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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
/*
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* lnbh24.h - driver for lnb supply and control ic lnbh24
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*
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* Copyright (C) 2009 NetUP Inc.
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* Copyright (C) 2009 Igor M. Liplianin <liplianin@netup.ru>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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*
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef _LNBH24_H
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#define _LNBH24_H
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#include <linux/kconfig.h>
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/* system register bits */
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#define LNBH24_OLF 0x01
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#define LNBH24_OTF 0x02
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#define LNBH24_EN 0x04
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#define LNBH24_VSEL 0x08
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#define LNBH24_LLC 0x10
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#define LNBH24_TEN 0x20
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#define LNBH24_TTX 0x40
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#define LNBH24_PCL 0x80
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#include <linux/dvb/frontend.h>
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#if IS_ENABLED(CONFIG_DVB_LNBP21)
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/* override_set and override_clear control which
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system register bits (above) to always set & clear */
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extern struct dvb_frontend *lnbh24_attach(struct dvb_frontend *fe,
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struct i2c_adapter *i2c, u8 override_set,
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u8 override_clear, u8 i2c_addr);
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#else
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static inline struct dvb_frontend *lnbh24_attach(struct dvb_frontend *fe,
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struct i2c_adapter *i2c, u8 override_set,
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u8 override_clear, u8 i2c_addr)
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{
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printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
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return NULL;
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}
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#endif
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#endif
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