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path: root/drivers/media/dvb-frontends/lnbh29.h
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/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Driver for LNB supply and control IC STMicroelectronics LNBH29
 *
 * Copyright (c) 2018 Socionext Inc.
 */

#ifndef LNBH29_H
#define LNBH29_H

#include <linux/i2c.h>
#include <linux/dvb/frontend.h>

/* Using very low E.S.R. capacitors or ceramic caps */
#define LNBH29_DATA_COMP    BIT(3)

struct lnbh29_config {
	u8 i2c_address;
	u8 data_config;
};

#if IS_REACHABLE(CONFIG_DVB_LNBH29)
struct dvb_frontend *lnbh29_attach(struct dvb_frontend *fe,
				   struct lnbh29_config *cfg,
				   struct i2c_adapter *i2c);
#else
static inline struct dvb_frontend *lnbh29_attach(struct dvb_frontend *fe,
						 struct lnbh29_config *cfg,
						 struct i2c_adapter *i2c)
{
	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
	return NULL;
}
#endif

#endif