1
0
mirror of https://github.com/torvalds/linux.git synced 2024-12-15 15:41:58 +00:00
linux/drivers/media/dvb-frontends/zl10036.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

54 lines
1.6 KiB
C

/**
* Driver for Zarlink ZL10036 DVB-S silicon tuner
*
* Copyright (C) 2006 Tino Reichardt
* Copyright (C) 2007-2009 Matthias Schwarzott <zzam@gentoo.de>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License Version 2, as
* published by the Free Software Foundation.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef DVB_ZL10036_H
#define DVB_ZL10036_H
#include <linux/kconfig.h>
#include <linux/i2c.h>
#include "dvb_frontend.h"
/**
* Attach a zl10036 tuner to the supplied frontend structure.
*
* @param fe Frontend to attach to.
* @param config zl10036_config structure
* @return FE pointer on success, NULL on failure.
*/
struct zl10036_config {
u8 tuner_address;
int rf_loop_enable;
};
#if IS_ENABLED(CONFIG_DVB_ZL10036)
extern struct dvb_frontend *zl10036_attach(struct dvb_frontend *fe,
const struct zl10036_config *config, struct i2c_adapter *i2c);
#else
static inline struct dvb_frontend *zl10036_attach(struct dvb_frontend *fe,
const struct zl10036_config *config, struct i2c_adapter *i2c)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
return NULL;
}
#endif
#endif /* DVB_ZL10036_H */