/* 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 */