hda_local.h 16 KB

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  1. /*
  2. * Universal Interface for Intel High Definition Audio Codec
  3. *
  4. * Local helper functions
  5. *
  6. * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
  7. *
  8. * This program is free software; you can redistribute it and/or modify it
  9. * under the terms of the GNU General Public License as published by the Free
  10. * Software Foundation; either version 2 of the License, or (at your option)
  11. * any later version.
  12. *
  13. * This program is distributed in the hope that it will be useful, but WITHOUT
  14. * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  15. * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  16. * more details.
  17. *
  18. * You should have received a copy of the GNU General Public License along with
  19. * this program; if not, write to the Free Software Foundation, Inc., 59
  20. * Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  21. */
  22. #ifndef __SOUND_HDA_LOCAL_H
  23. #define __SOUND_HDA_LOCAL_H
  24. /*
  25. * for mixer controls
  26. */
  27. #define HDA_COMPOSE_AMP_VAL(nid,chs,idx,dir) \
  28. ((nid) | ((chs)<<16) | ((dir)<<18) | ((idx)<<19))
  29. /* mono volume with index (index=0,1,...) (channel=1,2) */
  30. #define HDA_CODEC_VOLUME_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \
  31. { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \
  32. .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
  33. SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
  34. SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \
  35. .info = snd_hda_mixer_amp_volume_info, \
  36. .get = snd_hda_mixer_amp_volume_get, \
  37. .put = snd_hda_mixer_amp_volume_put, \
  38. .tlv = { .c = snd_hda_mixer_amp_tlv }, \
  39. .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) }
  40. /* stereo volume with index */
  41. #define HDA_CODEC_VOLUME_IDX(xname, xcidx, nid, xindex, direction) \
  42. HDA_CODEC_VOLUME_MONO_IDX(xname, xcidx, nid, 3, xindex, direction)
  43. /* mono volume */
  44. #define HDA_CODEC_VOLUME_MONO(xname, nid, channel, xindex, direction) \
  45. HDA_CODEC_VOLUME_MONO_IDX(xname, 0, nid, channel, xindex, direction)
  46. /* stereo volume */
  47. #define HDA_CODEC_VOLUME(xname, nid, xindex, direction) \
  48. HDA_CODEC_VOLUME_MONO(xname, nid, 3, xindex, direction)
  49. /* mono mute switch with index (index=0,1,...) (channel=1,2) */
  50. #define HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \
  51. { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \
  52. .info = snd_hda_mixer_amp_switch_info, \
  53. .get = snd_hda_mixer_amp_switch_get, \
  54. .put = snd_hda_mixer_amp_switch_put, \
  55. .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) }
  56. /* stereo mute switch with index */
  57. #define HDA_CODEC_MUTE_IDX(xname, xcidx, nid, xindex, direction) \
  58. HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, 3, xindex, direction)
  59. /* mono mute switch */
  60. #define HDA_CODEC_MUTE_MONO(xname, nid, channel, xindex, direction) \
  61. HDA_CODEC_MUTE_MONO_IDX(xname, 0, nid, channel, xindex, direction)
  62. /* stereo mute switch */
  63. #define HDA_CODEC_MUTE(xname, nid, xindex, direction) \
  64. HDA_CODEC_MUTE_MONO(xname, nid, 3, xindex, direction)
  65. int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
  66. struct snd_ctl_elem_info *uinfo);
  67. int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
  68. struct snd_ctl_elem_value *ucontrol);
  69. int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
  70. struct snd_ctl_elem_value *ucontrol);
  71. int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
  72. unsigned int size, unsigned int __user *tlv);
  73. int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
  74. struct snd_ctl_elem_info *uinfo);
  75. int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
  76. struct snd_ctl_elem_value *ucontrol);
  77. int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
  78. struct snd_ctl_elem_value *ucontrol);
  79. /* lowlevel accessor with caching; use carefully */
  80. int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch,
  81. int direction, int index);
  82. int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch,
  83. int direction, int idx, int mask, int val);
  84. int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
  85. int dir, int idx, int mask, int val);
  86. #ifdef SND_HDA_NEEDS_RESUME
  87. void snd_hda_codec_resume_amp(struct hda_codec *codec);
  88. #endif
  89. void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
  90. unsigned int *tlv);
  91. struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
  92. const char *name);
  93. int snd_hda_add_vmaster(struct hda_codec *codec, char *name,
  94. unsigned int *tlv, const char **slaves);
  95. void snd_hda_codec_reset(struct hda_codec *codec);
  96. int snd_hda_codec_configure(struct hda_codec *codec);
  97. /* amp value bits */
  98. #define HDA_AMP_MUTE 0x80
  99. #define HDA_AMP_UNMUTE 0x00
  100. #define HDA_AMP_VOLMASK 0x7f
  101. /* mono switch binding multiple inputs */
  102. #define HDA_BIND_MUTE_MONO(xname, nid, channel, indices, direction) \
  103. { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = 0, \
  104. .info = snd_hda_mixer_amp_switch_info, \
  105. .get = snd_hda_mixer_bind_switch_get, \
  106. .put = snd_hda_mixer_bind_switch_put, \
  107. .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, indices, direction) }
  108. /* stereo switch binding multiple inputs */
  109. #define HDA_BIND_MUTE(xname,nid,indices,dir) \
  110. HDA_BIND_MUTE_MONO(xname,nid,3,indices,dir)
  111. int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol,
  112. struct snd_ctl_elem_value *ucontrol);
  113. int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol,
  114. struct snd_ctl_elem_value *ucontrol);
  115. /* more generic bound controls */
  116. struct hda_ctl_ops {
  117. snd_kcontrol_info_t *info;
  118. snd_kcontrol_get_t *get;
  119. snd_kcontrol_put_t *put;
  120. snd_kcontrol_tlv_rw_t *tlv;
  121. };
  122. extern struct hda_ctl_ops snd_hda_bind_vol; /* for bind-volume with TLV */
  123. extern struct hda_ctl_ops snd_hda_bind_sw; /* for bind-switch */
  124. struct hda_bind_ctls {
  125. struct hda_ctl_ops *ops;
  126. long values[];
  127. };
  128. int snd_hda_mixer_bind_ctls_info(struct snd_kcontrol *kcontrol,
  129. struct snd_ctl_elem_info *uinfo);
  130. int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol *kcontrol,
  131. struct snd_ctl_elem_value *ucontrol);
  132. int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol,
  133. struct snd_ctl_elem_value *ucontrol);
  134. int snd_hda_mixer_bind_tlv(struct snd_kcontrol *kcontrol, int op_flag,
  135. unsigned int size, unsigned int __user *tlv);
  136. #define HDA_BIND_VOL(xname, bindrec) \
  137. { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
  138. .name = xname, \
  139. .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |\
  140. SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
  141. SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK,\
  142. .info = snd_hda_mixer_bind_ctls_info,\
  143. .get = snd_hda_mixer_bind_ctls_get,\
  144. .put = snd_hda_mixer_bind_ctls_put,\
  145. .tlv = { .c = snd_hda_mixer_bind_tlv },\
  146. .private_value = (long) (bindrec) }
  147. #define HDA_BIND_SW(xname, bindrec) \
  148. { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
  149. .name = xname, \
  150. .info = snd_hda_mixer_bind_ctls_info,\
  151. .get = snd_hda_mixer_bind_ctls_get,\
  152. .put = snd_hda_mixer_bind_ctls_put,\
  153. .private_value = (long) (bindrec) }
  154. /*
  155. * SPDIF I/O
  156. */
  157. int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, hda_nid_t nid);
  158. int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid);
  159. /*
  160. * input MUX helper
  161. */
  162. #define HDA_MAX_NUM_INPUTS 16
  163. struct hda_input_mux_item {
  164. const char *label;
  165. unsigned int index;
  166. };
  167. struct hda_input_mux {
  168. unsigned int num_items;
  169. struct hda_input_mux_item items[HDA_MAX_NUM_INPUTS];
  170. };
  171. int snd_hda_input_mux_info(const struct hda_input_mux *imux,
  172. struct snd_ctl_elem_info *uinfo);
  173. int snd_hda_input_mux_put(struct hda_codec *codec,
  174. const struct hda_input_mux *imux,
  175. struct snd_ctl_elem_value *ucontrol, hda_nid_t nid,
  176. unsigned int *cur_val);
  177. /*
  178. * Channel mode helper
  179. */
  180. struct hda_channel_mode {
  181. int channels;
  182. const struct hda_verb *sequence;
  183. };
  184. int snd_hda_ch_mode_info(struct hda_codec *codec,
  185. struct snd_ctl_elem_info *uinfo,
  186. const struct hda_channel_mode *chmode,
  187. int num_chmodes);
  188. int snd_hda_ch_mode_get(struct hda_codec *codec,
  189. struct snd_ctl_elem_value *ucontrol,
  190. const struct hda_channel_mode *chmode,
  191. int num_chmodes,
  192. int max_channels);
  193. int snd_hda_ch_mode_put(struct hda_codec *codec,
  194. struct snd_ctl_elem_value *ucontrol,
  195. const struct hda_channel_mode *chmode,
  196. int num_chmodes,
  197. int *max_channelsp);
  198. /*
  199. * Multi-channel / digital-out PCM helper
  200. */
  201. enum { HDA_FRONT, HDA_REAR, HDA_CLFE, HDA_SIDE }; /* index for dac_nidx */
  202. enum { HDA_DIG_NONE, HDA_DIG_EXCLUSIVE, HDA_DIG_ANALOG_DUP }; /* dig_out_used */
  203. struct hda_multi_out {
  204. int num_dacs; /* # of DACs, must be more than 1 */
  205. hda_nid_t *dac_nids; /* DAC list */
  206. hda_nid_t hp_nid; /* optional DAC for HP, 0 when not exists */
  207. hda_nid_t extra_out_nid[3]; /* optional DACs, 0 when not exists */
  208. hda_nid_t dig_out_nid; /* digital out audio widget */
  209. int max_channels; /* currently supported analog channels */
  210. int dig_out_used; /* current usage of digital out (HDA_DIG_XXX) */
  211. int no_share_stream; /* don't share a stream with multiple pins */
  212. int share_spdif; /* share SPDIF pin */
  213. /* PCM information for both analog and SPDIF DACs */
  214. unsigned int analog_rates;
  215. unsigned int analog_maxbps;
  216. u64 analog_formats;
  217. unsigned int spdif_rates;
  218. unsigned int spdif_maxbps;
  219. u64 spdif_formats;
  220. };
  221. int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
  222. struct hda_multi_out *mout);
  223. int snd_hda_multi_out_dig_open(struct hda_codec *codec,
  224. struct hda_multi_out *mout);
  225. int snd_hda_multi_out_dig_close(struct hda_codec *codec,
  226. struct hda_multi_out *mout);
  227. int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
  228. struct hda_multi_out *mout,
  229. unsigned int stream_tag,
  230. unsigned int format,
  231. struct snd_pcm_substream *substream);
  232. int snd_hda_multi_out_analog_open(struct hda_codec *codec,
  233. struct hda_multi_out *mout,
  234. struct snd_pcm_substream *substream,
  235. struct hda_pcm_stream *hinfo);
  236. int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
  237. struct hda_multi_out *mout,
  238. unsigned int stream_tag,
  239. unsigned int format,
  240. struct snd_pcm_substream *substream);
  241. int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
  242. struct hda_multi_out *mout);
  243. /*
  244. * generic codec parser
  245. */
  246. #ifdef CONFIG_SND_HDA_GENERIC
  247. int snd_hda_parse_generic_codec(struct hda_codec *codec);
  248. #else
  249. static inline int snd_hda_parse_generic_codec(struct hda_codec *codec)
  250. {
  251. return -ENODEV;
  252. }
  253. #endif
  254. /*
  255. * generic proc interface
  256. */
  257. #ifdef CONFIG_PROC_FS
  258. int snd_hda_codec_proc_new(struct hda_codec *codec);
  259. #else
  260. static inline int snd_hda_codec_proc_new(struct hda_codec *codec) { return 0; }
  261. #endif
  262. #define SND_PRINT_RATES_ADVISED_BUFSIZE 80
  263. void snd_print_pcm_rates(int pcm, char *buf, int buflen);
  264. #define SND_PRINT_BITS_ADVISED_BUFSIZE 16
  265. void snd_print_pcm_bits(int pcm, char *buf, int buflen);
  266. /*
  267. * Misc
  268. */
  269. int snd_hda_check_board_config(struct hda_codec *codec, int num_configs,
  270. const char **modelnames,
  271. const struct snd_pci_quirk *pci_list);
  272. int snd_hda_check_board_codec_sid_config(struct hda_codec *codec,
  273. int num_configs, const char **models,
  274. const struct snd_pci_quirk *tbl);
  275. int snd_hda_add_new_ctls(struct hda_codec *codec,
  276. struct snd_kcontrol_new *knew);
  277. /*
  278. * unsolicited event handler
  279. */
  280. #define HDA_UNSOL_QUEUE_SIZE 64
  281. struct hda_bus_unsolicited {
  282. /* ring buffer */
  283. u32 queue[HDA_UNSOL_QUEUE_SIZE * 2];
  284. unsigned int rp, wp;
  285. /* workqueue */
  286. struct work_struct work;
  287. struct hda_bus *bus;
  288. };
  289. /*
  290. * Helper for automatic ping configuration
  291. */
  292. enum {
  293. AUTO_PIN_MIC,
  294. AUTO_PIN_FRONT_MIC,
  295. AUTO_PIN_LINE,
  296. AUTO_PIN_FRONT_LINE,
  297. AUTO_PIN_CD,
  298. AUTO_PIN_AUX,
  299. AUTO_PIN_LAST
  300. };
  301. enum {
  302. AUTO_PIN_LINE_OUT,
  303. AUTO_PIN_SPEAKER_OUT,
  304. AUTO_PIN_HP_OUT
  305. };
  306. extern const char *auto_pin_cfg_labels[AUTO_PIN_LAST];
  307. #define AUTO_CFG_MAX_OUTS 5
  308. struct auto_pin_cfg {
  309. int line_outs;
  310. /* sorted in the order of Front/Surr/CLFE/Side */
  311. hda_nid_t line_out_pins[AUTO_CFG_MAX_OUTS];
  312. int speaker_outs;
  313. hda_nid_t speaker_pins[AUTO_CFG_MAX_OUTS];
  314. int hp_outs;
  315. int line_out_type; /* AUTO_PIN_XXX_OUT */
  316. hda_nid_t hp_pins[AUTO_CFG_MAX_OUTS];
  317. hda_nid_t input_pins[AUTO_PIN_LAST];
  318. hda_nid_t dig_out_pin;
  319. hda_nid_t dig_in_pin;
  320. hda_nid_t mono_out_pin;
  321. };
  322. #define get_defcfg_connect(cfg) \
  323. ((cfg & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT)
  324. #define get_defcfg_association(cfg) \
  325. ((cfg & AC_DEFCFG_DEF_ASSOC) >> AC_DEFCFG_ASSOC_SHIFT)
  326. #define get_defcfg_location(cfg) \
  327. ((cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT)
  328. #define get_defcfg_sequence(cfg) \
  329. (cfg & AC_DEFCFG_SEQUENCE)
  330. #define get_defcfg_device(cfg) \
  331. ((cfg & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT)
  332. int snd_hda_parse_pin_def_config(struct hda_codec *codec,
  333. struct auto_pin_cfg *cfg,
  334. hda_nid_t *ignore_nids);
  335. /* amp values */
  336. #define AMP_IN_MUTE(idx) (0x7080 | ((idx)<<8))
  337. #define AMP_IN_UNMUTE(idx) (0x7000 | ((idx)<<8))
  338. #define AMP_OUT_MUTE 0xb080
  339. #define AMP_OUT_UNMUTE 0xb000
  340. #define AMP_OUT_ZERO 0xb000
  341. /* pinctl values */
  342. #define PIN_IN (AC_PINCTL_IN_EN)
  343. #define PIN_VREFHIZ (AC_PINCTL_IN_EN | AC_PINCTL_VREF_HIZ)
  344. #define PIN_VREF50 (AC_PINCTL_IN_EN | AC_PINCTL_VREF_50)
  345. #define PIN_VREFGRD (AC_PINCTL_IN_EN | AC_PINCTL_VREF_GRD)
  346. #define PIN_VREF80 (AC_PINCTL_IN_EN | AC_PINCTL_VREF_80)
  347. #define PIN_VREF100 (AC_PINCTL_IN_EN | AC_PINCTL_VREF_100)
  348. #define PIN_OUT (AC_PINCTL_OUT_EN)
  349. #define PIN_HP (AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN)
  350. #define PIN_HP_AMP (AC_PINCTL_HP_EN)
  351. /*
  352. * get widget capabilities
  353. */
  354. static inline u32 get_wcaps(struct hda_codec *codec, hda_nid_t nid)
  355. {
  356. if (nid < codec->start_nid ||
  357. nid >= codec->start_nid + codec->num_nodes)
  358. return 0;
  359. return codec->wcaps[nid - codec->start_nid];
  360. }
  361. u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction);
  362. int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
  363. unsigned int caps);
  364. int snd_hda_ctl_add(struct hda_codec *codec, struct snd_kcontrol *kctl);
  365. void snd_hda_ctls_clear(struct hda_codec *codec);
  366. /*
  367. * hwdep interface
  368. */
  369. #ifdef CONFIG_SND_HDA_HWDEP
  370. int snd_hda_create_hwdep(struct hda_codec *codec);
  371. #else
  372. static inline int snd_hda_create_hwdep(struct hda_codec *codec) { return 0; }
  373. #endif
  374. #ifdef CONFIG_SND_HDA_RECONFIG
  375. int snd_hda_hwdep_add_sysfs(struct hda_codec *codec);
  376. #else
  377. static inline int snd_hda_hwdep_add_sysfs(struct hda_codec *codec)
  378. {
  379. return 0;
  380. }
  381. #endif
  382. /*
  383. * power-management
  384. */
  385. #ifdef CONFIG_SND_HDA_POWER_SAVE
  386. void snd_hda_schedule_power_save(struct hda_codec *codec);
  387. struct hda_amp_list {
  388. hda_nid_t nid;
  389. unsigned char dir;
  390. unsigned char idx;
  391. };
  392. struct hda_loopback_check {
  393. struct hda_amp_list *amplist;
  394. int power_on;
  395. };
  396. int snd_hda_check_amp_list_power(struct hda_codec *codec,
  397. struct hda_loopback_check *check,
  398. hda_nid_t nid);
  399. #endif /* CONFIG_SND_HDA_POWER_SAVE */
  400. /*
  401. * AMP control callbacks
  402. */
  403. /* retrieve parameters from private_value */
  404. #define get_amp_nid(kc) ((kc)->private_value & 0xffff)
  405. #define get_amp_channels(kc) (((kc)->private_value >> 16) & 0x3)
  406. #define get_amp_direction(kc) (((kc)->private_value >> 18) & 0x1)
  407. #define get_amp_index(kc) (((kc)->private_value >> 19) & 0xf)
  408. /*
  409. * CEA Short Audio Descriptor data
  410. */
  411. struct cea_sad {
  412. int channels;
  413. int format; /* (format == 0) indicates invalid SAD */
  414. int rates;
  415. int sample_bits; /* for LPCM */
  416. int max_bitrate; /* for AC3...ATRAC */
  417. int profile; /* for WMAPRO */
  418. };
  419. #define ELD_FIXED_BYTES 20
  420. #define ELD_MAX_MNL 16
  421. #define ELD_MAX_SAD 16
  422. /*
  423. * ELD: EDID Like Data
  424. */
  425. struct hdmi_eld {
  426. int eld_size;
  427. int baseline_len;
  428. int eld_ver; /* (eld_ver == 0) indicates invalid ELD */
  429. int cea_edid_ver;
  430. char monitor_name[ELD_MAX_MNL + 1];
  431. int manufacture_id;
  432. int product_id;
  433. u64 port_id;
  434. int support_hdcp;
  435. int support_ai;
  436. int conn_type;
  437. int aud_synch_delay;
  438. int spk_alloc;
  439. int sad_count;
  440. struct cea_sad sad[ELD_MAX_SAD];
  441. #ifdef CONFIG_PROC_FS
  442. struct snd_info_entry *proc_entry;
  443. #endif
  444. };
  445. int snd_hdmi_get_eld_size(struct hda_codec *codec, hda_nid_t nid);
  446. int snd_hdmi_get_eld(struct hdmi_eld *, struct hda_codec *, hda_nid_t);
  447. void snd_hdmi_show_eld(struct hdmi_eld *eld);
  448. #ifdef CONFIG_PROC_FS
  449. int snd_hda_eld_proc_new(struct hda_codec *codec, struct hdmi_eld *eld);
  450. void snd_hda_eld_proc_free(struct hda_codec *codec, struct hdmi_eld *eld);
  451. #else
  452. static inline int snd_hda_eld_proc_new(struct hda_codec *codec,
  453. struct hdmi_eld *eld)
  454. {
  455. return 0;
  456. }
  457. static inline void snd_hda_eld_proc_free(struct hda_codec *codec,
  458. struct hdmi_eld *eld)
  459. {
  460. }
  461. #endif
  462. #define SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE 80
  463. void snd_print_channel_allocation(int spk_alloc, char *buf, int buflen);
  464. #endif /* __SOUND_HDA_LOCAL_H */