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74ba9207e1
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 you should have received a copy of the gnu general public license along with this program if not write to the free software foundation inc 675 mass ave cambridge ma 02139 usa extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 441 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc) Reviewed-by: Richard Fontana <rfontana@redhat.com> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190520071858.739733335@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
56 lines
1.4 KiB
C
56 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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DVB Driver for Philips tda827x / tda827xa Silicon tuners
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(c) 2005 Hartmut Hackmann
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(c) 2007 Michael Krufky
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*/
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#ifndef __DVB_TDA827X_H__
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#define __DVB_TDA827X_H__
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#include <linux/i2c.h>
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#include <media/dvb_frontend.h>
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#include "tda8290.h"
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struct tda827x_config
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{
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/* saa7134 - provided callbacks */
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int (*init) (struct dvb_frontend *fe);
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int (*sleep) (struct dvb_frontend *fe);
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/* interface to tda829x driver */
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enum tda8290_lna config;
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int switch_addr;
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void (*agcf)(struct dvb_frontend *fe);
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};
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/**
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* Attach a tda827x tuner to the supplied frontend structure.
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*
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* @param fe Frontend to attach to.
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* @param addr i2c address of the tuner.
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* @param i2c i2c adapter to use.
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* @param cfg optional callback function pointers.
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* @return FE pointer on success, NULL on failure.
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*/
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#if IS_REACHABLE(CONFIG_MEDIA_TUNER_TDA827X)
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extern struct dvb_frontend* tda827x_attach(struct dvb_frontend *fe, int addr,
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struct i2c_adapter *i2c,
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struct tda827x_config *cfg);
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#else
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static inline struct dvb_frontend* tda827x_attach(struct dvb_frontend *fe,
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int addr,
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struct i2c_adapter *i2c,
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struct tda827x_config *cfg)
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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 // CONFIG_MEDIA_TUNER_TDA827X
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#endif // __DVB_TDA827X_H__
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