1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Driver for LNB supply and control IC STMicroelectronics LNBH29 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright (c) 2018 Socionext Inc. 6*4882a593Smuzhiyun */ 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun #ifndef LNBH29_H 9*4882a593Smuzhiyun #define LNBH29_H 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun #include <linux/i2c.h> 12*4882a593Smuzhiyun #include <linux/dvb/frontend.h> 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun /* Using very low E.S.R. capacitors or ceramic caps */ 15*4882a593Smuzhiyun #define LNBH29_DATA_COMP BIT(3) 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun struct lnbh29_config { 18*4882a593Smuzhiyun u8 i2c_address; 19*4882a593Smuzhiyun u8 data_config; 20*4882a593Smuzhiyun }; 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun #if IS_REACHABLE(CONFIG_DVB_LNBH29) 23*4882a593Smuzhiyun struct dvb_frontend *lnbh29_attach(struct dvb_frontend *fe, 24*4882a593Smuzhiyun struct lnbh29_config *cfg, 25*4882a593Smuzhiyun struct i2c_adapter *i2c); 26*4882a593Smuzhiyun #else lnbh29_attach(struct dvb_frontend * fe,struct lnbh29_config * cfg,struct i2c_adapter * i2c)27*4882a593Smuzhiyunstatic inline struct dvb_frontend *lnbh29_attach(struct dvb_frontend *fe, 28*4882a593Smuzhiyun struct lnbh29_config *cfg, 29*4882a593Smuzhiyun struct i2c_adapter *i2c) 30*4882a593Smuzhiyun { 31*4882a593Smuzhiyun printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 32*4882a593Smuzhiyun return NULL; 33*4882a593Smuzhiyun } 34*4882a593Smuzhiyun #endif 35*4882a593Smuzhiyun 36*4882a593Smuzhiyun #endif 37