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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>
51 lines
1.6 KiB
C
51 lines
1.6 KiB
C
/*
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Montage Technology DS3000 - DVBS/S2 Demodulator driver
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Copyright (C) 2009-2012 Konstantin Dimitrov <kosio.dimitrov@gmail.com>
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Copyright (C) 2009-2012 TurboSight.com
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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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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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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 DS3000_H
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#define DS3000_H
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#include <linux/kconfig.h>
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#include <linux/dvb/frontend.h>
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struct ds3000_config {
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/* the demodulator's i2c address */
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u8 demod_address;
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u8 ci_mode;
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/* Set device param to start dma */
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int (*set_ts_params)(struct dvb_frontend *fe, int is_punctured);
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/* Hook for Lock LED */
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void (*set_lock_led)(struct dvb_frontend *fe, int offon);
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};
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#if IS_ENABLED(CONFIG_DVB_DS3000)
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extern struct dvb_frontend *ds3000_attach(const struct ds3000_config *config,
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struct i2c_adapter *i2c);
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#else
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static inline
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struct dvb_frontend *ds3000_attach(const struct ds3000_config *config,
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struct i2c_adapter *i2c)
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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 /* CONFIG_DVB_DS3000 */
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#endif /* DS3000_H */
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