treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / drivers / media / dvb-frontends / stv0367.h
blobd18ae0f94e7b7463d5b914c92885f33c52d236f7
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3 * stv0367.h
5 * Driver for ST STV0367 DVB-T & DVB-C demodulator IC.
7 * Copyright (C) ST Microelectronics.
8 * Copyright (C) 2010,2011 NetUP Inc.
9 * Copyright (C) 2010,2011 Igor M. Liplianin <liplianin@netup.ru>
12 #ifndef STV0367_H
13 #define STV0367_H
15 #include <linux/dvb/frontend.h>
16 #include <media/dvb_frontend.h>
18 #define STV0367_ICSPEED_53125 53125000
19 #define STV0367_ICSPEED_58000 58000000
21 struct stv0367_config {
22 u8 demod_address;
23 u32 xtal;
24 u32 if_khz;/*4500*/
25 int if_iq_mode;
26 int ts_mode;
27 int clk_pol;
30 #if IS_REACHABLE(CONFIG_DVB_STV0367)
31 extern struct
32 dvb_frontend *stv0367ter_attach(const struct stv0367_config *config,
33 struct i2c_adapter *i2c);
34 extern struct
35 dvb_frontend *stv0367cab_attach(const struct stv0367_config *config,
36 struct i2c_adapter *i2c);
37 extern struct
38 dvb_frontend *stv0367ddb_attach(const struct stv0367_config *config,
39 struct i2c_adapter *i2c);
40 #else
41 static inline struct
42 dvb_frontend *stv0367ter_attach(const struct stv0367_config *config,
43 struct i2c_adapter *i2c)
45 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
46 return NULL;
48 static inline struct
49 dvb_frontend *stv0367cab_attach(const struct stv0367_config *config,
50 struct i2c_adapter *i2c)
52 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
53 return NULL;
55 static inline struct
56 dvb_frontend *stv0367ddb_attach(const struct stv0367_config *config,
57 struct i2c_adapter *i2c)
59 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
60 return NULL;
62 #endif
64 #endif