xref: /OK3568_Linux_fs/kernel/drivers/media/dvb-frontends/ec100.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * E3C EC100 demodulator driver
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * Copyright (C) 2009 Antti Palosaari <crope@iki.fi>
6*4882a593Smuzhiyun  */
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun #ifndef EC100_H
9*4882a593Smuzhiyun #define EC100_H
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun #include <linux/dvb/frontend.h>
12*4882a593Smuzhiyun 
13*4882a593Smuzhiyun struct ec100_config {
14*4882a593Smuzhiyun 	/* demodulator's I2C address */
15*4882a593Smuzhiyun 	u8 demod_address;
16*4882a593Smuzhiyun };
17*4882a593Smuzhiyun 
18*4882a593Smuzhiyun 
19*4882a593Smuzhiyun #if IS_REACHABLE(CONFIG_DVB_EC100)
20*4882a593Smuzhiyun extern struct dvb_frontend *ec100_attach(const struct ec100_config *config,
21*4882a593Smuzhiyun 	struct i2c_adapter *i2c);
22*4882a593Smuzhiyun #else
ec100_attach(const struct ec100_config * config,struct i2c_adapter * i2c)23*4882a593Smuzhiyun static inline struct dvb_frontend *ec100_attach(
24*4882a593Smuzhiyun 	const struct ec100_config *config, struct i2c_adapter *i2c)
25*4882a593Smuzhiyun {
26*4882a593Smuzhiyun 	pr_warn("%s: driver disabled by Kconfig\n", __func__);
27*4882a593Smuzhiyun 	return NULL;
28*4882a593Smuzhiyun }
29*4882a593Smuzhiyun #endif
30*4882a593Smuzhiyun 
31*4882a593Smuzhiyun #endif /* EC100_H */
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