| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| /* |
| * lnbp22.h - driver for lnb supply and control ic lnbp22 |
| * |
| * Copyright (C) 2006 Dominik Kuhlen |
| * Based on lnbp21.h |
| * |
| * the project's page is at https://linuxtv.org |
| */ |
| |
| #ifndef _LNBP22_H |
| #define _LNBP22_H |
| |
| /* Enable */ |
| #define LNBP22_EN 0x10 |
| /* Voltage selection */ |
| #define LNBP22_VSEL 0x02 |
| /* Plus 1 Volt Bit */ |
| #define LNBP22_LLC 0x01 |
| |
| #include <linux/dvb/frontend.h> |
| |
| #if IS_REACHABLE(CONFIG_DVB_LNBP22) |
| /* |
| * override_set and override_clear control which system register bits (above) |
| * to always set & clear |
| */ |
| extern struct dvb_frontend *lnbp22_attach(struct dvb_frontend *fe, |
| struct i2c_adapter *i2c); |
| #else |
| static inline struct dvb_frontend *lnbp22_attach(struct dvb_frontend *fe, |
| struct i2c_adapter *i2c) |
| { |
| printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); |
| return NULL; |
| } |
| #endif /* CONFIG_DVB_LNBP22 */ |
| |
| #endif /* _LNBP22_H */ |
