linux/drivers/media/tuners/max2165.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

50 lines
1.4 KiB
C

/*
* Driver for Maxim MAX2165 silicon tuner
*
* Copyright (c) 2009 David T. L. Wong <davidtlwong@gmail.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; 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 __MAX2165_H__
#define __MAX2165_H__
#include <linux/kconfig.h>
struct dvb_frontend;
struct i2c_adapter;
struct max2165_config {
u8 i2c_address;
u8 osc_clk; /* in MHz, selectable values: 4,16,18,20,22,24,26,28 */
};
#if IS_ENABLED(CONFIG_MEDIA_TUNER_MAX2165)
extern struct dvb_frontend *max2165_attach(struct dvb_frontend *fe,
struct i2c_adapter *i2c,
struct max2165_config *cfg);
#else
static inline struct dvb_frontend *max2165_attach(struct dvb_frontend *fe,
struct i2c_adapter *i2c,
struct max2165_config *cfg)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
return NULL;
}
#endif
#endif