drivers/media/dvb-frontends/ascot2e.h

Source file repositories/reference/linux-study-clean/drivers/media/dvb-frontends/ascot2e.h

File Facts

System
Linux kernel
Corpus path
drivers/media/dvb-frontends/ascot2e.h
Extension
.h
Size
1527 bytes
Lines
58
Domain
Driver Families
Bucket
drivers/media
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 ascot2e_config {
	u8	i2c_address;
	u8	xtal_freq_mhz;
	void	*set_tuner_priv;
	int	(*set_tuner_callback)(void *, int);
};

#if IS_REACHABLE(CONFIG_DVB_ASCOT2E)
/**
 * ascot2e_attach - Attach an ascot2e tuner
 *
 * @fe: frontend to be attached
 * @config: pointer to &struct ascot2e_config with tuner configuration.
 * @i2c: i2c adapter to use.
 *
 * return: FE pointer on success, NULL on failure.
 */
extern struct dvb_frontend *ascot2e_attach(struct dvb_frontend *fe,
					const struct ascot2e_config *config,
					struct i2c_adapter *i2c);
#else
static inline struct dvb_frontend *ascot2e_attach(struct dvb_frontend *fe,
					const struct ascot2e_config *config,
					struct i2c_adapter *i2c)
{
	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
	return NULL;
}
#endif

#endif

Annotation

Implementation Notes