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linux-next/drivers/media/dvb-frontends/dvb_dummy_fe.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

52 lines
1.6 KiB
C

/*
* Driver for Dummy Frontend
*
* Written by Emard <emard@softhome.net>
*
* 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; either version 2 of the License, or
* (at your option) any later version.
*
* 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_DUMMY_FE_H
#define DVB_DUMMY_FE_H
#include <linux/kconfig.h>
#include <linux/dvb/frontend.h>
#include "dvb_frontend.h"
#if IS_ENABLED(CONFIG_DVB_DUMMY_FE)
extern struct dvb_frontend* dvb_dummy_fe_ofdm_attach(void);
extern struct dvb_frontend* dvb_dummy_fe_qpsk_attach(void);
extern struct dvb_frontend* dvb_dummy_fe_qam_attach(void);
#else
static inline struct dvb_frontend *dvb_dummy_fe_ofdm_attach(void)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
return NULL;
}
static inline struct dvb_frontend *dvb_dummy_fe_qpsk_attach(void)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
return NULL;
}
static inline struct dvb_frontend *dvb_dummy_fe_qam_attach(void)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
return NULL;
}
#endif /* CONFIG_DVB_DUMMY_FE */
#endif // DVB_DUMMY_FE_H