linux/drivers/media/dvb-frontends/ves1820.h
Thomas Gleixner 74ba9207e1 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61
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>
2019-05-24 17:36:45 +02:00

45 lines
977 B
C

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
VES1820 - Single Chip Cable Channel Receiver driver module
Copyright (C) 1999 Convergence Integrated Media GmbH <ralph@convergence.de>
*/
#ifndef VES1820_H
#define VES1820_H
#include <linux/dvb/frontend.h>
#define VES1820_SELAGC_PWM 0
#define VES1820_SELAGC_SIGNAMPERR 1
struct ves1820_config
{
/* the demodulator's i2c address */
u8 demod_address;
/* value of XIN to use */
u32 xin;
/* does inversion need inverted? */
u8 invert:1;
/* SELAGC control */
u8 selagc:1;
};
#if IS_REACHABLE(CONFIG_DVB_VES1820)
extern struct dvb_frontend* ves1820_attach(const struct ves1820_config* config,
struct i2c_adapter* i2c, u8 pwm);
#else
static inline struct dvb_frontend* ves1820_attach(const struct ves1820_config* config,
struct i2c_adapter* i2c, u8 pwm)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
return NULL;
}
#endif // CONFIG_DVB_VES1820
#endif // VES1820_H