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Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details to obtain the license point your browser to http www gnu org copyleft gpl html extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 26 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Richard Fontana <rfontana@redhat.com> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190523091650.572604764@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
57 lines
1.6 KiB
C
57 lines
1.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* lnbp21.h - driver for lnb supply and control ic lnbp21
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*
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* Copyright (C) 2006 Oliver Endriss
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*
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* the project's page is at https://linuxtv.org
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*/
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#ifndef _LNBP21_H
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#define _LNBP21_H
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/* system register bits */
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/* [RO] 0=OK; 1=over current limit flag */
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#define LNBP21_OLF 0x01
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/* [RO] 0=OK; 1=over temperature flag (150 C) */
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#define LNBP21_OTF 0x02
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/* [RW] 0=disable LNB power, enable loopthrough
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1=enable LNB power, disable loopthrough */
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#define LNBP21_EN 0x04
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/* [RW] 0=low voltage (13/14V, vert pol)
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1=high voltage (18/19V,horiz pol) */
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#define LNBP21_VSEL 0x08
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/* [RW] increase LNB voltage by 1V:
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0=13/18V; 1=14/19V */
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#define LNBP21_LLC 0x10
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/* [RW] 0=tone controlled by DSQIN pin
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1=tone enable, disable DSQIN */
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#define LNBP21_TEN 0x20
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/* [RW] current limit select:
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0:Iout=500-650mA Isc=300mA
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1:Iout=400-550mA Isc=200mA */
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#define LNBP21_ISEL 0x40
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/* [RW] short-circuit protect:
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0=pulsed (dynamic) curr limiting
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1=static curr limiting */
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#define LNBP21_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 *lnbp21_attach(struct dvb_frontend *fe,
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struct i2c_adapter *i2c, u8 override_set,
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u8 override_clear);
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#else
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static inline struct dvb_frontend *lnbp21_attach(struct dvb_frontend *fe,
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struct i2c_adapter *i2c, u8 override_set,
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u8 override_clear)
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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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