mirror of
https://github.com/torvalds/linux.git
synced 2024-12-24 11:51:27 +00:00
782d8b743a
Instead of checking everywhere there for 3 symbols, use instead IS_ENABLED macro. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
57 lines
1.7 KiB
C
57 lines
1.7 KiB
C
/*
|
|
* lnbh24.h - driver for lnb supply and control ic lnbh24
|
|
*
|
|
* Copyright (C) 2009 NetUP Inc.
|
|
* Copyright (C) 2009 Igor M. Liplianin <liplianin@netup.ru>
|
|
*
|
|
* 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 _LNBH24_H
|
|
#define _LNBH24_H
|
|
|
|
#include <linux/kconfig.h>
|
|
|
|
/* system register bits */
|
|
#define LNBH24_OLF 0x01
|
|
#define LNBH24_OTF 0x02
|
|
#define LNBH24_EN 0x04
|
|
#define LNBH24_VSEL 0x08
|
|
#define LNBH24_LLC 0x10
|
|
#define LNBH24_TEN 0x20
|
|
#define LNBH24_TTX 0x40
|
|
#define LNBH24_PCL 0x80
|
|
|
|
#include <linux/dvb/frontend.h>
|
|
|
|
#if IS_ENABLED(CONFIG_DVB_LNBP21)
|
|
/* override_set and override_clear control which
|
|
system register bits (above) to always set & clear */
|
|
extern struct dvb_frontend *lnbh24_attach(struct dvb_frontend *fe,
|
|
struct i2c_adapter *i2c, u8 override_set,
|
|
u8 override_clear, u8 i2c_addr);
|
|
#else
|
|
static inline struct dvb_frontend *lnbh24_attach(struct dvb_frontend *fe,
|
|
struct i2c_adapter *i2c, u8 override_set,
|
|
u8 override_clear, u8 i2c_addr)
|
|
{
|
|
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
|
|
return NULL;
|
|
}
|
|
#endif
|
|
|
|
#endif
|