drivers/media/dvb-frontends/dvb-pll.h

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

File Facts

System
Linux kernel
Corpus path
drivers/media/dvb-frontends/dvb-pll.h
Extension
.h
Size
1951 bytes
Lines
66
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 dvb_pll_config {
	struct dvb_frontend *fe;
};

#if IS_REACHABLE(CONFIG_DVB_PLL)
/**
 * dvb_pll_attach - Attach a dvb-pll to the supplied frontend structure.
 *
 * @fe: Frontend to attach to.
 * @pll_addr: i2c address of the PLL (if used).
 * @i2c: i2c adapter to use (set to NULL if not used).
 * @pll_desc_id: dvb_pll_desc to use.
 *
 * return: Frontend pointer on success, NULL on failure
 */
extern struct dvb_frontend *dvb_pll_attach(struct dvb_frontend *fe,
					   int pll_addr,
					   struct i2c_adapter *i2c,
					   unsigned int pll_desc_id);
#else
static inline struct dvb_frontend *dvb_pll_attach(struct dvb_frontend *fe,
					   int pll_addr,
					   struct i2c_adapter *i2c,
					   unsigned int pll_desc_id)
{
	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
	return NULL;
}
#endif

#endif

Annotation

Implementation Notes