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Merge "ASoC: Cold start latency reduction"

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This commit is contained in:
qctecmdr 2019-12-30 15:00:18 -08:00 • committed by Gerrit - the friendly Code Review server
commit e22f3c6ca9
5 changed files with 432 additions and 2 deletions
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3
include/sound/compress_driver.h
View file

@ -71,6 +71,9 @@ struct snd_compr_stream {
bool metadata_set;
bool next_track;
void *private_data;
#ifdef CONFIG_AUDIO_QGKI
struct snd_soc_pcm_runtime *be;
#endif
};
/**

15
include/sound/soc-dpcm.h
View file

@ -14,6 +14,9 @@
struct snd_soc_pcm_runtime;
#ifdef CONFIG_AUDIO_QGKI
#define DPCM_MAX_BE_USERS 8
#endif
/*
* Types of runtime_update to perform. e.g. originated from FE PCM ops
* or audio route changes triggered by muxes/mixers.
@ -83,6 +86,9 @@ struct snd_soc_dpcm {
#ifdef CONFIG_DEBUG_FS
struct dentry *debugfs_state;
#endif
#ifdef CONFIG_AUDIO_QGKI
int stream;
#endif
};
/*
@ -162,8 +168,17 @@ void dpcm_be_disconnect(struct snd_soc_pcm_runtime *fe, int stream);
void dpcm_clear_pending_state(struct snd_soc_pcm_runtime *fe, int stream);
int dpcm_be_dai_hw_free(struct snd_soc_pcm_runtime *fe, int stream);
int dpcm_be_dai_hw_params(struct snd_soc_pcm_runtime *fe, int tream);
#ifdef CONFIG_AUDIO_QGKI
int dpcm_fe_dai_hw_params_be(struct snd_soc_pcm_runtime *fe,
struct snd_soc_pcm_runtime *be, struct snd_pcm_hw_params *hw_params,
int stream);
#endif
int dpcm_be_dai_trigger(struct snd_soc_pcm_runtime *fe, int stream, int cmd);
int dpcm_be_dai_prepare(struct snd_soc_pcm_runtime *fe, int stream);
#ifdef CONFIG_AUDIO_QGKI
int dpcm_fe_dai_prepare_be(struct snd_soc_pcm_runtime *fe,
struct snd_soc_pcm_runtime *be, int stream);
#endif
int dpcm_dapm_stream_event(struct snd_soc_pcm_runtime *fe, int dir,
int event);

23
include/sound/soc.h
View file

@ -19,6 +19,9 @@
#include <linux/kernel.h>
#include <linux/regmap.h>
#include <linux/log2.h>
#ifdef CONFIG_AUDIO_QGKI
#include <linux/async.h>
#endif
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/compress_driver.h>
@ -765,6 +768,16 @@ struct snd_soc_dai_link_component {
const char *dai_name;
};
#ifdef CONFIG_AUDIO_QGKI
enum snd_soc_async_ops {
ASYNC_DPCM_SND_SOC_OPEN = 1 << 0,
ASYNC_DPCM_SND_SOC_CLOSE = 1 << 1,
ASYNC_DPCM_SND_SOC_PREPARE = 1 << 2,
ASYNC_DPCM_SND_SOC_HW_PARAMS = 1 << 3,
ASYNC_DPCM_SND_SOC_FREE = 1 << 4,
};
#endif
struct snd_soc_dai_link {
/* config - must be set by machine driver */
const char *name; /* Codec name */
@ -865,6 +878,11 @@ struct snd_soc_dai_link {
struct list_head list; /* DAI link list of the soc card */
struct snd_soc_dobj dobj; /* For topology */
#ifdef CONFIG_AUDIO_QGKI
/* this value determines what all ops can be started asynchronously */
enum snd_soc_async_ops async_ops;
#endif
};
#define for_each_link_codecs(link, i, codec) \
for ((i) = 0; \
@ -1147,7 +1165,10 @@ struct snd_soc_pcm_runtime {
struct snd_soc_dpcm_runtime dpcm[2];
long pmdown_time;
#ifdef CONFIG_AUDIO_QGKI
/* err in case of ops failed */
int err_ops;
#endif
/* runtime devices */
struct snd_pcm *pcm;
struct snd_compr *compr;