782d8b743a
Instead of checking everywhere there for 3 symbols, use instead IS_ENABLED macro. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
61 lines
1.9 KiB
C
61 lines
1.9 KiB
C
/*
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Conexant cx24123/cx24109 - DVB QPSK Satellite demod/tuner driver
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Copyright (C) 2005 Steven Toth <stoth@linuxtv.org>
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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 CX24123_H
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#define CX24123_H
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#include <linux/kconfig.h>
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#include <linux/dvb/frontend.h>
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struct cx24123_config {
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/* the demodulator's i2c address */
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u8 demod_address;
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/* Need to set device param for start_dma */
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int (*set_ts_params)(struct dvb_frontend *fe, int is_punctured);
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/* 0 = LNB voltage normal, 1 = LNB voltage inverted */
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int lnb_polarity;
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/* this device has another tuner */
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u8 dont_use_pll;
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void (*agc_callback) (struct dvb_frontend *);
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};
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#if IS_ENABLED(CONFIG_DVB_CX24123)
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extern struct dvb_frontend *cx24123_attach(const struct cx24123_config *config,
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struct i2c_adapter *i2c);
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extern struct i2c_adapter *cx24123_get_tuner_i2c_adapter(struct dvb_frontend *);
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#else
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static inline struct dvb_frontend *cx24123_attach(
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const struct cx24123_config *config, 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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static struct i2c_adapter *
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cx24123_get_tuner_i2c_adapter(struct dvb_frontend *fe)
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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 /* CX24123_H */
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