LXR linux/include/sound/soc.h

   1/*
   2 * linux/sound/soc.h -- ALSA SoC Layer
   3 *
   4 * Author:              Liam Girdwood
   5 * Created:             Aug 11th 2005
   6 * Copyright:   Wolfson Microelectronics. PLC.
   7 *
   8 * This program is free software; you can redistribute it and/or modify
   9 * it under the terms of the GNU General Public License version 2 as
  10 * published by the Free Software Foundation.
  11 */
  12
  13#ifndef __LINUX_SND_SOC_H
  14#define __LINUX_SND_SOC_H
  15
  16#include <linux/platform_device.h>
  17#include <linux/types.h>
  18#include <linux/workqueue.h>
  19#include <linux/interrupt.h>
  20#include <linux/kernel.h>
  21#include <sound/core.h>
  22#include <sound/pcm.h>
  23#include <sound/control.h>
  24#include <sound/ac97_codec.h>
  25
  26/*
  27 * Convenience kcontrol builders
  28 */
  29#define SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert) \
  30        ((unsigned long)&(struct soc_mixer_control) \
  31        {.reg = xreg, .shift = xshift, .rshift = xshift, .max = xmax, \
  32        .invert = xinvert})
  33#define SOC_SINGLE_VALUE_EXT(xreg, xmax, xinvert) \
  34        ((unsigned long)&(struct soc_mixer_control) \
  35        {.reg = xreg, .max = xmax, .invert = xinvert})
  36#define SOC_SINGLE(xname, reg, shift, max, invert) \
  37{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
  38        .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
  39        .put = snd_soc_put_volsw, \
  40        .private_value =  SOC_SINGLE_VALUE(reg, shift, max, invert) }
  41#define SOC_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \
  42{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
  43        .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
  44                 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
  45        .tlv.p = (tlv_array), \
  46        .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
  47        .put = snd_soc_put_volsw, \
  48        .private_value =  SOC_SINGLE_VALUE(reg, shift, max, invert) }
  49#define SOC_DOUBLE(xname, xreg, shift_left, shift_right, xmax, xinvert) \
  50{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
  51        .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
  52        .put = snd_soc_put_volsw, \
  53        .private_value = (unsigned long)&(struct soc_mixer_control) \
  54                {.reg = xreg, .shift = shift_left, .rshift = shift_right, \
  55                 .max = xmax, .invert = xinvert} }
  56#define SOC_DOUBLE_R(xname, reg_left, reg_right, xshift, xmax, xinvert) \
  57{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
  58        .info = snd_soc_info_volsw_2r, \
  59        .get = snd_soc_get_volsw_2r, .put = snd_soc_put_volsw_2r, \
  60        .private_value = (unsigned long)&(struct soc_mixer_control) \
  61                {.reg = reg_left, .rreg = reg_right, .shift = xshift, \
  62                .max = xmax, .invert = xinvert} }
  63#define SOC_DOUBLE_TLV(xname, xreg, shift_left, shift_right, xmax, xinvert, tlv_array) \
  64{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
  65        .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
  66                 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
  67        .tlv.p = (tlv_array), \
  68        .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
  69        .put = snd_soc_put_volsw, \
  70        .private_value = (unsigned long)&(struct soc_mixer_control) \
  71                {.reg = xreg, .shift = shift_left, .rshift = shift_right,\
  72                 .max = xmax, .invert = xinvert} }
  73#define SOC_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert, tlv_array) \
  74{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
  75        .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
  76                 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
  77        .tlv.p = (tlv_array), \
  78        .info = snd_soc_info_volsw_2r, \
  79        .get = snd_soc_get_volsw_2r, .put = snd_soc_put_volsw_2r, \
  80        .private_value = (unsigned long)&(struct soc_mixer_control) \
  81                {.reg = reg_left, .rreg = reg_right, .shift = xshift, \
  82                .max = xmax, .invert = xinvert} }
  83#define SOC_DOUBLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \
  84{       .iface  = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
  85        .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
  86                  SNDRV_CTL_ELEM_ACCESS_READWRITE, \
  87        .tlv.p  = (tlv_array), \
  88        .info   = snd_soc_info_volsw_s8, .get = snd_soc_get_volsw_s8, \
  89        .put    = snd_soc_put_volsw_s8, \
  90        .private_value = (unsigned long)&(struct soc_mixer_control) \
  91                {.reg = xreg, .min = xmin, .max = xmax} }
  92#define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmax, xtexts) \
  93{       .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
  94        .max = xmax, .texts = xtexts }
  95#define SOC_ENUM_SINGLE(xreg, xshift, xmax, xtexts) \
  96        SOC_ENUM_DOUBLE(xreg, xshift, xshift, xmax, xtexts)
  97#define SOC_ENUM_SINGLE_EXT(xmax, xtexts) \
  98{       .max = xmax, .texts = xtexts }
  99#define SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xmax, xtexts, xvalues) \
 100{       .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
 101        .mask = xmask, .max = xmax, .texts = xtexts, .values = xvalues}
 102#define SOC_VALUE_ENUM_SINGLE(xreg, xshift, xmask, xmax, xtexts, xvalues) \
 103        SOC_VALUE_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xmax, xtexts, xvalues)
 104#define SOC_ENUM(xname, xenum) \
 105{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\
 106        .info = snd_soc_info_enum_double, \
 107        .get = snd_soc_get_enum_double, .put = snd_soc_put_enum_double, \
 108        .private_value = (unsigned long)&xenum }
 109#define SOC_VALUE_ENUM(xname, xenum) \
 110{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\
 111        .info = snd_soc_info_enum_double, \
 112        .get = snd_soc_get_value_enum_double, \
 113        .put = snd_soc_put_value_enum_double, \
 114        .private_value = (unsigned long)&xenum }
 115#define SOC_SINGLE_EXT(xname, xreg, xshift, xmax, xinvert,\
 116         xhandler_get, xhandler_put) \
 117{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 118        .info = snd_soc_info_volsw, \
 119        .get = xhandler_get, .put = xhandler_put, \
 120        .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert) }
 121#define SOC_DOUBLE_EXT(xname, xreg, shift_left, shift_right, xmax, xinvert,\
 122         xhandler_get, xhandler_put) \
 123{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
 124        .info = snd_soc_info_volsw, \
 125        .get = xhandler_get, .put = xhandler_put, \
 126        .private_value = (unsigned long)&(struct soc_mixer_control) \
 127                {.reg = xreg, .shift = shift_left, .rshift = shift_right, \
 128                 .max = xmax, .invert = xinvert} }
 129#define SOC_SINGLE_EXT_TLV(xname, xreg, xshift, xmax, xinvert,\
 130         xhandler_get, xhandler_put, tlv_array) \
 131{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 132        .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
 133                 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 134        .tlv.p = (tlv_array), \
 135        .info = snd_soc_info_volsw, \
 136        .get = xhandler_get, .put = xhandler_put, \
 137        .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert) }
 138#define SOC_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) \
 139{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 140        .info = snd_soc_info_bool_ext, \
 141        .get = xhandler_get, .put = xhandler_put, \
 142        .private_value = xdata }
 143#define SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \
 144{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 145        .info = snd_soc_info_enum_ext, \
 146        .get = xhandler_get, .put = xhandler_put, \
 147        .private_value = (unsigned long)&xenum }
 148
 149/*
 150 * Bias levels
 151 *
 152 * @ON:      Bias is fully on for audio playback and capture operations.
 153 * @PREPARE: Prepare for audio operations. Called before DAPM switching for
 154 *           stream start and stop operations.
 155 * @STANDBY: Low power standby state when no playback/capture operations are
 156 *           in progress. NOTE: The transition time between STANDBY and ON
 157 *           should be as fast as possible and no longer than 10ms.
 158 * @OFF:     Power Off. No restrictions on transition times.
 159 */
 160enum snd_soc_bias_level {
 161        SND_SOC_BIAS_ON,
 162        SND_SOC_BIAS_PREPARE,
 163        SND_SOC_BIAS_STANDBY,
 164        SND_SOC_BIAS_OFF,
 165};
 166
 167struct snd_jack;
 168struct snd_soc_card;
 169struct snd_soc_device;
 170struct snd_soc_pcm_stream;
 171struct snd_soc_ops;
 172struct snd_soc_dai_mode;
 173struct snd_soc_pcm_runtime;
 174struct snd_soc_dai;
 175struct snd_soc_platform;
 176struct snd_soc_codec;
 177struct soc_enum;
 178struct snd_soc_ac97_ops;
 179struct snd_soc_jack;
 180struct snd_soc_jack_pin;
 181#ifdef CONFIG_GPIOLIB
 182struct snd_soc_jack_gpio;
 183#endif
 184
 185typedef int (*hw_write_t)(void *,const char* ,int);
 186typedef int (*hw_read_t)(void *,char* ,int);
 187
 188extern struct snd_ac97_bus_ops soc_ac97_ops;
 189
 190int snd_soc_register_platform(struct snd_soc_platform *platform);
 191void snd_soc_unregister_platform(struct snd_soc_platform *platform);
 192int snd_soc_register_codec(struct snd_soc_codec *codec);
 193void snd_soc_unregister_codec(struct snd_soc_codec *codec);
 194
 195/* pcm <-> DAI connect */
 196void snd_soc_free_pcms(struct snd_soc_device *socdev);
 197int snd_soc_new_pcms(struct snd_soc_device *socdev, int idx, const char *xid);
 198int snd_soc_init_card(struct snd_soc_device *socdev);
 199
 200/* set runtime hw params */
 201int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream,
 202        const struct snd_pcm_hardware *hw);
 203
 204/* Jack reporting */
 205int snd_soc_jack_new(struct snd_soc_card *card, const char *id, int type,
 206                     struct snd_soc_jack *jack);
 207void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask);
 208int snd_soc_jack_add_pins(struct snd_soc_jack *jack, int count,
 209                          struct snd_soc_jack_pin *pins);
 210#ifdef CONFIG_GPIOLIB
 211int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
 212                        struct snd_soc_jack_gpio *gpios);
 213void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
 214                        struct snd_soc_jack_gpio *gpios);
 215#endif
 216
 217/* codec register bit access */
 218int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned short reg,
 219                                unsigned short mask, unsigned short value);
 220int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned short reg,
 221                                unsigned short mask, unsigned short value);
 222
 223int snd_soc_new_ac97_codec(struct snd_soc_codec *codec,
 224        struct snd_ac97_bus_ops *ops, int num);
 225void snd_soc_free_ac97_codec(struct snd_soc_codec *codec);
 226
 227/*
 228 *Controls
 229 */
 230struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
 231        void *data, char *long_name);
 232int snd_soc_add_controls(struct snd_soc_codec *codec,
 233        const struct snd_kcontrol_new *controls, int num_controls);
 234int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
 235        struct snd_ctl_elem_info *uinfo);
 236int snd_soc_info_enum_ext(struct snd_kcontrol *kcontrol,
 237        struct snd_ctl_elem_info *uinfo);
 238int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol,
 239        struct snd_ctl_elem_value *ucontrol);
 240int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
 241        struct snd_ctl_elem_value *ucontrol);
 242int snd_soc_get_value_enum_double(struct snd_kcontrol *kcontrol,
 243        struct snd_ctl_elem_value *ucontrol);
 244int snd_soc_put_value_enum_double(struct snd_kcontrol *kcontrol,
 245        struct snd_ctl_elem_value *ucontrol);
 246int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
 247        struct snd_ctl_elem_info *uinfo);
 248int snd_soc_info_volsw_ext(struct snd_kcontrol *kcontrol,
 249        struct snd_ctl_elem_info *uinfo);
 250#define snd_soc_info_bool_ext           snd_ctl_boolean_mono_info
 251int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
 252        struct snd_ctl_elem_value *ucontrol);
 253int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
 254        struct snd_ctl_elem_value *ucontrol);
 255int snd_soc_info_volsw_2r(struct snd_kcontrol *kcontrol,
 256        struct snd_ctl_elem_info *uinfo);
 257int snd_soc_get_volsw_2r(struct snd_kcontrol *kcontrol,
 258        struct snd_ctl_elem_value *ucontrol);
 259int snd_soc_put_volsw_2r(struct snd_kcontrol *kcontrol,
 260        struct snd_ctl_elem_value *ucontrol);
 261int snd_soc_info_volsw_s8(struct snd_kcontrol *kcontrol,
 262        struct snd_ctl_elem_info *uinfo);
 263int snd_soc_get_volsw_s8(struct snd_kcontrol *kcontrol,
 264        struct snd_ctl_elem_value *ucontrol);
 265int snd_soc_put_volsw_s8(struct snd_kcontrol *kcontrol,
 266        struct snd_ctl_elem_value *ucontrol);
 267
 268/**
 269 * struct snd_soc_jack_pin - Describes a pin to update based on jack detection
 270 *
 271 * @pin:    name of the pin to update
 272 * @mask:   bits to check for in reported jack status
 273 * @invert: if non-zero then pin is enabled when status is not reported
 274 */
 275struct snd_soc_jack_pin {
 276        struct list_head list;
 277        const char *pin;
 278        int mask;
 279        bool invert;
 280};
 281
 282/**
 283 * struct snd_soc_jack_gpio - Describes a gpio pin for jack detection
 284 *
 285 * @gpio:         gpio number
 286 * @name:         gpio name
 287 * @report:       value to report when jack detected
 288 * @invert:       report presence in low state
 289 * @debouce_time: debouce time in ms
 290 */
 291#ifdef CONFIG_GPIOLIB
 292struct snd_soc_jack_gpio {
 293        unsigned int gpio;
 294        const char *name;
 295        int report;
 296        int invert;
 297        int debounce_time;
 298        struct snd_soc_jack *jack;
 299        struct work_struct work;
 300};
 301#endif
 302
 303struct snd_soc_jack {
 304        struct snd_jack *jack;
 305        struct snd_soc_card *card;
 306        struct list_head pins;
 307        int status;
 308};
 309
 310/* SoC PCM stream information */
 311struct snd_soc_pcm_stream {
 312        char *stream_name;
 313        u64 formats;                    /* SNDRV_PCM_FMTBIT_* */
 314        unsigned int rates;             /* SNDRV_PCM_RATE_* */
 315        unsigned int rate_min;          /* min rate */
 316        unsigned int rate_max;          /* max rate */
 317        unsigned int channels_min;      /* min channels */
 318        unsigned int channels_max;      /* max channels */
 319        unsigned int active:1;          /* stream is in use */
 320};
 321
 322/* SoC audio ops */
 323struct snd_soc_ops {
 324        int (*startup)(struct snd_pcm_substream *);
 325        void (*shutdown)(struct snd_pcm_substream *);
 326        int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *);
 327        int (*hw_free)(struct snd_pcm_substream *);
 328        int (*prepare)(struct snd_pcm_substream *);
 329        int (*trigger)(struct snd_pcm_substream *, int);
 330};
 331
 332/* SoC Audio Codec */
 333struct snd_soc_codec {
 334        char *name;
 335        struct module *owner;
 336        struct mutex mutex;
 337        struct device *dev;
 338        struct snd_soc_device *socdev;
 339
 340        struct list_head list;
 341
 342        /* callbacks */
 343        int (*set_bias_level)(struct snd_soc_codec *,
 344                              enum snd_soc_bias_level level);
 345
 346        /* runtime */
 347        struct snd_card *card;
 348        struct snd_ac97 *ac97;  /* for ad-hoc ac97 devices */
 349        unsigned int active;
 350        unsigned int pcm_devs;
 351        void *private_data;
 352
 353        /* codec IO */
 354        void *control_data; /* codec control (i2c/3wire) data */
 355        unsigned int (*read)(struct snd_soc_codec *, unsigned int);
 356        int (*write)(struct snd_soc_codec *, unsigned int, unsigned int);
 357        int (*display_register)(struct snd_soc_codec *, char *,
 358                                size_t, unsigned int);
 359        hw_write_t hw_write;
 360        hw_read_t hw_read;
 361        void *reg_cache;
 362        short reg_cache_size;
 363        short reg_cache_step;
 364
 365        /* dapm */
 366        u32 pop_time;
 367        struct list_head dapm_widgets;
 368        struct list_head dapm_paths;
 369        enum snd_soc_bias_level bias_level;
 370        enum snd_soc_bias_level suspend_bias_level;
 371        struct delayed_work delayed_work;
 372        struct list_head up_list;
 373        struct list_head down_list;
 374
 375        /* codec DAI's */
 376        struct snd_soc_dai *dai;
 377        unsigned int num_dai;
 378
 379#ifdef CONFIG_DEBUG_FS
 380        struct dentry *debugfs_reg;
 381        struct dentry *debugfs_pop_time;
 382#endif
 383};
 384
 385/* codec device */
 386struct snd_soc_codec_device {
 387        int (*probe)(struct platform_device *pdev);
 388        int (*remove)(struct platform_device *pdev);
 389        int (*suspend)(struct platform_device *pdev, pm_message_t state);
 390        int (*resume)(struct platform_device *pdev);
 391};
 392
 393/* SoC platform interface */
 394struct snd_soc_platform {
 395        char *name;
 396        struct list_head list;
 397
 398        int (*probe)(struct platform_device *pdev);
 399        int (*remove)(struct platform_device *pdev);
 400        int (*suspend)(struct snd_soc_dai *dai);
 401        int (*resume)(struct snd_soc_dai *dai);
 402
 403        /* pcm creation and destruction */
 404        int (*pcm_new)(struct snd_card *, struct snd_soc_dai *,
 405                struct snd_pcm *);
 406        void (*pcm_free)(struct snd_pcm *);
 407
 408        /* platform stream ops */
 409        struct snd_pcm_ops *pcm_ops;
 410};
 411
 412/* SoC machine DAI configuration, glues a codec and cpu DAI together */
 413struct snd_soc_dai_link  {
 414        char *name;                     /* Codec name */
 415        char *stream_name;              /* Stream name */
 416
 417        /* DAI */
 418        struct snd_soc_dai *codec_dai;
 419        struct snd_soc_dai *cpu_dai;
 420
 421        /* machine stream operations */
 422        struct snd_soc_ops *ops;
 423
 424        /* codec/machine specific init - e.g. add machine controls */
 425        int (*init)(struct snd_soc_codec *codec);
 426
 427        /* Symmetry requirements */
 428        unsigned int symmetric_rates:1;
 429
 430        /* Symmetry data - only valid if symmetry is being enforced */
 431        unsigned int rate;
 432
 433        /* DAI pcm */
 434        struct snd_pcm *pcm;
 435};
 436
 437/* SoC card */
 438struct snd_soc_card {
 439        char *name;
 440        struct device *dev;
 441
 442        struct list_head list;
 443
 444        int instantiated;
 445
 446        int (*probe)(struct platform_device *pdev);
 447        int (*remove)(struct platform_device *pdev);
 448
 449        /* the pre and post PM functions are used to do any PM work before and
 450         * after the codec and DAI's do any PM work. */
 451        int (*suspend_pre)(struct platform_device *pdev, pm_message_t state);
 452        int (*suspend_post)(struct platform_device *pdev, pm_message_t state);
 453        int (*resume_pre)(struct platform_device *pdev);
 454        int (*resume_post)(struct platform_device *pdev);
 455
 456        /* callbacks */
 457        int (*set_bias_level)(struct snd_soc_card *,
 458                              enum snd_soc_bias_level level);
 459
 460        /* CPU <--> Codec DAI links  */
 461        struct snd_soc_dai_link *dai_link;
 462        int num_links;
 463
 464        struct snd_soc_device *socdev;
 465
 466        struct snd_soc_codec *codec;
 467
 468        struct snd_soc_platform *platform;
 469        struct delayed_work delayed_work;
 470        struct work_struct deferred_resume_work;
 471};
 472
 473/* SoC Device - the audio subsystem */
 474struct snd_soc_device {
 475        struct device *dev;
 476        struct snd_soc_card *card;
 477        struct snd_soc_codec_device *codec_dev;
 478        void *codec_data;
 479};
 480
 481/* runtime channel data */
 482struct snd_soc_pcm_runtime {
 483        struct snd_soc_dai_link *dai;
 484        struct snd_soc_device *socdev;
 485};
 486
 487/* mixer control */
 488struct soc_mixer_control {
 489        int min, max;
 490        unsigned int reg, rreg, shift, rshift, invert;
 491};
 492
 493/* enumerated kcontrol */
 494struct soc_enum {
 495        unsigned short reg;
 496        unsigned short reg2;
 497        unsigned char shift_l;
 498        unsigned char shift_r;
 499        unsigned int max;
 500        unsigned int mask;
 501        const char **texts;
 502        const unsigned int *values;
 503        void *dapm;
 504};
 505
 506/* codec IO */
 507static inline unsigned int snd_soc_read(struct snd_soc_codec *codec,
 508                                        unsigned int reg)
 509{
 510        return codec->read(codec, reg);
 511}
 512
 513static inline unsigned int snd_soc_write(struct snd_soc_codec *codec,
 514                                         unsigned int reg, unsigned int val)
 515{
 516        return codec->write(codec, reg, val);
 517}
 518
 519#include <sound/soc-dai.h>
 520
 521#endif
 522