| 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
|---|---|
| 2 | /* |
| 3 | Driver for Zarlink MT312 Satellite Channel Decoder |
| 4 | |
| 5 | Copyright (C) 2003 Andreas Oberritter <obi@linuxtv.org> |
| 6 | |
| 7 | |
| 8 | References: |
| 9 | http://products.zarlink.com/product_profiles/MT312.htm |
| 10 | http://products.zarlink.com/product_profiles/SL1935.htm |
| 11 | */ |
| 12 | |
| 13 | #ifndef MT312_H |
| 14 | #define MT312_H |
| 15 | |
| 16 | #include <linux/dvb/frontend.h> |
| 17 | |
| 18 | struct mt312_config { |
| 19 | /* the demodulator's i2c address */ |
| 20 | u8 demod_address; |
| 21 | |
| 22 | /* inverted voltage setting */ |
| 23 | unsigned int voltage_inverted:1; |
| 24 | }; |
| 25 | |
| 26 | #if IS_REACHABLE(CONFIG_DVB_MT312) |
| 27 | struct dvb_frontend *mt312_attach(const struct mt312_config *config, |
| 28 | struct i2c_adapter *i2c); |
| 29 | #else |
| 30 | static inline struct dvb_frontend *mt312_attach( |
| 31 | const struct mt312_config *config, struct i2c_adapter *i2c) |
| 32 | { |
| 33 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); |
| 34 | return NULL; |
| 35 | } |
| 36 | #endif /* CONFIG_DVB_MT312 */ |
| 37 | |
| 38 | #endif /* MT312_H */ |
| 39 |