Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso...
[linux-2.6-block.git] / drivers / media / dvb-frontends / s5h1420.h
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c942fddf 1/* SPDX-License-Identifier: GPL-2.0-or-later */
96bf2f2b 2/*
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3 * Driver for
4 * Samsung S5H1420 and
5 * PnpNetwork PN1010 QPSK Demodulator
6 *
7 * Copyright (C) 2005 Andrew de Quincey <adq_dvb@lidskialf.net>
8 * Copyright (C) 2005-8 Patrick Boettcher <pb@linuxtv.org>
dbad108b 9 */
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10#ifndef S5H1420_H
11#define S5H1420_H
12
13#include <linux/dvb/frontend.h>
14
15struct s5h1420_config
16{
17 /* the demodulator's i2c address */
18 u8 demod_address;
19
a9d6a80b 20 /* does the inversion require inversion? */
c18c5ffe 21 u8 invert:1;
dbad108b 22
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23 u8 repeated_start_workaround:1;
24 u8 cdclk_polarity:1; /* 1 == falling edge, 0 == raising edge */
25
26 u8 serial_mpeg:1;
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27};
28
9b174527 29#if IS_REACHABLE(CONFIG_DVB_S5H1420)
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30extern struct dvb_frontend *s5h1420_attach(const struct s5h1420_config *config,
31 struct i2c_adapter *i2c);
32extern struct i2c_adapter *s5h1420_get_tuner_i2c_adapter(struct dvb_frontend *fe);
102a342b 33#else
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34static inline struct dvb_frontend *s5h1420_attach(const struct s5h1420_config *config,
35 struct i2c_adapter *i2c)
102a342b 36{
271ddbf7 37 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
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38 return NULL;
39}
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40
41static inline struct i2c_adapter *s5h1420_get_tuner_i2c_adapter(struct dvb_frontend *fe)
42{
43 return NULL;
44}
102a342b 45#endif // CONFIG_DVB_S5H1420
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46
47#endif // S5H1420_H