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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>
47 lines
1.3 KiB
C
47 lines
1.3 KiB
C
/*
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* E3C EC100 demodulator driver
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*
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* Copyright (C) 2009 Antti Palosaari <crope@iki.fi>
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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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* 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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*/
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#ifndef EC100_H
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#define EC100_H
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#include <linux/kconfig.h>
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#include <linux/dvb/frontend.h>
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struct ec100_config {
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/* demodulator's I2C address */
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u8 demod_address;
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};
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#if IS_ENABLED(CONFIG_DVB_EC100)
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extern struct dvb_frontend *ec100_attach(const struct ec100_config *config,
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struct i2c_adapter *i2c);
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#else
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static inline struct dvb_frontend *ec100_attach(
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const struct ec100_config *config, struct i2c_adapter *i2c)
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{
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pr_warn("%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 /* EC100_H */
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