| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * Driver for LNB supply and control IC STMicroelectronics LNBH29 |
| * |
| * Copyright (c) 2018 Socionext Inc. |
| */ |
| |
| #ifndef LNBH29_H |
| #define LNBH29_H |
| |
| #include <linux/i2c.h> |
| #include <linux/dvb/frontend.h> |
| |
| /* Using very low E.S.R. capacitors or ceramic caps */ |
| #define LNBH29_DATA_COMP BIT(3) |
| |
| struct lnbh29_config { |
| u8 i2c_address; |
| u8 data_config; |
| }; |
| |
| #if IS_REACHABLE(CONFIG_DVB_LNBH29) |
| struct dvb_frontend *lnbh29_attach(struct dvb_frontend *fe, |
| struct lnbh29_config *cfg, |
| struct i2c_adapter *i2c); |
| #else |
| static inline struct dvb_frontend *lnbh29_attach(struct dvb_frontend *fe, |
| struct lnbh29_config *cfg, |
| struct i2c_adapter *i2c) |
| { |
| printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); |
| return NULL; |
| } |
| #endif |
| |
| #endif |