539 lines
20 KiB
C
539 lines
20 KiB
C
/* SPDX-License-Identifier: GPL-2.0
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*
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* soc-component.h
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*
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* Copyright (C) 2019 Renesas Electronics Corp.
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* Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
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*/
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#ifndef __SOC_COMPONENT_H
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#define __SOC_COMPONENT_H
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#include <sound/soc.h>
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/*
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* Component probe and remove ordering levels for components with runtime
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* dependencies.
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*/
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#define SND_SOC_COMP_ORDER_FIRST -2
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#define SND_SOC_COMP_ORDER_EARLY -1
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#define SND_SOC_COMP_ORDER_NORMAL 0
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#define SND_SOC_COMP_ORDER_LATE 1
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#define SND_SOC_COMP_ORDER_LAST 2
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#define for_each_comp_order(order) \
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for (order = SND_SOC_COMP_ORDER_FIRST; \
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order <= SND_SOC_COMP_ORDER_LAST; \
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order++)
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/* component interface */
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struct snd_compress_ops {
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int (*open)(struct snd_soc_component *component,
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struct snd_compr_stream *stream);
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int (*free)(struct snd_soc_component *component,
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struct snd_compr_stream *stream);
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int (*set_params)(struct snd_soc_component *component,
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struct snd_compr_stream *stream,
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struct snd_compr_params *params);
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int (*get_params)(struct snd_soc_component *component,
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struct snd_compr_stream *stream,
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struct snd_codec *params);
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int (*set_metadata)(struct snd_soc_component *component,
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struct snd_compr_stream *stream,
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struct snd_compr_metadata *metadata);
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int (*get_metadata)(struct snd_soc_component *component,
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struct snd_compr_stream *stream,
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struct snd_compr_metadata *metadata);
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int (*trigger)(struct snd_soc_component *component,
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struct snd_compr_stream *stream, int cmd);
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int (*pointer)(struct snd_soc_component *component,
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struct snd_compr_stream *stream,
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struct snd_compr_tstamp *tstamp);
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int (*copy)(struct snd_soc_component *component,
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struct snd_compr_stream *stream, char __user *buf,
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size_t count);
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int (*mmap)(struct snd_soc_component *component,
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struct snd_compr_stream *stream,
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struct vm_area_struct *vma);
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int (*ack)(struct snd_soc_component *component,
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struct snd_compr_stream *stream, size_t bytes);
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int (*get_caps)(struct snd_soc_component *component,
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struct snd_compr_stream *stream,
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struct snd_compr_caps *caps);
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int (*get_codec_caps)(struct snd_soc_component *component,
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struct snd_compr_stream *stream,
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struct snd_compr_codec_caps *codec);
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};
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struct snd_soc_component_driver {
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const char *name;
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/* Default control and setup, added after probe() is run */
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const struct snd_kcontrol_new *controls;
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unsigned int num_controls;
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const struct snd_soc_dapm_widget *dapm_widgets;
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unsigned int num_dapm_widgets;
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const struct snd_soc_dapm_route *dapm_routes;
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unsigned int num_dapm_routes;
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int (*probe)(struct snd_soc_component *component);
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void (*remove)(struct snd_soc_component *component);
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int (*suspend)(struct snd_soc_component *component);
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int (*resume)(struct snd_soc_component *component);
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unsigned int (*read)(struct snd_soc_component *component,
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unsigned int reg);
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int (*write)(struct snd_soc_component *component,
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unsigned int reg, unsigned int val);
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/* pcm creation and destruction */
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int (*pcm_construct)(struct snd_soc_component *component,
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struct snd_soc_pcm_runtime *rtd);
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void (*pcm_destruct)(struct snd_soc_component *component,
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struct snd_pcm *pcm);
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/* component wide operations */
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int (*set_sysclk)(struct snd_soc_component *component,
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int clk_id, int source, unsigned int freq, int dir);
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int (*set_pll)(struct snd_soc_component *component, int pll_id,
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int source, unsigned int freq_in, unsigned int freq_out);
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int (*set_jack)(struct snd_soc_component *component,
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struct snd_soc_jack *jack, void *data);
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int (*get_jack_type)(struct snd_soc_component *component);
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/* DT */
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int (*of_xlate_dai_name)(struct snd_soc_component *component,
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const struct of_phandle_args *args,
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const char **dai_name);
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int (*of_xlate_dai_id)(struct snd_soc_component *comment,
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struct device_node *endpoint);
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void (*seq_notifier)(struct snd_soc_component *component,
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enum snd_soc_dapm_type type, int subseq);
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int (*stream_event)(struct snd_soc_component *component, int event);
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int (*set_bias_level)(struct snd_soc_component *component,
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enum snd_soc_bias_level level);
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int (*open)(struct snd_soc_component *component,
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struct snd_pcm_substream *substream);
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int (*close)(struct snd_soc_component *component,
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struct snd_pcm_substream *substream);
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int (*ioctl)(struct snd_soc_component *component,
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struct snd_pcm_substream *substream,
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unsigned int cmd, void *arg);
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int (*hw_params)(struct snd_soc_component *component,
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struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *params);
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int (*hw_free)(struct snd_soc_component *component,
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struct snd_pcm_substream *substream);
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int (*prepare)(struct snd_soc_component *component,
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struct snd_pcm_substream *substream);
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int (*trigger)(struct snd_soc_component *component,
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struct snd_pcm_substream *substream, int cmd);
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int (*sync_stop)(struct snd_soc_component *component,
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struct snd_pcm_substream *substream);
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snd_pcm_uframes_t (*pointer)(struct snd_soc_component *component,
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struct snd_pcm_substream *substream);
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int (*get_time_info)(struct snd_soc_component *component,
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struct snd_pcm_substream *substream, struct timespec64 *system_ts,
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struct timespec64 *audio_ts,
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struct snd_pcm_audio_tstamp_config *audio_tstamp_config,
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struct snd_pcm_audio_tstamp_report *audio_tstamp_report);
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int (*copy)(struct snd_soc_component *component,
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struct snd_pcm_substream *substream, int channel,
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unsigned long pos, struct iov_iter *iter,
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unsigned long bytes);
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struct page *(*page)(struct snd_soc_component *component,
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struct snd_pcm_substream *substream,
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unsigned long offset);
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int (*mmap)(struct snd_soc_component *component,
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struct snd_pcm_substream *substream,
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struct vm_area_struct *vma);
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int (*ack)(struct snd_soc_component *component,
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struct snd_pcm_substream *substream);
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snd_pcm_sframes_t (*delay)(struct snd_soc_component *component,
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struct snd_pcm_substream *substream);
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const struct snd_compress_ops *compress_ops;
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/* probe ordering - for components with runtime dependencies */
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int probe_order;
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int remove_order;
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/*
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* soc_pcm_trigger() start/stop sequence.
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* see also
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* snd_soc_dai_link
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* soc_pcm_trigger()
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*/
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enum snd_soc_trigger_order trigger_start;
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enum snd_soc_trigger_order trigger_stop;
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/*
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* signal if the module handling the component should not be removed
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* if a pcm is open. Setting this would prevent the module
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* refcount being incremented in probe() but allow it be incremented
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* when a pcm is opened and decremented when it is closed.
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*/
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unsigned int module_get_upon_open:1;
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/* bits */
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unsigned int idle_bias_on:1;
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unsigned int suspend_bias_off:1;
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unsigned int use_pmdown_time:1; /* care pmdown_time at stop */
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/*
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* Indicates that the component does not care about the endianness of
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* PCM audio data and the core will ensure that both LE and BE variants
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* of each used format are present. Typically this is because the
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* component sits behind a bus that abstracts away the endian of the
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* original data, ie. one for which the transmission endian is defined
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* (I2S/SLIMbus/SoundWire), or the concept of endian doesn't exist (PDM,
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* analogue).
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*/
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unsigned int endianness:1;
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unsigned int legacy_dai_naming:1;
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/* this component uses topology and ignore machine driver FEs */
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const char *ignore_machine;
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const char *topology_name_prefix;
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int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd,
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struct snd_pcm_hw_params *params);
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bool use_dai_pcm_id; /* use DAI link PCM ID as PCM device number */
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int be_pcm_base; /* base device ID for all BE PCMs */
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#ifdef CONFIG_DEBUG_FS
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const char *debugfs_prefix;
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#endif
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};
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struct snd_soc_component {
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const char *name;
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int id;
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const char *name_prefix;
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struct device *dev;
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struct snd_soc_card *card;
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unsigned int active;
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unsigned int suspended:1; /* is in suspend PM state */
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struct list_head list;
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struct list_head card_aux_list; /* for auxiliary bound components */
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struct list_head card_list;
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const struct snd_soc_component_driver *driver;
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struct list_head dai_list;
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int num_dai;
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struct regmap *regmap;
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int val_bytes;
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struct mutex io_mutex;
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/* attached dynamic objects */
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struct list_head dobj_list;
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/*
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* DO NOT use any of the fields below in drivers, they are temporary and
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* are going to be removed again soon. If you use them in driver code
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* the driver will be marked as BROKEN when these fields are removed.
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*/
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/* Don't use these, use snd_soc_component_get_dapm() */
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struct snd_soc_dapm_context dapm;
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/* machine specific init */
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int (*init)(struct snd_soc_component *component);
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/* function mark */
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void *mark_module;
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struct snd_pcm_substream *mark_open;
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struct snd_pcm_substream *mark_hw_params;
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struct snd_pcm_substream *mark_trigger;
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struct snd_compr_stream *mark_compr_open;
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void *mark_pm;
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struct dentry *debugfs_root;
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const char *debugfs_prefix;
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};
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#define for_each_component_dais(component, dai)\
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list_for_each_entry(dai, &(component)->dai_list, list)
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#define for_each_component_dais_safe(component, dai, _dai)\
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list_for_each_entry_safe(dai, _dai, &(component)->dai_list, list)
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/**
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* snd_soc_dapm_to_component() - Casts a DAPM context to the component it is
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* embedded in
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* @dapm: The DAPM context to cast to the component
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*
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* This function must only be used on DAPM contexts that are known to be part of
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* a component (e.g. in a component driver). Otherwise the behavior is
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* undefined.
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*/
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static inline struct snd_soc_component *snd_soc_dapm_to_component(
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struct snd_soc_dapm_context *dapm)
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{
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return container_of(dapm, struct snd_soc_component, dapm);
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}
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/**
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* snd_soc_component_get_dapm() - Returns the DAPM context associated with a
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* component
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* @component: The component for which to get the DAPM context
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*/
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static inline struct snd_soc_dapm_context *snd_soc_component_get_dapm(
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struct snd_soc_component *component)
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{
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return &component->dapm;
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}
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/**
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* snd_soc_component_init_bias_level() - Initialize COMPONENT DAPM bias level
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* @component: The COMPONENT for which to initialize the DAPM bias level
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* @level: The DAPM level to initialize to
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*
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* Initializes the COMPONENT DAPM bias level. See snd_soc_dapm_init_bias_level()
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*/
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static inline void
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snd_soc_component_init_bias_level(struct snd_soc_component *component,
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enum snd_soc_bias_level level)
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{
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snd_soc_dapm_init_bias_level(
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snd_soc_component_get_dapm(component), level);
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}
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/**
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* snd_soc_component_get_bias_level() - Get current COMPONENT DAPM bias level
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* @component: The COMPONENT for which to get the DAPM bias level
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*
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* Returns: The current DAPM bias level of the COMPONENT.
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*/
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static inline enum snd_soc_bias_level
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snd_soc_component_get_bias_level(struct snd_soc_component *component)
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{
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return snd_soc_dapm_get_bias_level(
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snd_soc_component_get_dapm(component));
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}
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/**
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* snd_soc_component_force_bias_level() - Set the COMPONENT DAPM bias level
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* @component: The COMPONENT for which to set the level
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* @level: The level to set to
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*
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* Forces the COMPONENT bias level to a specific state. See
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* snd_soc_dapm_force_bias_level().
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*/
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static inline int
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snd_soc_component_force_bias_level(struct snd_soc_component *component,
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enum snd_soc_bias_level level)
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{
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return snd_soc_dapm_force_bias_level(
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snd_soc_component_get_dapm(component),
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level);
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}
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/**
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* snd_soc_dapm_kcontrol_component() - Returns the component associated to a
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* kcontrol
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* @kcontrol: The kcontrol
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*
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* This function must only be used on DAPM contexts that are known to be part of
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* a COMPONENT (e.g. in a COMPONENT driver). Otherwise the behavior is undefined
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*/
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static inline struct snd_soc_component *snd_soc_dapm_kcontrol_component(
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struct snd_kcontrol *kcontrol)
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{
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return snd_soc_dapm_to_component(snd_soc_dapm_kcontrol_dapm(kcontrol));
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}
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/**
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* snd_soc_component_cache_sync() - Sync the register cache with the hardware
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* @component: COMPONENT to sync
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*
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* Note: This function will call regcache_sync()
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*/
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static inline int snd_soc_component_cache_sync(
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struct snd_soc_component *component)
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{
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return regcache_sync(component->regmap);
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}
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void snd_soc_component_set_aux(struct snd_soc_component *component,
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struct snd_soc_aux_dev *aux);
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int snd_soc_component_init(struct snd_soc_component *component);
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int snd_soc_component_is_dummy(struct snd_soc_component *component);
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/* component IO */
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unsigned int snd_soc_component_read(struct snd_soc_component *component,
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unsigned int reg);
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int snd_soc_component_write(struct snd_soc_component *component,
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unsigned int reg, unsigned int val);
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int snd_soc_component_update_bits(struct snd_soc_component *component,
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unsigned int reg, unsigned int mask,
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unsigned int val);
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int snd_soc_component_update_bits_async(struct snd_soc_component *component,
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unsigned int reg, unsigned int mask,
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unsigned int val);
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void snd_soc_component_async_complete(struct snd_soc_component *component);
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int snd_soc_component_test_bits(struct snd_soc_component *component,
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unsigned int reg, unsigned int mask,
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unsigned int value);
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unsigned int snd_soc_component_read_field(struct snd_soc_component *component,
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unsigned int reg, unsigned int mask);
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int snd_soc_component_write_field(struct snd_soc_component *component,
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unsigned int reg, unsigned int mask,
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unsigned int val);
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/* component wide operations */
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int snd_soc_component_set_sysclk(struct snd_soc_component *component,
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int clk_id, int source,
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unsigned int freq, int dir);
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int snd_soc_component_set_pll(struct snd_soc_component *component, int pll_id,
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int source, unsigned int freq_in,
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unsigned int freq_out);
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int snd_soc_component_set_jack(struct snd_soc_component *component,
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struct snd_soc_jack *jack, void *data);
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int snd_soc_component_get_jack_type(struct snd_soc_component *component);
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void snd_soc_component_seq_notifier(struct snd_soc_component *component,
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enum snd_soc_dapm_type type, int subseq);
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int snd_soc_component_stream_event(struct snd_soc_component *component,
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int event);
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int snd_soc_component_set_bias_level(struct snd_soc_component *component,
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enum snd_soc_bias_level level);
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void snd_soc_component_setup_regmap(struct snd_soc_component *component);
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#ifdef CONFIG_REGMAP
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void snd_soc_component_init_regmap(struct snd_soc_component *component,
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struct regmap *regmap);
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void snd_soc_component_exit_regmap(struct snd_soc_component *component);
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#endif
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#define snd_soc_component_module_get_when_probe(component)\
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snd_soc_component_module_get(component, NULL, 0)
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#define snd_soc_component_module_get_when_open(component, substream) \
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snd_soc_component_module_get(component, substream, 1)
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int snd_soc_component_module_get(struct snd_soc_component *component,
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void *mark, int upon_open);
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#define snd_soc_component_module_put_when_remove(component) \
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snd_soc_component_module_put(component, NULL, 0, 0)
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#define snd_soc_component_module_put_when_close(component, substream, rollback) \
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snd_soc_component_module_put(component, substream, 1, rollback)
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void snd_soc_component_module_put(struct snd_soc_component *component,
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void *mark, int upon_open, int rollback);
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static inline void snd_soc_component_set_drvdata(struct snd_soc_component *c,
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void *data)
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{
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dev_set_drvdata(c->dev, data);
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}
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static inline void *snd_soc_component_get_drvdata(struct snd_soc_component *c)
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{
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return dev_get_drvdata(c->dev);
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}
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static inline unsigned int
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snd_soc_component_active(struct snd_soc_component *component)
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{
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return component->active;
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}
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/* component pin */
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int snd_soc_component_enable_pin(struct snd_soc_component *component,
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const char *pin);
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int snd_soc_component_enable_pin_unlocked(struct snd_soc_component *component,
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const char *pin);
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int snd_soc_component_disable_pin(struct snd_soc_component *component,
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const char *pin);
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int snd_soc_component_disable_pin_unlocked(struct snd_soc_component *component,
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const char *pin);
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int snd_soc_component_nc_pin(struct snd_soc_component *component,
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const char *pin);
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int snd_soc_component_nc_pin_unlocked(struct snd_soc_component *component,
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const char *pin);
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int snd_soc_component_get_pin_status(struct snd_soc_component *component,
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const char *pin);
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int snd_soc_component_force_enable_pin(struct snd_soc_component *component,
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const char *pin);
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int snd_soc_component_force_enable_pin_unlocked(
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struct snd_soc_component *component,
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const char *pin);
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/* component controls */
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struct snd_kcontrol *snd_soc_component_get_kcontrol(struct snd_soc_component *component,
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const char * const ctl);
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int snd_soc_component_notify_control(struct snd_soc_component *component,
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const char * const ctl);
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/* component driver ops */
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int snd_soc_component_open(struct snd_soc_component *component,
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struct snd_pcm_substream *substream);
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int snd_soc_component_close(struct snd_soc_component *component,
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struct snd_pcm_substream *substream,
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int rollback);
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void snd_soc_component_suspend(struct snd_soc_component *component);
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void snd_soc_component_resume(struct snd_soc_component *component);
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int snd_soc_component_is_suspended(struct snd_soc_component *component);
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int snd_soc_component_probe(struct snd_soc_component *component);
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void snd_soc_component_remove(struct snd_soc_component *component);
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int snd_soc_component_of_xlate_dai_id(struct snd_soc_component *component,
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struct device_node *ep);
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int snd_soc_component_of_xlate_dai_name(struct snd_soc_component *component,
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const struct of_phandle_args *args,
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const char **dai_name);
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int snd_soc_component_compr_open(struct snd_soc_component *component,
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struct snd_compr_stream *cstream);
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void snd_soc_component_compr_free(struct snd_soc_component *component,
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struct snd_compr_stream *cstream,
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int rollback);
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int snd_soc_component_compr_trigger(struct snd_compr_stream *cstream, int cmd);
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int snd_soc_component_compr_set_params(struct snd_compr_stream *cstream,
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struct snd_compr_params *params);
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int snd_soc_component_compr_get_params(struct snd_compr_stream *cstream,
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struct snd_codec *params);
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int snd_soc_component_compr_get_caps(struct snd_compr_stream *cstream,
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struct snd_compr_caps *caps);
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int snd_soc_component_compr_get_codec_caps(struct snd_compr_stream *cstream,
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struct snd_compr_codec_caps *codec);
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int snd_soc_component_compr_ack(struct snd_compr_stream *cstream, size_t bytes);
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int snd_soc_component_compr_pointer(struct snd_compr_stream *cstream,
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struct snd_compr_tstamp *tstamp);
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int snd_soc_component_compr_copy(struct snd_compr_stream *cstream,
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char __user *buf, size_t count);
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int snd_soc_component_compr_set_metadata(struct snd_compr_stream *cstream,
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struct snd_compr_metadata *metadata);
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int snd_soc_component_compr_get_metadata(struct snd_compr_stream *cstream,
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struct snd_compr_metadata *metadata);
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int snd_soc_pcm_component_pointer(struct snd_pcm_substream *substream);
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int snd_soc_pcm_component_ioctl(struct snd_pcm_substream *substream,
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unsigned int cmd, void *arg);
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int snd_soc_pcm_component_sync_stop(struct snd_pcm_substream *substream);
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int snd_soc_pcm_component_copy(struct snd_pcm_substream *substream,
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int channel, unsigned long pos,
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struct iov_iter *iter, unsigned long bytes);
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struct page *snd_soc_pcm_component_page(struct snd_pcm_substream *substream,
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unsigned long offset);
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int snd_soc_pcm_component_mmap(struct snd_pcm_substream *substream,
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struct vm_area_struct *vma);
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int snd_soc_pcm_component_new(struct snd_soc_pcm_runtime *rtd);
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void snd_soc_pcm_component_free(struct snd_soc_pcm_runtime *rtd);
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int snd_soc_pcm_component_prepare(struct snd_pcm_substream *substream);
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int snd_soc_pcm_component_hw_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *params);
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void snd_soc_pcm_component_hw_free(struct snd_pcm_substream *substream,
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int rollback);
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int snd_soc_pcm_component_trigger(struct snd_pcm_substream *substream,
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int cmd, int rollback);
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int snd_soc_pcm_component_pm_runtime_get(struct snd_soc_pcm_runtime *rtd,
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void *stream);
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void snd_soc_pcm_component_pm_runtime_put(struct snd_soc_pcm_runtime *rtd,
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void *stream, int rollback);
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int snd_soc_pcm_component_ack(struct snd_pcm_substream *substream);
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void snd_soc_pcm_component_delay(struct snd_pcm_substream *substream,
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snd_pcm_sframes_t *cpu_delay, snd_pcm_sframes_t *codec_delay);
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#endif /* __SOC_COMPONENT_H */
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