_caps(buffer, codec, nid, &supports_vref); |
| 868 | print_pin_ctls(buffer, codec, nid, supports_vref); |
| 869 | break; |
| 870 | } |
| 871 | case AC_WID_VOL_KNB: |
| 872 | print_vol_knob(buffer, codec, nid); |
| 873 | break; |
| 874 | case AC_WID_AUD_OUT: |
| 875 | case AC_WID_AUD_IN: |
| 876 | print_audio_io(buffer, codec, nid, wid_type); |
| 877 | if (wid_caps & AC_WCAP_DIGITAL) |
| 878 | print_digital_conv(buffer, codec, nid); |
| 879 | if (wid_caps & AC_WCAP_FORMAT_OVRD) { |
| 880 | snd_iprintf(buffer, " PCM:\n"); |
| 881 | print_pcm_caps(buffer, codec, nid); |
| 882 | } |
| 883 | break; |
| 884 | } |
| 885 | |
| 886 | if (wid_caps & AC_WCAP_UNSOL_CAP) |
| 887 | print_unsol_cap(buffer, codec, nid); |
| 888 | |
| 889 | if (wid_caps & AC_WCAP_POWER) |
| 890 | print_power_state(buffer, codec, nid); |
| 891 | |
| 892 | if (wid_caps & AC_WCAP_DELAY) |
| 893 | snd_iprintf(buffer, " Delay: %d samples\n", |
| 894 | (wid_caps & AC_WCAP_DELAY) >> |
| 895 | AC_WCAP_DELAY_SHIFT); |
| 896 | |
| 897 | if (wid_type == AC_WID_PIN && codec->dp_mst) |
| 898 | print_device_list(buffer, codec, nid); |
| 899 | |
| 900 | if (wid_caps & AC_WCAP_CONN_LIST) |
| 901 | print_conn_list(buffer, codec, nid, wid_type, |
| 902 | conn, conn_len); |
| 903 | |
| 904 | if (wid_caps & AC_WCAP_PROC_WID) |
| 905 | print_proc_caps(buffer, codec, nid); |
| 906 | |
| 907 | if (codec->proc_widget_hook) |
| 908 | codec->proc_widget_hook(buffer, codec, nid); |
| 909 | |
| 910 | kfree(conn); |
| 911 | } |
| 912 | snd_hda_power_down(codec); |
| 913 | } |
| 914 | |
| 915 | /* |
| 916 | * create a proc read |
| 917 | */ |
| 918 | int snd_hda_codec_proc_new(struct hda_codec *codec) |
| 919 | { |
| 920 | char name[32]; |
| 921 | struct snd_info_entry *entry; |
| 922 | int err; |
| 923 | |
| 924 | snprintf(name, sizeof(name), "codec#%d", codec->core.addr); |
| 925 | err = snd_card_proc_new(codec->card, name, &entry); |
| 926 | if (err < 0) |
| 927 | return err; |
| 928 | |
| 929 | snd_info_set_text_ops(entry, codec, print_codec_info); |
| 930 | return 0; |
| 931 | } |
| 932 | |