mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-11-01 00:48:50 +00:00
38 lines
842 B
C
38 lines
842 B
C
|
#ifndef SI21XX_H
|
||
|
|
#define SI21XX_H
|
||
|
|
|
||
|
|
#include <linux/dvb/frontend.h>
|
||
|
|
#include "dvb_frontend.h"
|
||
|
|
|
||
|
|
struct si21xx_config {
|
||
|
|
/* the demodulator's i2c address */
|
||
|
|
u8 demod_address;
|
||
|
|
|
||
|
|
/* minimum delay before retuning */
|
||
|
|
int min_delay_ms;
|
||
|
|
};
|
||
|
|
|
||
|
|
#if defined(CONFIG_DVB_SI21XX) || \
|
||
|
|
(defined(CONFIG_DVB_SI21XX_MODULE) && defined(MODULE))
|
||
|
|
extern struct dvb_frontend *si21xx_attach(const struct si21xx_config *config,
|
||
|
|
struct i2c_adapter *i2c);
|
||
|
|
#else
|
||
|
|
static inline struct dvb_frontend *si21xx_attach(
|
||
|
|
const struct si21xx_config *config, struct i2c_adapter *i2c)
|
||
|
|
{
|
||
|
|
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
static inline int si21xx_writeregister(struct dvb_frontend *fe, u8 reg, u8 val)
|
||
|
|
{
|
||
|
|
int r = 0;
|
||
|
|
u8 buf[] = {reg, val};
|
||
|
|
if (fe->ops.write)
|
||
|
|
r = fe->ops.write(fe, buf, 2);
|
||
|
|
return r;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|