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  */
 160 enum 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
 167 struct snd_jack;
 168 struct snd_soc_card;
 169 struct snd_soc_device;
 170 struct snd_soc_pcm_stream;
 171 struct snd_soc_ops;
 172 struct snd_soc_dai_mode;
 173 struct snd_soc_pcm_runtime;
 174 struct snd_soc_dai;
 175 struct snd_soc_platform;
 176 struct snd_soc_codec;
 177 struct soc_enum;
 178 struct snd_soc_ac97_ops;
 179 struct snd_soc_jack;
 180 struct snd_soc_jack_pin;
 181 #ifdef CONFIG_GPIOLIB
 182 struct snd_soc_jack_gpio;
 183 #endif
 184
 185 typedef int (*hw_write_t)(void *,const char* ,int);
 186 typedef int (*hw_read_t)(void *,char* ,int);
 187
 188 extern struct snd_ac97_bus_ops soc_ac97_ops;
 189
 190 int snd_soc_register_platform(struct snd_soc_platform *platform);
 191 void snd_soc_unregister_platform(struct snd_soc_platform *platform);
 192 int snd_soc_register_codec(struct snd_soc_codec *codec);
 193 void snd_soc_unregister_codec(struct snd_soc_codec *codec);
 194
 195 /* pcm <-> DAI connect */
 196 void snd_soc_free_pcms(struct snd_soc_device *socdev);
 197 int snd_soc_new_pcms(struct snd_soc_device *socdev, int idx, const char *xid);
 198 int snd_soc_init_card(struct snd_soc_device *socdev);
 199
 200 /* set runtime hw params */
 201 int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream,
 202         const struct snd_pcm_hardware *hw);
 203
 204 /* Jack reporting */
 205 int snd_soc_jack_new(struct snd_soc_card *card, const char *id, int type,
 206                      struct snd_soc_jack *jack);
 207 void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask);
 208 int snd_soc_jack_add_pins(struct snd_soc_jack *jack, int count,
 209                           struct snd_soc_jack_pin *pins);
 210 #ifdef CONFIG_GPIOLIB
 211 int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
 212                         struct snd_soc_jack_gpio *gpios);
 213 void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
 214                         struct snd_soc_jack_gpio *gpios);
 215 #endif
 216
 217 /* codec IO */
 218 #define snd_soc_read(codec, reg) codec->read(codec, reg)
 219 #define snd_soc_write(codec, reg, value) codec->write(codec, reg, value)
 220
 221 /* codec register bit access */
 222 int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned short reg,
 223                                 unsigned short mask, unsigned short value);
 224 int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned short reg,
 225                                 unsigned short mask, unsigned short value);
 226
 227 int snd_soc_new_ac97_codec(struct snd_soc_codec *codec,
 228         struct snd_ac97_bus_ops *ops, int num);
 229 void snd_soc_free_ac97_codec(struct snd_soc_codec *codec);
 230
 231 /*
 232  *Controls
 233  */
 234 struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
 235         void *data, char *long_name);
 236 int snd_soc_add_controls(struct snd_soc_codec *codec,
 237         const struct snd_kcontrol_new *controls, int num_controls);
 238 int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
 239         struct snd_ctl_elem_info *uinfo);
 240 int snd_soc_info_enum_ext(struct snd_kcontrol *kcontrol,
 241         struct snd_ctl_elem_info *uinfo);
 242 int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol,
 243         struct snd_ctl_elem_value *ucontrol);
 244 int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
 245         struct snd_ctl_elem_value *ucontrol);
 246 int snd_soc_get_value_enum_double(struct snd_kcontrol *kcontrol,
 247         struct snd_ctl_elem_value *ucontrol);
 248 int snd_soc_put_value_enum_double(struct snd_kcontrol *kcontrol,
 249         struct snd_ctl_elem_value *ucontrol);
 250 int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
 251         struct snd_ctl_elem_info *uinfo);
 252 int snd_soc_info_volsw_ext(struct snd_kcontrol *kcontrol,
 253         struct snd_ctl_elem_info *uinfo);
 254 #define snd_soc_info_bool_ext           snd_ctl_boolean_mono_info
 255 int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
 256         struct snd_ctl_elem_value *ucontrol);
 257 int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
 258         struct snd_ctl_elem_value *ucontrol);
 259 int snd_soc_info_volsw_2r(struct snd_kcontrol *kcontrol,
 260         struct snd_ctl_elem_info *uinfo);
 261 int snd_soc_get_volsw_2r(struct snd_kcontrol *kcontrol,
 262         struct snd_ctl_elem_value *ucontrol);
 263 int snd_soc_put_volsw_2r(struct snd_kcontrol *kcontrol,
 264         struct snd_ctl_elem_value *ucontrol);
 265 int snd_soc_info_volsw_s8(struct snd_kcontrol *kcontrol,
 266         struct snd_ctl_elem_info *uinfo);
 267 int snd_soc_get_volsw_s8(struct snd_kcontrol *kcontrol,
 268         struct snd_ctl_elem_value *ucontrol);
 269 int snd_soc_put_volsw_s8(struct snd_kcontrol *kcontrol,
 270         struct snd_ctl_elem_value *ucontrol);
 271
 272 /**
 273  * struct snd_soc_jack_pin - Describes a pin to update based on jack detection
 274  *
 275  * @pin:    name of the pin to update
 276  * @mask:   bits to check for in reported jack status
 277  * @invert: if non-zero then pin is enabled when status is not reported
 278  */
 279 struct snd_soc_jack_pin {
 280         struct list_head list;
 281         const char *pin;
 282         int mask;
 283         bool invert;
 284 };
 285
 286 /**
 287  * struct snd_soc_jack_gpio - Describes a gpio pin for jack detection
 288  *
 289  * @gpio:         gpio number
 290  * @name:         gpio name
 291  * @report:       value to report when jack detected
 292  * @invert:       report presence in low state
 293  * @debouce_time: debouce time in ms
 294  */
 295 #ifdef CONFIG_GPIOLIB
 296 struct snd_soc_jack_gpio {
 297         unsigned int gpio;
 298         const char *name;
 299         int report;
 300         int invert;
 301         int debounce_time;
 302         struct snd_soc_jack *jack;
 303         struct work_struct work;
 304 };
 305 #endif
 306
 307 struct snd_soc_jack {
 308         struct snd_jack *jack;
 309         struct snd_soc_card *card;
 310         struct list_head pins;
 311         int status;
 312 };
 313
 314 /* SoC PCM stream information */
 315 struct snd_soc_pcm_stream {
 316         char *stream_name;
 317         u64 formats;                    /* SNDRV_PCM_FMTBIT_* */
 318         unsigned int rates;             /* SNDRV_PCM_RATE_* */
 319         unsigned int rate_min;          /* min rate */
 320         unsigned int rate_max;          /* max rate */
 321         unsigned int channels_min;      /* min channels */
 322         unsigned int channels_max;      /* max channels */
 323         unsigned int active:1;          /* stream is in use */
 324 };
 325
 326 /* SoC audio ops */
 327 struct snd_soc_ops {
 328         int (*startup)(struct snd_pcm_substream *);
 329         void (*shutdown)(struct snd_pcm_substream *);
 330         int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *);
 331         int (*hw_free)(struct snd_pcm_substream *);
 332         int (*prepare)(struct snd_pcm_substream *);
 333         int (*trigger)(struct snd_pcm_substream *, int);
 334 };
 335
 336 /* SoC Audio Codec */
 337 struct snd_soc_codec {
 338         char *name;
 339         struct module *owner;
 340         struct mutex mutex;
 341         struct device *dev;
 342
 343         struct list_head list;
 344
 345         /* callbacks */
 346         int (*set_bias_level)(struct snd_soc_codec *,
 347                               enum snd_soc_bias_level level);
 348
 349         /* runtime */
 350         struct snd_card *card;
 351         struct snd_ac97 *ac97;  /* for ad-hoc ac97 devices */
 352         unsigned int active;
 353         unsigned int pcm_devs;
 354         void *private_data;
 355
 356         /* codec IO */
 357         void *control_data; /* codec control (i2c/3wire) data */
 358         unsigned int (*read)(struct snd_soc_codec *, unsigned int);
 359         int (*write)(struct snd_soc_codec *, unsigned int, unsigned int);
 360         int (*display_register)(struct snd_soc_codec *, char *,
 361                                 size_t, unsigned int);
 362         hw_write_t hw_write;
 363         hw_read_t hw_read;
 364         void *reg_cache;
 365         short reg_cache_size;
 366         short reg_cache_step;
 367
 368         /* dapm */
 369         u32 pop_time;
 370         struct list_head dapm_widgets;
 371         struct list_head dapm_paths;
 372         enum snd_soc_bias_level bias_level;
 373         enum snd_soc_bias_level suspend_bias_level;
 374         struct delayed_work delayed_work;
 375         struct list_head up_list;
 376         struct list_head down_list;
 377
 378         /* codec DAI's */
 379         struct snd_soc_dai *dai;
 380         unsigned int num_dai;
 381
 382 #ifdef CONFIG_DEBUG_FS
 383         struct dentry *debugfs_reg;
 384         struct dentry *debugfs_pop_time;
 385 #endif
 386 };
 387
 388 /* codec device */
 389 struct snd_soc_codec_device {
 390         int (*probe)(struct platform_device *pdev);
 391         int (*remove)(struct platform_device *pdev);
 392         int (*suspend)(struct platform_device *pdev, pm_message_t state);
 393         int (*resume)(struct platform_device *pdev);
 394 };
 395
 396 /* SoC platform interface */
 397 struct snd_soc_platform {
 398         char *name;
 399         struct list_head list;
 400
 401         int (*probe)(struct platform_device *pdev);
 402         int (*remove)(struct platform_device *pdev);
 403         int (*suspend)(struct snd_soc_dai *dai);
 404         int (*resume)(struct snd_soc_dai *dai);
 405
 406         /* pcm creation and destruction */
 407         int (*pcm_new)(struct snd_card *, struct snd_soc_dai *,
 408                 struct snd_pcm *);
 409         void (*pcm_free)(struct snd_pcm *);
 410
 411         /* platform stream ops */
 412         struct snd_pcm_ops *pcm_ops;
 413 };
 414
 415 /* SoC machine DAI configuration, glues a codec and cpu DAI together */
 416 struct snd_soc_dai_link  {
 417         char *name;                     /* Codec name */
 418         char *stream_name;              /* Stream name */
 419
 420         /* DAI */
 421         struct snd_soc_dai *codec_dai;
 422         struct snd_soc_dai *cpu_dai;
 423
 424         /* machine stream operations */
 425         struct snd_soc_ops *ops;
 426
 427         /* codec/machine specific init - e.g. add machine controls */
 428         int (*init)(struct snd_soc_codec *codec);
 429
 430         /* Symmetry requirements */
 431         unsigned int symmetric_rates:1;
 432
 433         /* Symmetry data - only valid if symmetry is being enforced */
 434         unsigned int rate;
 435
 436         /* DAI pcm */
 437         struct snd_pcm *pcm;
 438 };
 439
 440 /* SoC card */
 441 struct snd_soc_card {
 442         char *name;
 443         struct device *dev;
 444
 445         struct list_head list;
 446
 447         int instantiated;
 448
 449         int (*probe)(struct platform_device *pdev);
 450         int (*remove)(struct platform_device *pdev);
 451
 452         /* the pre and post PM functions are used to do any PM work before and
 453          * after the codec and DAI's do any PM work. */
 454         int (*suspend_pre)(struct platform_device *pdev, pm_message_t state);
 455         int (*suspend_post)(struct platform_device *pdev, pm_message_t state);
 456         int (*resume_pre)(struct platform_device *pdev);
 457         int (*resume_post)(struct platform_device *pdev);
 458
 459         /* callbacks */
 460         int (*set_bias_level)(struct snd_soc_card *,
 461                               enum snd_soc_bias_level level);
 462
 463         /* CPU <--> Codec DAI links  */
 464         struct snd_soc_dai_link *dai_link;
 465         int num_links;
 466
 467         struct snd_soc_device *socdev;
 468
 469         struct snd_soc_codec *codec;
 470
 471         struct snd_soc_platform *platform;
 472         struct delayed_work delayed_work;
 473         struct work_struct deferred_resume_work;
 474 };
 475
 476 /* SoC Device - the audio subsystem */
 477 struct snd_soc_device {
 478         struct device *dev;
 479         struct snd_soc_card *card;
 480         struct snd_soc_codec_device *codec_dev;
 481         void *codec_data;
 482 };
 483
 484 /* runtime channel data */
 485 struct snd_soc_pcm_runtime {
 486         struct snd_soc_dai_link *dai;
 487         struct snd_soc_device *socdev;
 488 };
 489
 490 /* mixer control */
 491 struct soc_mixer_control {
 492         int min, max;
 493         unsigned int reg, rreg, shift, rshift, invert;
 494 };
 495
 496 /* enumerated kcontrol */
 497 struct soc_enum {
 498         unsigned short reg;
 499         unsigned short reg2;
 500         unsigned char shift_l;
 501         unsigned char shift_r;
 502         unsigned int max;
 503         unsigned int mask;
 504         const char **texts;
 505         const unsigned int *values;
 506         void *dapm;
 507 };
 508
 509 #include <sound/soc-dai.h>
 510
 511 #endif