Katsuhiro Suzuki | 1b09dd9 | 2018-08-02 22:08:39 -0400 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | /* |
| 3 | * Driver for LNB supply and control IC STMicroelectronics LNBH29 |
| 4 | * |
| 5 | * Copyright (c) 2018 Socionext Inc. |
| 6 | */ |
| 7 | |
| 8 | #ifndef LNBH29_H |
| 9 | #define LNBH29_H |
| 10 | |
| 11 | #include <linux/i2c.h> |
| 12 | #include <linux/dvb/frontend.h> |
| 13 | |
| 14 | /* Using very low E.S.R. capacitors or ceramic caps */ |
| 15 | #define LNBH29_DATA_COMP BIT(3) |
| 16 | |
| 17 | struct lnbh29_config { |
| 18 | u8 i2c_address; |
| 19 | u8 data_config; |
| 20 | }; |
| 21 | |
| 22 | #if IS_REACHABLE(CONFIG_DVB_LNBH29) |
| 23 | struct dvb_frontend *lnbh29_attach(struct dvb_frontend *fe, |
| 24 | struct lnbh29_config *cfg, |
| 25 | struct i2c_adapter *i2c); |
| 26 | #else |
| 27 | static inline struct dvb_frontend *lnbh29_attach(struct dvb_frontend *fe, |
| 28 | struct lnbh29_config *cfg, |
| 29 | struct i2c_adapter *i2c) |
| 30 | { |
| 31 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); |
| 32 | return NULL; |
| 33 | } |
| 34 | #endif |
| 35 | |
| 36 | #endif |