linux/drivers/media/dvb-frontends/stb6100_cfg.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

88 lines
2.1 KiB
C

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
STB6100 Silicon Tuner
Copyright (C) Manu Abraham (abraham.manu@gmail.com)
Copyright (C) ST Microelectronics
*/
#include <linux/dvb/frontend.h>
#include <media/dvb_frontend.h>
static int stb6100_get_frequency(struct dvb_frontend *fe, u32 *frequency)
{
struct dvb_frontend_ops *frontend_ops = &fe->ops;
struct dvb_tuner_ops *tuner_ops = &frontend_ops->tuner_ops;
int err = 0;
if (tuner_ops->get_frequency) {
err = tuner_ops->get_frequency(fe, frequency);
if (err < 0) {
printk("%s: Invalid parameter\n", __func__);
return err;
}
}
return 0;
}
static int stb6100_set_frequency(struct dvb_frontend *fe, u32 frequency)
{
struct dvb_frontend_ops *frontend_ops = &fe->ops;
struct dvb_tuner_ops *tuner_ops = &frontend_ops->tuner_ops;
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
u32 bw = c->bandwidth_hz;
int err = 0;
c->frequency = frequency;
c->bandwidth_hz = 0; /* Don't adjust the bandwidth */
if (tuner_ops->set_params) {
err = tuner_ops->set_params(fe);
c->bandwidth_hz = bw;
if (err < 0) {
printk("%s: Invalid parameter\n", __func__);
return err;
}
}
return 0;
}
static int stb6100_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth)
{
struct dvb_frontend_ops *frontend_ops = &fe->ops;
struct dvb_tuner_ops *tuner_ops = &frontend_ops->tuner_ops;
int err = 0;
if (tuner_ops->get_bandwidth) {
err = tuner_ops->get_bandwidth(fe, bandwidth);
if (err < 0) {
printk("%s: Invalid parameter\n", __func__);
return err;
}
}
return 0;
}
static int stb6100_set_bandwidth(struct dvb_frontend *fe, u32 bandwidth)
{
struct dvb_frontend_ops *frontend_ops = &fe->ops;
struct dvb_tuner_ops *tuner_ops = &frontend_ops->tuner_ops;
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
u32 freq = c->frequency;
int err = 0;
c->bandwidth_hz = bandwidth;
c->frequency = 0; /* Don't adjust the frequency */
if (tuner_ops->set_params) {
err = tuner_ops->set_params(fe);
c->frequency = freq;
if (err < 0) {
printk("%s: Invalid parameter\n", __func__);
return err;
}
}
return 0;
}