[ARM] pxa: update defconfig for Verdex Pro
[linux-2.6/verdex.git] / sound / pci / hda / hda_local.h
blob5f1dcc59002b4a610f0bff8b6455e9d1205f42a9
1 /*
2 * Universal Interface for Intel High Definition Audio Codec
4 * Local helper functions
6 * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
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.
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.
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.
23 #ifndef __SOUND_HDA_LOCAL_H
24 #define __SOUND_HDA_LOCAL_H
27 * for mixer controls
29 #define HDA_COMPOSE_AMP_VAL_OFS(nid,chs,idx,dir,ofs) \
30 ((nid) | ((chs)<<16) | ((dir)<<18) | ((idx)<<19) | ((ofs)<<23))
31 #define HDA_COMPOSE_AMP_VAL(nid,chs,idx,dir) \
32 HDA_COMPOSE_AMP_VAL_OFS(nid, chs, idx, dir, 0)
33 /* mono volume with index (index=0,1,...) (channel=1,2) */
34 #define HDA_CODEC_VOLUME_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \
35 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \
36 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
37 SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
38 SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \
39 .info = snd_hda_mixer_amp_volume_info, \
40 .get = snd_hda_mixer_amp_volume_get, \
41 .put = snd_hda_mixer_amp_volume_put, \
42 .tlv = { .c = snd_hda_mixer_amp_tlv }, \
43 .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) }
44 /* stereo volume with index */
45 #define HDA_CODEC_VOLUME_IDX(xname, xcidx, nid, xindex, direction) \
46 HDA_CODEC_VOLUME_MONO_IDX(xname, xcidx, nid, 3, xindex, direction)
47 /* mono volume */
48 #define HDA_CODEC_VOLUME_MONO(xname, nid, channel, xindex, direction) \
49 HDA_CODEC_VOLUME_MONO_IDX(xname, 0, nid, channel, xindex, direction)
50 /* stereo volume */
51 #define HDA_CODEC_VOLUME(xname, nid, xindex, direction) \
52 HDA_CODEC_VOLUME_MONO(xname, nid, 3, xindex, direction)
53 /* mono mute switch with index (index=0,1,...) (channel=1,2) */
54 #define HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \
55 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \
56 .info = snd_hda_mixer_amp_switch_info, \
57 .get = snd_hda_mixer_amp_switch_get, \
58 .put = snd_hda_mixer_amp_switch_put, \
59 .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) }
60 /* stereo mute switch with index */
61 #define HDA_CODEC_MUTE_IDX(xname, xcidx, nid, xindex, direction) \
62 HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, 3, xindex, direction)
63 /* mono mute switch */
64 #define HDA_CODEC_MUTE_MONO(xname, nid, channel, xindex, direction) \
65 HDA_CODEC_MUTE_MONO_IDX(xname, 0, nid, channel, xindex, direction)
66 /* stereo mute switch */
67 #define HDA_CODEC_MUTE(xname, nid, xindex, direction) \
68 HDA_CODEC_MUTE_MONO(xname, nid, 3, xindex, direction)
70 int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
71 struct snd_ctl_elem_info *uinfo);
72 int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
73 struct snd_ctl_elem_value *ucontrol);
74 int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
75 struct snd_ctl_elem_value *ucontrol);
76 int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
77 unsigned int size, unsigned int __user *tlv);
78 int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
79 struct snd_ctl_elem_info *uinfo);
80 int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
81 struct snd_ctl_elem_value *ucontrol);
82 int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
83 struct snd_ctl_elem_value *ucontrol);
84 /* lowlevel accessor with caching; use carefully */
85 int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch,
86 int direction, int index);
87 int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch,
88 int direction, int idx, int mask, int val);
89 int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
90 int dir, int idx, int mask, int val);
91 #ifdef SND_HDA_NEEDS_RESUME
92 void snd_hda_codec_resume_amp(struct hda_codec *codec);
93 #endif
95 void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
96 unsigned int *tlv);
97 struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
98 const char *name);
99 int snd_hda_add_vmaster(struct hda_codec *codec, char *name,
100 unsigned int *tlv, const char **slaves);
101 int snd_hda_codec_reset(struct hda_codec *codec);
103 /* amp value bits */
104 #define HDA_AMP_MUTE 0x80
105 #define HDA_AMP_UNMUTE 0x00
106 #define HDA_AMP_VOLMASK 0x7f
108 /* mono switch binding multiple inputs */
109 #define HDA_BIND_MUTE_MONO(xname, nid, channel, indices, direction) \
110 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = 0, \
111 .info = snd_hda_mixer_amp_switch_info, \
112 .get = snd_hda_mixer_bind_switch_get, \
113 .put = snd_hda_mixer_bind_switch_put, \
114 .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, indices, direction) }
116 /* stereo switch binding multiple inputs */
117 #define HDA_BIND_MUTE(xname,nid,indices,dir) \
118 HDA_BIND_MUTE_MONO(xname,nid,3,indices,dir)
120 int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol,
121 struct snd_ctl_elem_value *ucontrol);
122 int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol,
123 struct snd_ctl_elem_value *ucontrol);
125 /* more generic bound controls */
126 struct hda_ctl_ops {
127 snd_kcontrol_info_t *info;
128 snd_kcontrol_get_t *get;
129 snd_kcontrol_put_t *put;
130 snd_kcontrol_tlv_rw_t *tlv;
133 extern struct hda_ctl_ops snd_hda_bind_vol; /* for bind-volume with TLV */
134 extern struct hda_ctl_ops snd_hda_bind_sw; /* for bind-switch */
136 struct hda_bind_ctls {
137 struct hda_ctl_ops *ops;
138 unsigned long values[];
141 int snd_hda_mixer_bind_ctls_info(struct snd_kcontrol *kcontrol,
142 struct snd_ctl_elem_info *uinfo);
143 int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol *kcontrol,
144 struct snd_ctl_elem_value *ucontrol);
145 int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol,
146 struct snd_ctl_elem_value *ucontrol);
147 int snd_hda_mixer_bind_tlv(struct snd_kcontrol *kcontrol, int op_flag,
148 unsigned int size, unsigned int __user *tlv);
150 #define HDA_BIND_VOL(xname, bindrec) \
151 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
152 .name = xname, \
153 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |\
154 SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
155 SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK,\
156 .info = snd_hda_mixer_bind_ctls_info,\
157 .get = snd_hda_mixer_bind_ctls_get,\
158 .put = snd_hda_mixer_bind_ctls_put,\
159 .tlv = { .c = snd_hda_mixer_bind_tlv },\
160 .private_value = (long) (bindrec) }
161 #define HDA_BIND_SW(xname, bindrec) \
162 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
163 .name = xname, \
164 .info = snd_hda_mixer_bind_ctls_info,\
165 .get = snd_hda_mixer_bind_ctls_get,\
166 .put = snd_hda_mixer_bind_ctls_put,\
167 .private_value = (long) (bindrec) }
170 * SPDIF I/O
172 int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, hda_nid_t nid);
173 int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid);
176 * input MUX helper
178 #define HDA_MAX_NUM_INPUTS 16
179 struct hda_input_mux_item {
180 const char *label;
181 unsigned int index;
183 struct hda_input_mux {
184 unsigned int num_items;
185 struct hda_input_mux_item items[HDA_MAX_NUM_INPUTS];
188 int snd_hda_input_mux_info(const struct hda_input_mux *imux,
189 struct snd_ctl_elem_info *uinfo);
190 int snd_hda_input_mux_put(struct hda_codec *codec,
191 const struct hda_input_mux *imux,
192 struct snd_ctl_elem_value *ucontrol, hda_nid_t nid,
193 unsigned int *cur_val);
196 * Channel mode helper
198 struct hda_channel_mode {
199 int channels;
200 const struct hda_verb *sequence;
203 int snd_hda_ch_mode_info(struct hda_codec *codec,
204 struct snd_ctl_elem_info *uinfo,
205 const struct hda_channel_mode *chmode,
206 int num_chmodes);
207 int snd_hda_ch_mode_get(struct hda_codec *codec,
208 struct snd_ctl_elem_value *ucontrol,
209 const struct hda_channel_mode *chmode,
210 int num_chmodes,
211 int max_channels);
212 int snd_hda_ch_mode_put(struct hda_codec *codec,
213 struct snd_ctl_elem_value *ucontrol,
214 const struct hda_channel_mode *chmode,
215 int num_chmodes,
216 int *max_channelsp);
219 * Multi-channel / digital-out PCM helper
222 enum { HDA_FRONT, HDA_REAR, HDA_CLFE, HDA_SIDE }; /* index for dac_nidx */
223 enum { HDA_DIG_NONE, HDA_DIG_EXCLUSIVE, HDA_DIG_ANALOG_DUP }; /* dig_out_used */
225 struct hda_multi_out {
226 int num_dacs; /* # of DACs, must be more than 1 */
227 hda_nid_t *dac_nids; /* DAC list */
228 hda_nid_t hp_nid; /* optional DAC for HP, 0 when not exists */
229 hda_nid_t extra_out_nid[3]; /* optional DACs, 0 when not exists */
230 hda_nid_t dig_out_nid; /* digital out audio widget */
231 hda_nid_t *slave_dig_outs;
232 int max_channels; /* currently supported analog channels */
233 int dig_out_used; /* current usage of digital out (HDA_DIG_XXX) */
234 int no_share_stream; /* don't share a stream with multiple pins */
235 int share_spdif; /* share SPDIF pin */
236 /* PCM information for both analog and SPDIF DACs */
237 unsigned int analog_rates;
238 unsigned int analog_maxbps;
239 u64 analog_formats;
240 unsigned int spdif_rates;
241 unsigned int spdif_maxbps;
242 u64 spdif_formats;
245 int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
246 struct hda_multi_out *mout);
247 int snd_hda_multi_out_dig_open(struct hda_codec *codec,
248 struct hda_multi_out *mout);
249 int snd_hda_multi_out_dig_close(struct hda_codec *codec,
250 struct hda_multi_out *mout);
251 int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
252 struct hda_multi_out *mout,
253 unsigned int stream_tag,
254 unsigned int format,
255 struct snd_pcm_substream *substream);
256 int snd_hda_multi_out_dig_cleanup(struct hda_codec *codec,
257 struct hda_multi_out *mout);
258 int snd_hda_multi_out_analog_open(struct hda_codec *codec,
259 struct hda_multi_out *mout,
260 struct snd_pcm_substream *substream,
261 struct hda_pcm_stream *hinfo);
262 int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
263 struct hda_multi_out *mout,
264 unsigned int stream_tag,
265 unsigned int format,
266 struct snd_pcm_substream *substream);
267 int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
268 struct hda_multi_out *mout);
271 * generic codec parser
273 #ifdef CONFIG_SND_HDA_GENERIC
274 int snd_hda_parse_generic_codec(struct hda_codec *codec);
275 #else
276 static inline int snd_hda_parse_generic_codec(struct hda_codec *codec)
278 return -ENODEV;
280 #endif
283 * generic proc interface
285 #ifdef CONFIG_PROC_FS
286 int snd_hda_codec_proc_new(struct hda_codec *codec);
287 #else
288 static inline int snd_hda_codec_proc_new(struct hda_codec *codec) { return 0; }
289 #endif
291 #define SND_PRINT_RATES_ADVISED_BUFSIZE 80
292 void snd_print_pcm_rates(int pcm, char *buf, int buflen);
294 #define SND_PRINT_BITS_ADVISED_BUFSIZE 16
295 void snd_print_pcm_bits(int pcm, char *buf, int buflen);
298 * Misc
300 int snd_hda_check_board_config(struct hda_codec *codec, int num_configs,
301 const char **modelnames,
302 const struct snd_pci_quirk *pci_list);
303 int snd_hda_check_board_codec_sid_config(struct hda_codec *codec,
304 int num_configs, const char **models,
305 const struct snd_pci_quirk *tbl);
306 int snd_hda_add_new_ctls(struct hda_codec *codec,
307 struct snd_kcontrol_new *knew);
310 * unsolicited event handler
313 #define HDA_UNSOL_QUEUE_SIZE 64
315 struct hda_bus_unsolicited {
316 /* ring buffer */
317 u32 queue[HDA_UNSOL_QUEUE_SIZE * 2];
318 unsigned int rp, wp;
320 /* workqueue */
321 struct work_struct work;
322 struct hda_bus *bus;
326 * Helper for automatic ping configuration
329 enum {
330 AUTO_PIN_MIC,
331 AUTO_PIN_FRONT_MIC,
332 AUTO_PIN_LINE,
333 AUTO_PIN_FRONT_LINE,
334 AUTO_PIN_CD,
335 AUTO_PIN_AUX,
336 AUTO_PIN_LAST
339 enum {
340 AUTO_PIN_LINE_OUT,
341 AUTO_PIN_SPEAKER_OUT,
342 AUTO_PIN_HP_OUT
345 extern const char *auto_pin_cfg_labels[AUTO_PIN_LAST];
347 #define AUTO_CFG_MAX_OUTS 5
349 struct auto_pin_cfg {
350 int line_outs;
351 /* sorted in the order of Front/Surr/CLFE/Side */
352 hda_nid_t line_out_pins[AUTO_CFG_MAX_OUTS];
353 int speaker_outs;
354 hda_nid_t speaker_pins[AUTO_CFG_MAX_OUTS];
355 int hp_outs;
356 int line_out_type; /* AUTO_PIN_XXX_OUT */
357 hda_nid_t hp_pins[AUTO_CFG_MAX_OUTS];
358 hda_nid_t input_pins[AUTO_PIN_LAST];
359 int dig_outs;
360 hda_nid_t dig_out_pins[2];
361 hda_nid_t dig_in_pin;
362 hda_nid_t mono_out_pin;
363 int dig_out_type[2]; /* HDA_PCM_TYPE_XXX */
364 int dig_in_type; /* HDA_PCM_TYPE_XXX */
367 #define get_defcfg_connect(cfg) \
368 ((cfg & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT)
369 #define get_defcfg_association(cfg) \
370 ((cfg & AC_DEFCFG_DEF_ASSOC) >> AC_DEFCFG_ASSOC_SHIFT)
371 #define get_defcfg_location(cfg) \
372 ((cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT)
373 #define get_defcfg_sequence(cfg) \
374 (cfg & AC_DEFCFG_SEQUENCE)
375 #define get_defcfg_device(cfg) \
376 ((cfg & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT)
378 int snd_hda_parse_pin_def_config(struct hda_codec *codec,
379 struct auto_pin_cfg *cfg,
380 hda_nid_t *ignore_nids);
382 /* amp values */
383 #define AMP_IN_MUTE(idx) (0x7080 | ((idx)<<8))
384 #define AMP_IN_UNMUTE(idx) (0x7000 | ((idx)<<8))
385 #define AMP_OUT_MUTE 0xb080
386 #define AMP_OUT_UNMUTE 0xb000
387 #define AMP_OUT_ZERO 0xb000
388 /* pinctl values */
389 #define PIN_IN (AC_PINCTL_IN_EN)
390 #define PIN_VREFHIZ (AC_PINCTL_IN_EN | AC_PINCTL_VREF_HIZ)
391 #define PIN_VREF50 (AC_PINCTL_IN_EN | AC_PINCTL_VREF_50)
392 #define PIN_VREFGRD (AC_PINCTL_IN_EN | AC_PINCTL_VREF_GRD)
393 #define PIN_VREF80 (AC_PINCTL_IN_EN | AC_PINCTL_VREF_80)
394 #define PIN_VREF100 (AC_PINCTL_IN_EN | AC_PINCTL_VREF_100)
395 #define PIN_OUT (AC_PINCTL_OUT_EN)
396 #define PIN_HP (AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN)
397 #define PIN_HP_AMP (AC_PINCTL_HP_EN)
400 * get widget capabilities
402 static inline u32 get_wcaps(struct hda_codec *codec, hda_nid_t nid)
404 if (nid < codec->start_nid ||
405 nid >= codec->start_nid + codec->num_nodes)
406 return 0;
407 return codec->wcaps[nid - codec->start_nid];
410 /* get the widget type from widget capability bits */
411 #define get_wcaps_type(wcaps) (((wcaps) & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT)
413 static inline unsigned int get_wcaps_channels(u32 wcaps)
415 unsigned int chans;
417 chans = (wcaps & AC_WCAP_CHAN_CNT_EXT) >> 13;
418 chans = ((chans << 1) | 1) + 1;
420 return chans;
423 u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction);
424 int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
425 unsigned int caps);
426 u32 snd_hda_query_pin_caps(struct hda_codec *codec, hda_nid_t nid);
428 int snd_hda_ctl_add(struct hda_codec *codec, struct snd_kcontrol *kctl);
429 void snd_hda_ctls_clear(struct hda_codec *codec);
432 * hwdep interface
434 #ifdef CONFIG_SND_HDA_HWDEP
435 int snd_hda_create_hwdep(struct hda_codec *codec);
436 #else
437 static inline int snd_hda_create_hwdep(struct hda_codec *codec) { return 0; }
438 #endif
440 #ifdef CONFIG_SND_HDA_RECONFIG
441 int snd_hda_hwdep_add_sysfs(struct hda_codec *codec);
442 #else
443 static inline int snd_hda_hwdep_add_sysfs(struct hda_codec *codec)
445 return 0;
447 #endif
449 #ifdef CONFIG_SND_HDA_RECONFIG
450 const char *snd_hda_get_hint(struct hda_codec *codec, const char *key);
451 int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key);
452 #else
453 static inline
454 const char *snd_hda_get_hint(struct hda_codec *codec, const char *key)
456 return NULL;
459 static inline
460 int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key)
462 return -ENOENT;
464 #endif
467 * power-management
470 #ifdef CONFIG_SND_HDA_POWER_SAVE
471 void snd_hda_schedule_power_save(struct hda_codec *codec);
473 struct hda_amp_list {
474 hda_nid_t nid;
475 unsigned char dir;
476 unsigned char idx;
479 struct hda_loopback_check {
480 struct hda_amp_list *amplist;
481 int power_on;
484 int snd_hda_check_amp_list_power(struct hda_codec *codec,
485 struct hda_loopback_check *check,
486 hda_nid_t nid);
487 #endif /* CONFIG_SND_HDA_POWER_SAVE */
490 * AMP control callbacks
492 /* retrieve parameters from private_value */
493 #define get_amp_nid(kc) ((kc)->private_value & 0xffff)
494 #define get_amp_channels(kc) (((kc)->private_value >> 16) & 0x3)
495 #define get_amp_direction(kc) (((kc)->private_value >> 18) & 0x1)
496 #define get_amp_index(kc) (((kc)->private_value >> 19) & 0xf)
497 #define get_amp_offset(kc) (((kc)->private_value >> 23) & 0x3f)
500 * CEA Short Audio Descriptor data
502 struct cea_sad {
503 int channels;
504 int format; /* (format == 0) indicates invalid SAD */
505 int rates;
506 int sample_bits; /* for LPCM */
507 int max_bitrate; /* for AC3...ATRAC */
508 int profile; /* for WMAPRO */
511 #define ELD_FIXED_BYTES 20
512 #define ELD_MAX_MNL 16
513 #define ELD_MAX_SAD 16
516 * ELD: EDID Like Data
518 struct hdmi_eld {
519 int eld_size;
520 int baseline_len;
521 int eld_ver; /* (eld_ver == 0) indicates invalid ELD */
522 int cea_edid_ver;
523 char monitor_name[ELD_MAX_MNL + 1];
524 int manufacture_id;
525 int product_id;
526 u64 port_id;
527 int support_hdcp;
528 int support_ai;
529 int conn_type;
530 int aud_synch_delay;
531 int spk_alloc;
532 int sad_count;
533 struct cea_sad sad[ELD_MAX_SAD];
534 #ifdef CONFIG_PROC_FS
535 struct snd_info_entry *proc_entry;
536 #endif
539 int snd_hdmi_get_eld_size(struct hda_codec *codec, hda_nid_t nid);
540 int snd_hdmi_get_eld(struct hdmi_eld *, struct hda_codec *, hda_nid_t);
541 void snd_hdmi_show_eld(struct hdmi_eld *eld);
543 #ifdef CONFIG_PROC_FS
544 int snd_hda_eld_proc_new(struct hda_codec *codec, struct hdmi_eld *eld);
545 void snd_hda_eld_proc_free(struct hda_codec *codec, struct hdmi_eld *eld);
546 #else
547 static inline int snd_hda_eld_proc_new(struct hda_codec *codec,
548 struct hdmi_eld *eld)
550 return 0;
552 static inline void snd_hda_eld_proc_free(struct hda_codec *codec,
553 struct hdmi_eld *eld)
556 #endif
558 #define SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE 80
559 void snd_print_channel_allocation(int spk_alloc, char *buf, int buflen);
561 #endif /* __SOUND_HDA_LOCAL_H */