drivers/media/dvb-frontends/zd1301_demod.h

Source file repositories/reference/linux-study-clean/drivers/media/dvb-frontends/zd1301_demod.h

File Facts

System
Linux kernel
Corpus path
drivers/media/dvb-frontends/zd1301_demod.h
Extension
.h
Size
1630 bytes
Lines
62
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 zd1301_demod_platform_data {
	void *reg_priv;
	int (*reg_read)(void *, u16, u8 *);
	int (*reg_write)(void *, u16, u8);
};

#if IS_REACHABLE(CONFIG_DVB_ZD1301_DEMOD)
/**
 * zd1301_demod_get_dvb_frontend() - Get pointer to DVB frontend
 * @pdev: Pointer to platform device
 *
 * Return: Pointer to DVB frontend which given platform device owns.
 */
struct dvb_frontend *zd1301_demod_get_dvb_frontend(struct platform_device *pdev);

/**
 * zd1301_demod_get_i2c_adapter() - Get pointer to I2C adapter
 * @pdev: Pointer to platform device
 *
 * Return: Pointer to I2C adapter which given platform device owns.
 */
struct i2c_adapter *zd1301_demod_get_i2c_adapter(struct platform_device *pdev);

#else

static inline struct dvb_frontend *zd1301_demod_get_dvb_frontend(struct platform_device *dev)
{
	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);

	return NULL;
}
static inline struct i2c_adapter *zd1301_demod_get_i2c_adapter(struct platform_device *dev)
{
	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);

	return NULL;
}

#endif

#endif /* ZD1301_DEMOD_H */

Annotation

Implementation Notes