1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * lnbp22.h - driver for lnb supply and control ic lnbp22 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright (C) 2006 Dominik Kuhlen 6*4882a593Smuzhiyun * Based on lnbp21.h 7*4882a593Smuzhiyun * 8*4882a593Smuzhiyun * the project's page is at https://linuxtv.org 9*4882a593Smuzhiyun */ 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun #ifndef _LNBP22_H 12*4882a593Smuzhiyun #define _LNBP22_H 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun /* Enable */ 15*4882a593Smuzhiyun #define LNBP22_EN 0x10 16*4882a593Smuzhiyun /* Voltage selection */ 17*4882a593Smuzhiyun #define LNBP22_VSEL 0x02 18*4882a593Smuzhiyun /* Plus 1 Volt Bit */ 19*4882a593Smuzhiyun #define LNBP22_LLC 0x01 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun #include <linux/dvb/frontend.h> 22*4882a593Smuzhiyun 23*4882a593Smuzhiyun #if IS_REACHABLE(CONFIG_DVB_LNBP22) 24*4882a593Smuzhiyun /* 25*4882a593Smuzhiyun * override_set and override_clear control which system register bits (above) 26*4882a593Smuzhiyun * to always set & clear 27*4882a593Smuzhiyun */ 28*4882a593Smuzhiyun extern struct dvb_frontend *lnbp22_attach(struct dvb_frontend *fe, 29*4882a593Smuzhiyun struct i2c_adapter *i2c); 30*4882a593Smuzhiyun #else lnbp22_attach(struct dvb_frontend * fe,struct i2c_adapter * i2c)31*4882a593Smuzhiyunstatic inline struct dvb_frontend *lnbp22_attach(struct dvb_frontend *fe, 32*4882a593Smuzhiyun struct i2c_adapter *i2c) 33*4882a593Smuzhiyun { 34*4882a593Smuzhiyun printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 35*4882a593Smuzhiyun return NULL; 36*4882a593Smuzhiyun } 37*4882a593Smuzhiyun #endif /* CONFIG_DVB_LNBP22 */ 38*4882a593Smuzhiyun 39*4882a593Smuzhiyun #endif /* _LNBP22_H */ 40