drivers/media/dvb-frontends/cx24116.h

Source file repositories/reference/linux-study-clean/drivers/media/dvb-frontends/cx24116.h

File Facts

System
Linux kernel
Corpus path
drivers/media/dvb-frontends/cx24116.h
Extension
.h
Size
1059 bytes
Lines
46
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 cx24116_config {
	/* the demodulator's i2c address */
	u8 demod_address;

	/* Need to set device param for start_dma */
	int (*set_ts_params)(struct dvb_frontend *fe, int is_punctured);

	/* Need to reset device during firmware loading */
	int (*reset_device)(struct dvb_frontend *fe);

	/* Need to set MPEG parameters */
	u8 mpg_clk_pos_pol:0x02;

	/* max bytes I2C provider can write at once */
	u16 i2c_wr_max;
};

#if IS_REACHABLE(CONFIG_DVB_CX24116)
extern struct dvb_frontend *cx24116_attach(
	const struct cx24116_config *config,
	struct i2c_adapter *i2c);
#else
static inline struct dvb_frontend *cx24116_attach(
	const struct cx24116_config *config,
	struct i2c_adapter *i2c)
{
	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
	return NULL;
}
#endif

#endif /* CX24116_H */

Annotation

Implementation Notes