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