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