include/sound/hda_codec.h

0001 /* SPDX-License-Identifier: GPL-2.0-or-later */
0002 /*
0003  * Universal Interface for Intel High Definition Audio Codec
0004  *
0005  * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
0006  */
0007
0008 #ifndef __SOUND_HDA_CODEC_H
0009 #define __SOUND_HDA_CODEC_H
0010
0011 #include <linux/refcount.h>
0012 #include <linux/mod_devicetable.h>
0013 #include <sound/info.h>
0014 #include <sound/control.h>
0015 #include <sound/pcm.h>
0016 #include <sound/hwdep.h>
0017 #include <sound/hdaudio.h>
0018 #include <sound/hda_verbs.h>
0019 #include <sound/hda_regmap.h>
0020
0021 #define IS_BXT(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x5a98)
0022 #define IS_CFL(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0xa348)
0023
0024 /*
0025  * Structures
0026  */
0027
0028 struct hda_bus;
0029 struct hda_beep;
0030 struct hda_codec;
0031 struct hda_pcm;
0032 struct hda_pcm_stream;
0033
0034 /*
0035  * codec bus
0036  *
0037  * each controller needs to creata a hda_bus to assign the accessor.
0038  * A hda_bus contains several codecs in the list codec_list.
0039  */
0040 struct hda_bus {
0041     struct hdac_bus core;
0042
0043     struct snd_card *card;
0044
0045     struct pci_dev *pci;
0046     const char *modelname;
0047
0048     struct mutex prepare_mutex;
0049
0050     /* assigned PCMs */
0051     DECLARE_BITMAP(pcm_dev_bits, SNDRV_PCM_DEVICES);
0052
0053     /* misc op flags */
0054     unsigned int allow_bus_reset:1; /* allow bus reset at fatal error */
0055     /* status for codec/controller */
0056     unsigned int shutdown :1;   /* being unloaded */
0057     unsigned int response_reset:1;  /* controller was reset */
0058     unsigned int in_reset:1;    /* during reset operation */
0059     unsigned int no_response_fallback:1; /* don't fallback at RIRB error */
0060     unsigned int bus_probing :1;    /* during probing process */
0061     unsigned int keep_power:1;  /* keep power up for notification */
0062     unsigned int jackpoll_in_suspend:1; /* keep jack polling during
0063                          * runtime suspend
0064                          */
0065
0066     int primary_dig_out_type;   /* primary digital out PCM type */
0067     unsigned int mixer_assigned;    /* codec addr for mixer name */
0068 };
0069
0070 /* from hdac_bus to hda_bus */
0071 #define to_hda_bus(bus)     container_of(bus, struct hda_bus, core)
0072
0073 /*
0074  * codec preset
0075  *
0076  * Known codecs have the patch to build and set up the controls/PCMs
0077  * better than the generic parser.
0078  */
0079 typedef int (*hda_codec_patch_t)(struct hda_codec *);
0080
0081 #define HDA_CODEC_ID_SKIP_PROBE     0x00000001
0082 #define HDA_CODEC_ID_GENERIC_HDMI   0x00000101
0083 #define HDA_CODEC_ID_GENERIC        0x00000201
0084
0085 #define HDA_CODEC_REV_ENTRY(_vid, _rev, _name, _patch) \
0086     { .vendor_id = (_vid), .rev_id = (_rev), .name = (_name), \
0087       .api_version = HDA_DEV_LEGACY, \
0088       .driver_data = (unsigned long)(_patch) }
0089 #define HDA_CODEC_ENTRY(_vid, _name, _patch) \
0090     HDA_CODEC_REV_ENTRY(_vid, 0, _name, _patch)
0091
0092 struct hda_codec_driver {
0093     struct hdac_driver core;
0094     const struct hda_device_id *id;
0095 };
0096
0097 int __hda_codec_driver_register(struct hda_codec_driver *drv, const char *name,
0098                    struct module *owner);
0099 #define hda_codec_driver_register(drv) \
0100     __hda_codec_driver_register(drv, KBUILD_MODNAME, THIS_MODULE)
0101 void hda_codec_driver_unregister(struct hda_codec_driver *drv);
0102 #define module_hda_codec_driver(drv) \
0103     module_driver(drv, hda_codec_driver_register, \
0104               hda_codec_driver_unregister)
0105
0106 /* ops set by the preset patch */
0107 struct hda_codec_ops {
0108     int (*build_controls)(struct hda_codec *codec);
0109     int (*build_pcms)(struct hda_codec *codec);
0110     int (*init)(struct hda_codec *codec);
0111     void (*free)(struct hda_codec *codec);
0112     void (*unsol_event)(struct hda_codec *codec, unsigned int res);
0113     void (*set_power_state)(struct hda_codec *codec, hda_nid_t fg,
0114                 unsigned int power_state);
0115 #ifdef CONFIG_PM
0116     int (*suspend)(struct hda_codec *codec);
0117     int (*resume)(struct hda_codec *codec);
0118     int (*check_power_status)(struct hda_codec *codec, hda_nid_t nid);
0119 #endif
0120     void (*stream_pm)(struct hda_codec *codec, hda_nid_t nid, bool on);
0121 };
0122
0123 /* PCM callbacks */
0124 struct hda_pcm_ops {
0125     int (*open)(struct hda_pcm_stream *info, struct hda_codec *codec,
0126             struct snd_pcm_substream *substream);
0127     int (*close)(struct hda_pcm_stream *info, struct hda_codec *codec,
0128              struct snd_pcm_substream *substream);
0129     int (*prepare)(struct hda_pcm_stream *info, struct hda_codec *codec,
0130                unsigned int stream_tag, unsigned int format,
0131                struct snd_pcm_substream *substream);
0132     int (*cleanup)(struct hda_pcm_stream *info, struct hda_codec *codec,
0133                struct snd_pcm_substream *substream);
0134     unsigned int (*get_delay)(struct hda_pcm_stream *info,
0135                   struct hda_codec *codec,
0136                   struct snd_pcm_substream *substream);
0137 };
0138
0139 /* PCM information for each substream */
0140 struct hda_pcm_stream {
0141     unsigned int substreams;    /* number of substreams, 0 = not exist*/
0142     unsigned int channels_min;  /* min. number of channels */
0143     unsigned int channels_max;  /* max. number of channels */
0144     hda_nid_t nid;  /* default NID to query rates/formats/bps, or set up */
0145     u32 rates;  /* supported rates */
0146     u64 formats;    /* supported formats (SNDRV_PCM_FMTBIT_) */
0147     unsigned int maxbps;    /* supported max. bit per sample */
0148     const struct snd_pcm_chmap_elem *chmap; /* chmap to override */
0149     struct hda_pcm_ops ops;
0150 };
0151
0152 /* PCM types */
0153 enum {
0154     HDA_PCM_TYPE_AUDIO,
0155     HDA_PCM_TYPE_SPDIF,
0156     HDA_PCM_TYPE_HDMI,
0157     HDA_PCM_TYPE_MODEM,
0158     HDA_PCM_NTYPES
0159 };
0160
0161 #define SNDRV_PCM_INVALID_DEVICE    (-1)
0162 /* for PCM creation */
0163 struct hda_pcm {
0164     char *name;
0165     struct hda_pcm_stream stream[2];
0166     unsigned int pcm_type;  /* HDA_PCM_TYPE_XXX */
0167     int device;     /* device number to assign */
0168     struct snd_pcm *pcm;    /* assigned PCM instance */
0169     bool own_chmap;     /* codec driver provides own channel maps */
0170     /* private: */
0171     struct hda_codec *codec;
0172     struct list_head list;
0173     unsigned int disconnected:1;
0174 };
0175
0176 /* codec information */
0177 struct hda_codec {
0178     struct hdac_device core;
0179     struct hda_bus *bus;
0180     struct snd_card *card;
0181     unsigned int addr;  /* codec addr*/
0182     u32 probe_id; /* overridden id for probing */
0183
0184     /* detected preset */
0185     const struct hda_device_id *preset;
0186     const char *modelname;  /* model name for preset */
0187
0188     /* set by patch */
0189     struct hda_codec_ops patch_ops;
0190
0191     /* PCM to create, set by patch_ops.build_pcms callback */
0192     struct list_head pcm_list_head;
0193     refcount_t pcm_ref;
0194     wait_queue_head_t remove_sleep;
0195
0196     /* codec specific info */
0197     void *spec;
0198
0199     /* beep device */
0200     struct hda_beep *beep;
0201     unsigned int beep_mode;
0202
0203     /* widget capabilities cache */
0204     u32 *wcaps;
0205
0206     struct snd_array mixers;    /* list of assigned mixer elements */
0207     struct snd_array nids;      /* list of mapped mixer elements */
0208
0209     struct list_head conn_list; /* linked-list of connection-list */
0210
0211     struct mutex spdif_mutex;
0212     struct mutex control_mutex;
0213     struct snd_array spdif_out;
0214     unsigned int spdif_in_enable;   /* SPDIF input enable? */
0215     const hda_nid_t *follower_dig_outs; /* optional digital out follower widgets */
0216     struct snd_array init_pins; /* initial (BIOS) pin configurations */
0217     struct snd_array driver_pins;   /* pin configs set by codec parser */
0218     struct snd_array cvt_setups;    /* audio convert setups */
0219
0220     struct mutex user_mutex;
0221 #ifdef CONFIG_SND_HDA_RECONFIG
0222     struct snd_array init_verbs;    /* additional init verbs */
0223     struct snd_array hints;     /* additional hints */
0224     struct snd_array user_pins; /* default pin configs to override */
0225 #endif
0226
0227 #ifdef CONFIG_SND_HDA_HWDEP
0228     struct snd_hwdep *hwdep;    /* assigned hwdep device */
0229 #endif
0230
0231     /* misc flags */
0232     unsigned int configured:1; /* codec was configured */
0233     unsigned int in_freeing:1; /* being released */
0234     unsigned int display_power_control:1; /* needs display power */
0235     unsigned int spdif_status_reset :1; /* needs to toggle SPDIF for each
0236                          * status change
0237                          * (e.g. Realtek codecs)
0238                          */
0239     unsigned int pin_amp_workaround:1; /* pin out-amp takes index
0240                         * (e.g. Conexant codecs)
0241                         */
0242     unsigned int single_adc_amp:1; /* adc in-amp takes no index
0243                     * (e.g. CX20549 codec)
0244                     */
0245     unsigned int no_sticky_stream:1; /* no sticky-PCM stream assignment */
0246     unsigned int pins_shutup:1; /* pins are shut up */
0247     unsigned int no_trigger_sense:1; /* don't trigger at pin-sensing */
0248     unsigned int no_jack_detect:1;  /* Machine has no jack-detection */
0249     unsigned int inv_eapd:1; /* broken h/w: inverted EAPD control */
0250     unsigned int inv_jack_detect:1; /* broken h/w: inverted detection bit */
0251     unsigned int pcm_format_first:1; /* PCM format must be set first */
0252     unsigned int cached_write:1;    /* write only to caches */
0253     unsigned int dp_mst:1; /* support DP1.2 Multi-stream transport */
0254     unsigned int dump_coef:1; /* dump processing coefs in codec proc file */
0255     unsigned int power_save_node:1; /* advanced PM for each widget */
0256     unsigned int auto_runtime_pm:1; /* enable automatic codec runtime pm */
0257     unsigned int force_pin_prefix:1; /* Add location prefix */
0258     unsigned int link_down_at_suspend:1; /* link down at runtime suspend */
0259     unsigned int relaxed_resume:1;  /* don't resume forcibly for jack */
0260     unsigned int forced_resume:1; /* forced resume for jack */
0261     unsigned int mst_no_extra_pcms:1; /* no backup PCMs for DP-MST */
0262
0263 #ifdef CONFIG_PM
0264     unsigned long power_on_acct;
0265     unsigned long power_off_acct;
0266     unsigned long power_jiffies;
0267 #endif
0268
0269     /* filter the requested power state per nid */
0270     unsigned int (*power_filter)(struct hda_codec *codec, hda_nid_t nid,
0271                      unsigned int power_state);
0272
0273     /* codec-specific additional proc output */
0274     void (*proc_widget_hook)(struct snd_info_buffer *buffer,
0275                  struct hda_codec *codec, hda_nid_t nid);
0276
0277     /* jack detection */
0278     struct snd_array jacktbl;
0279     unsigned long jackpoll_interval; /* In jiffies. Zero means no poll, rely on unsol events */
0280     struct delayed_work jackpoll_work;
0281
0282     int depop_delay; /* depop delay in ms, -1 for default delay time */
0283
0284     /* fix-up list */
0285     int fixup_id;
0286     const struct hda_fixup *fixup_list;
0287     const char *fixup_name;
0288
0289     /* additional init verbs */
0290     struct snd_array verbs;
0291 };
0292
0293 #define dev_to_hda_codec(_dev)  container_of(_dev, struct hda_codec, core.dev)
0294 #define hda_codec_dev(_dev) (&(_dev)->core.dev)
0295
0296 #define hdac_to_hda_priv(_hdac) \
0297             container_of(_hdac, struct hdac_hda_priv, codec.core)
0298 #define hdac_to_hda_codec(_hdac) container_of(_hdac, struct hda_codec, core)
0299
0300 #define list_for_each_codec(c, bus) \
0301     list_for_each_entry(c, &(bus)->core.codec_list, core.list)
0302 #define list_for_each_codec_safe(c, n, bus)             \
0303     list_for_each_entry_safe(c, n, &(bus)->core.codec_list, core.list)
0304
0305 /* snd_hda_codec_read/write optional flags */
0306 #define HDA_RW_NO_RESPONSE_FALLBACK (1 << 0)
0307
0308 /*
0309  * constructors
0310  */
0311 __printf(3, 4) struct hda_codec *
0312 snd_hda_codec_device_init(struct hda_bus *bus, unsigned int codec_addr,
0313               const char *fmt, ...);
0314 int snd_hda_codec_new(struct hda_bus *bus, struct snd_card *card,
0315               unsigned int codec_addr, struct hda_codec **codecp);
0316 int snd_hda_codec_device_new(struct hda_bus *bus, struct snd_card *card,
0317               unsigned int codec_addr, struct hda_codec *codec,
0318               bool snddev_managed);
0319 int snd_hda_codec_configure(struct hda_codec *codec);
0320 int snd_hda_codec_update_widgets(struct hda_codec *codec);
0321 void snd_hda_codec_register(struct hda_codec *codec);
0322 void snd_hda_codec_unregister(struct hda_codec *codec);
0323 void snd_hda_codec_cleanup_for_unbind(struct hda_codec *codec);
0324
0325 /*
0326  * low level functions
0327  */
0328 static inline unsigned int
0329 snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid,
0330                 int flags,
0331                 unsigned int verb, unsigned int parm)
0332 {
0333     return snd_hdac_codec_read(&codec->core, nid, flags, verb, parm);
0334 }
0335
0336 static inline int
0337 snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int flags,
0338             unsigned int verb, unsigned int parm)
0339 {
0340     return snd_hdac_codec_write(&codec->core, nid, flags, verb, parm);
0341 }
0342
0343 #define snd_hda_param_read(codec, nid, param) \
0344     snd_hdac_read_parm(&(codec)->core, nid, param)
0345 #define snd_hda_get_sub_nodes(codec, nid, start_nid) \
0346     snd_hdac_get_sub_nodes(&(codec)->core, nid, start_nid)
0347 int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
0348                 hda_nid_t *conn_list, int max_conns);
0349 static inline int
0350 snd_hda_get_num_conns(struct hda_codec *codec, hda_nid_t nid)
0351 {
0352     return snd_hda_get_connections(codec, nid, NULL, 0);
0353 }
0354
0355 #define snd_hda_get_raw_connections(codec, nid, list, max_conns) \
0356     snd_hdac_get_connections(&(codec)->core, nid, list, max_conns)
0357 #define snd_hda_get_num_raw_conns(codec, nid) \
0358     snd_hdac_get_connections(&(codec)->core, nid, NULL, 0)
0359
0360 int snd_hda_get_conn_list(struct hda_codec *codec, hda_nid_t nid,
0361               const hda_nid_t **listp);
0362 int snd_hda_override_conn_list(struct hda_codec *codec, hda_nid_t nid, int nums,
0363               const hda_nid_t *list);
0364 int snd_hda_get_conn_index(struct hda_codec *codec, hda_nid_t mux,
0365                hda_nid_t nid, int recursive);
0366 unsigned int snd_hda_get_num_devices(struct hda_codec *codec, hda_nid_t nid);
0367 int snd_hda_get_devices(struct hda_codec *codec, hda_nid_t nid,
0368             u8 *dev_list, int max_devices);
0369 int snd_hda_get_dev_select(struct hda_codec *codec, hda_nid_t nid);
0370 int snd_hda_set_dev_select(struct hda_codec *codec, hda_nid_t nid, int dev_id);
0371
0372 struct hda_verb {
0373     hda_nid_t nid;
0374     u32 verb;
0375     u32 param;
0376 };
0377
0378 void snd_hda_sequence_write(struct hda_codec *codec,
0379                 const struct hda_verb *seq);
0380
0381 /* cached write */
0382 static inline int
0383 snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid,
0384               int flags, unsigned int verb, unsigned int parm)
0385 {
0386     return snd_hdac_regmap_write(&codec->core, nid, verb, parm);
0387 }
0388
0389 /* the struct for codec->pin_configs */
0390 struct hda_pincfg {
0391     hda_nid_t nid;
0392     unsigned char ctrl; /* original pin control value */
0393     unsigned char target;   /* target pin control value */
0394     unsigned int cfg;   /* default configuration */
0395 };
0396
0397 unsigned int snd_hda_codec_get_pincfg(struct hda_codec *codec, hda_nid_t nid);
0398 int snd_hda_codec_set_pincfg(struct hda_codec *codec, hda_nid_t nid,
0399                  unsigned int cfg);
0400 int snd_hda_add_pincfg(struct hda_codec *codec, struct snd_array *list,
0401                hda_nid_t nid, unsigned int cfg); /* for hwdep */
0402 void snd_hda_shutup_pins(struct hda_codec *codec);
0403
0404 /* SPDIF controls */
0405 struct hda_spdif_out {
0406     hda_nid_t nid;      /* Converter nid values relate to */
0407     unsigned int status;    /* IEC958 status bits */
0408     unsigned short ctls;    /* SPDIF control bits */
0409 };
0410 struct hda_spdif_out *snd_hda_spdif_out_of_nid(struct hda_codec *codec,
0411                            hda_nid_t nid);
0412 void snd_hda_spdif_ctls_unassign(struct hda_codec *codec, int idx);
0413 void snd_hda_spdif_ctls_assign(struct hda_codec *codec, int idx, hda_nid_t nid);
0414
0415 /*
0416  * Mixer
0417  */
0418 int snd_hda_codec_build_controls(struct hda_codec *codec);
0419
0420 /*
0421  * PCM
0422  */
0423 int snd_hda_codec_parse_pcms(struct hda_codec *codec);
0424 int snd_hda_codec_build_pcms(struct hda_codec *codec);
0425
0426 __printf(2, 3)
0427 struct hda_pcm *snd_hda_codec_pcm_new(struct hda_codec *codec,
0428                       const char *fmt, ...);
0429
0430 void snd_hda_codec_cleanup_for_unbind(struct hda_codec *codec);
0431
0432 static inline void snd_hda_codec_pcm_get(struct hda_pcm *pcm)
0433 {
0434     refcount_inc(&pcm->codec->pcm_ref);
0435 }
0436 void snd_hda_codec_pcm_put(struct hda_pcm *pcm);
0437
0438 int snd_hda_codec_prepare(struct hda_codec *codec,
0439               struct hda_pcm_stream *hinfo,
0440               unsigned int stream,
0441               unsigned int format,
0442               struct snd_pcm_substream *substream);
0443 void snd_hda_codec_cleanup(struct hda_codec *codec,
0444                struct hda_pcm_stream *hinfo,
0445                struct snd_pcm_substream *substream);
0446
0447 void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
0448                 u32 stream_tag,
0449                 int channel_id, int format);
0450 void __snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid,
0451                     int do_now);
0452 #define snd_hda_codec_cleanup_stream(codec, nid) \
0453     __snd_hda_codec_cleanup_stream(codec, nid, 0)
0454
0455 #define snd_hda_query_supported_pcm(codec, nid, ratesp, fmtsp, bpsp) \
0456     snd_hdac_query_supported_pcm(&(codec)->core, nid, ratesp, fmtsp, bpsp)
0457 #define snd_hda_is_supported_format(codec, nid, fmt) \
0458     snd_hdac_is_supported_format(&(codec)->core, nid, fmt)
0459
0460 extern const struct snd_pcm_chmap_elem snd_pcm_2_1_chmaps[];
0461
0462 int snd_hda_attach_pcm_stream(struct hda_bus *_bus, struct hda_codec *codec,
0463                   struct hda_pcm *cpcm);
0464
0465 /*
0466  * Misc
0467  */
0468 void snd_hda_get_codec_name(struct hda_codec *codec, char *name, int namelen);
0469 void snd_hda_codec_set_power_to_all(struct hda_codec *codec, hda_nid_t fg,
0470                     unsigned int power_state);
0471
0472 int snd_hda_lock_devices(struct hda_bus *bus);
0473 void snd_hda_unlock_devices(struct hda_bus *bus);
0474 void snd_hda_bus_reset(struct hda_bus *bus);
0475 void snd_hda_bus_reset_codecs(struct hda_bus *bus);
0476
0477 int snd_hda_codec_set_name(struct hda_codec *codec, const char *name);
0478
0479 /*
0480  * power management
0481  */
0482 extern const struct dev_pm_ops hda_codec_driver_pm;
0483
0484 static inline
0485 int hda_call_check_power_status(struct hda_codec *codec, hda_nid_t nid)
0486 {
0487 #ifdef CONFIG_PM
0488     if (codec->patch_ops.check_power_status)
0489         return codec->patch_ops.check_power_status(codec, nid);
0490 #endif
0491     return 0;
0492 }
0493
0494 /*
0495  * power saving
0496  */
0497 #define snd_hda_power_up(codec)     snd_hdac_power_up(&(codec)->core)
0498 #define snd_hda_power_up_pm(codec)  snd_hdac_power_up_pm(&(codec)->core)
0499 #define snd_hda_power_down(codec)   snd_hdac_power_down(&(codec)->core)
0500 #define snd_hda_power_down_pm(codec)    snd_hdac_power_down_pm(&(codec)->core)
0501 #ifdef CONFIG_PM
0502 void snd_hda_codec_set_power_save(struct hda_codec *codec, int delay);
0503 void snd_hda_set_power_save(struct hda_bus *bus, int delay);
0504 void snd_hda_update_power_acct(struct hda_codec *codec);
0505 #else
0506 static inline void snd_hda_codec_set_power_save(struct hda_codec *codec, int delay) {}
0507 static inline void snd_hda_set_power_save(struct hda_bus *bus, int delay) {}
0508 #endif
0509
0510 static inline bool hda_codec_need_resume(struct hda_codec *codec)
0511 {
0512     return !codec->relaxed_resume && codec->jacktbl.used;
0513 }
0514
0515 #ifdef CONFIG_SND_HDA_PATCH_LOADER
0516 /*
0517  * patch firmware
0518  */
0519 int snd_hda_load_patch(struct hda_bus *bus, size_t size, const void *buf);
0520 #endif
0521
0522 #ifdef CONFIG_SND_HDA_DSP_LOADER
0523 int snd_hda_codec_load_dsp_prepare(struct hda_codec *codec, unsigned int format,
0524                    unsigned int size,
0525                    struct snd_dma_buffer *bufp);
0526 void snd_hda_codec_load_dsp_trigger(struct hda_codec *codec, bool start);
0527 void snd_hda_codec_load_dsp_cleanup(struct hda_codec *codec,
0528                     struct snd_dma_buffer *dmab);
0529 #else
0530 static inline int
0531 snd_hda_codec_load_dsp_prepare(struct hda_codec *codec, unsigned int format,
0532                 unsigned int size,
0533                 struct snd_dma_buffer *bufp)
0534 {
0535     return -ENOSYS;
0536 }
0537 static inline void
0538 snd_hda_codec_load_dsp_trigger(struct hda_codec *codec, bool start) {}
0539 static inline void
0540 snd_hda_codec_load_dsp_cleanup(struct hda_codec *codec,
0541                 struct snd_dma_buffer *dmab) {}
0542 #endif
0543
0544 #endif /* __SOUND_HDA_CODEC_H */