linux_dsm_epyc7002/drivers/media/dvb-frontends/mb86a20s.h
Mauro Carvalho Chehab 782d8b743a [media] dvb-frontends: 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 09:03:59 -03:00

57 lines
1.6 KiB
C

/*
* Fujitsu mb86a20s driver
*
* Copyright (C) 2010 Mauro Carvalho Chehab <mchehab@redhat.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation version 2.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#ifndef MB86A20S_H
#define MB86A20S_H
#include <linux/kconfig.h>
#include <linux/dvb/frontend.h>
/**
* struct mb86a20s_config - Define the per-device attributes of the frontend
*
* @fclk: Clock frequency. If zero, assumes the default
* (32.57142 Mhz)
* @demod_address: the demodulator's i2c address
* @is_serial: if true, TS is serial. Otherwise, TS is parallel
*/
struct mb86a20s_config {
u32 fclk;
u8 demod_address;
bool is_serial;
};
#if IS_ENABLED(CONFIG_DVB_MB86A20S)
extern struct dvb_frontend *mb86a20s_attach(const struct mb86a20s_config *config,
struct i2c_adapter *i2c);
extern struct i2c_adapter *mb86a20s_get_tuner_i2c_adapter(struct dvb_frontend *);
#else
static inline struct dvb_frontend *mb86a20s_attach(
const struct mb86a20s_config *config, struct i2c_adapter *i2c)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
return NULL;
}
static struct i2c_adapter *
mb86a20s_get_tuner_i2c_adapter(struct dvb_frontend *fe)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
return NULL;
}
#endif
#endif /* MB86A20S */