linux/drivers/media/tuners/fc0011.h
Mauro Carvalho Chehab 9dc353c67c [media] tuners: use IS_ENABLED
Instead of checking everywhere there for 3 symbols, use instead
IS_ENABLED macro.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2013-03-23 09:22:06 -03:00

42 lines
953 B
C

#ifndef LINUX_FC0011_H_
#define LINUX_FC0011_H_
#include <linux/kconfig.h>
#include "dvb_frontend.h"
/** struct fc0011_config - fc0011 hardware config
*
* @i2c_address: I2C bus address.
*/
struct fc0011_config {
u8 i2c_address;
};
/** enum fc0011_fe_callback_commands - Frontend callbacks
*
* @FC0011_FE_CALLBACK_POWER: Power on tuner hardware.
* @FC0011_FE_CALLBACK_RESET: Request a tuner reset.
*/
enum fc0011_fe_callback_commands {
FC0011_FE_CALLBACK_POWER,
FC0011_FE_CALLBACK_RESET,
};
#if IS_ENABLED(CONFIG_MEDIA_TUNER_FC0011)
struct dvb_frontend *fc0011_attach(struct dvb_frontend *fe,
struct i2c_adapter *i2c,
const struct fc0011_config *config);
#else
static inline
struct dvb_frontend *fc0011_attach(struct dvb_frontend *fe,
struct i2c_adapter *i2c,
const struct fc0011_config *config)
{
dev_err(&i2c->dev, "fc0011 driver disabled in Kconfig\n");
return NULL;
}
#endif
#endif /* LINUX_FC0011_H_ */