41 lines
1.0 KiB
C
41 lines
1.0 KiB
C
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/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* lnbh24.h - driver for lnb supply and control ic lnbh24
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*
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* Copyright (C) 2009 NetUP Inc.
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* Copyright (C) 2009 Igor M. Liplianin <liplianin@netup.ru>
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*/
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#ifndef _LNBH24_H
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#define _LNBH24_H
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/* system register bits */
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#define LNBH24_OLF 0x01
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#define LNBH24_OTF 0x02
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#define LNBH24_EN 0x04
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#define LNBH24_VSEL 0x08
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#define LNBH24_LLC 0x10
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#define LNBH24_TEN 0x20
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#define LNBH24_TTX 0x40
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#define LNBH24_PCL 0x80
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#include <linux/dvb/frontend.h>
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#if IS_REACHABLE(CONFIG_DVB_LNBP21)
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/* override_set and override_clear control which
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system register bits (above) to always set & clear */
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extern struct dvb_frontend *lnbh24_attach(struct dvb_frontend *fe,
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struct i2c_adapter *i2c, u8 override_set,
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u8 override_clear, u8 i2c_addr);
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#else
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static inline struct dvb_frontend *lnbh24_attach(struct dvb_frontend *fe,
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struct i2c_adapter *i2c, u8 override_set,
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u8 override_clear, u8 i2c_addr)
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{
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printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
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return NULL;
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}
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#endif
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#endif
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