include/sound/ak4113.h

Source file repositories/reference/linux-study-clean/include/sound/ak4113.h

File Facts

System
Linux kernel
Corpus path
include/sound/ak4113.h
Extension
.h
Size
10461 bytes
Lines
321
Domain
Driver Families
Bucket
include/sound
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

struct ak4113 {
	struct snd_card *card;
	ak4113_write_t *write;
	ak4113_read_t *read;
	void *private_data;
	atomic_t wq_processing;
	struct mutex reinit_mutex;
	spinlock_t lock;
	unsigned char regmap[AK4113_WRITABLE_REGS];
	struct snd_kcontrol *kctls[AK4113_CONTROLS];
	struct snd_pcm_substream *substream;
	unsigned long errors[AK4113_NUM_ERRORS];
	unsigned char rcs0;
	unsigned char rcs1;
	unsigned char rcs2;
	struct delayed_work work;
	unsigned int check_flags;
	void *change_callback_private;
	void (*change_callback)(struct ak4113 *ak4113, unsigned char c0,
			unsigned char c1);
};

int snd_ak4113_create(struct snd_card *card, ak4113_read_t *read,
		ak4113_write_t *write,
		const unsigned char *pgm,
		void *private_data, struct ak4113 **r_ak4113);
void snd_ak4113_reg_write(struct ak4113 *ak4113, unsigned char reg,
		unsigned char mask, unsigned char val);
void snd_ak4113_reinit(struct ak4113 *ak4113);
int snd_ak4113_build(struct ak4113 *ak4113,
		struct snd_pcm_substream *capture_substream);
int snd_ak4113_external_rate(struct ak4113 *ak4113);
int snd_ak4113_check_rate_and_errors(struct ak4113 *ak4113, unsigned int flags);

#ifdef CONFIG_PM
void snd_ak4113_suspend(struct ak4113 *chip);
void snd_ak4113_resume(struct ak4113 *chip);
#else
static inline void snd_ak4113_suspend(struct ak4113 *chip) {}
static inline void snd_ak4113_resume(struct ak4113 *chip) {}
#endif

#endif /* __SOUND_AK4113_H */

Annotation

Implementation Notes