drivers/media/dvb-frontends/tda826x.h

Source file repositories/reference/linux-study-clean/drivers/media/dvb-frontends/tda826x.h

File Facts

System
Linux kernel
Corpus path
drivers/media/dvb-frontends/tda826x.h
Extension
.h
Size
1060 bytes
Lines
42
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

Driver for Philips tda8262/tda8263 DVBS Silicon tuners

     (c) 2006 Andrew de Quincey


  */

#ifndef __DVB_TDA826X_H__
#define __DVB_TDA826X_H__

#include <linux/i2c.h>
#include <media/dvb_frontend.h>

/**
 * tda826x_attach - Attach a tda826x tuner to the supplied frontend structure.
 *
 * @fe: Frontend to attach to.
 * @addr: i2c address of the tuner.
 * @i2c: i2c adapter to use.
 * @has_loopthrough: Set to 1 if the card has a loopthrough RF connector.
 *
 * return: FE pointer on success, NULL on failure.
 */
#if IS_REACHABLE(CONFIG_DVB_TDA826X)
extern struct dvb_frontend* tda826x_attach(struct dvb_frontend *fe, int addr,
					   struct i2c_adapter *i2c,
					   int has_loopthrough);
#else
static inline struct dvb_frontend* tda826x_attach(struct dvb_frontend *fe,
						  int addr,
						  struct i2c_adapter *i2c,
						  int has_loopthrough)
{
	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
	return NULL;
}
#endif // CONFIG_DVB_TDA826X

#endif // __DVB_TDA826X_H__

Annotation

Implementation Notes