linux/drivers/media/test-drivers/vivid/vivid-radio-rx.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * vivid-radio-rx.c - radio receiver support functions.
 *
 * Copyright 2014 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
 */

#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/delay.h>
#include <linux/videodev2.h>
#include <linux/v4l2-dv-timings.h>
#include <linux/sched/signal.h>

#include <media/v4l2-common.h>
#include <media/v4l2-event.h>
#include <media/v4l2-dv-timings.h>

#include "vivid-core.h"
#include "vivid-ctrls.h"
#include "vivid-radio-common.h"
#include "vivid-rds-gen.h"
#include "vivid-radio-rx.h"

ssize_t vivid_radio_rx_read(struct file *file, char __user *buf,
			 size_t size, loff_t *offset)
{ … }

__poll_t vivid_radio_rx_poll(struct file *file, struct poll_table_struct *wait)
{ … }

int vivid_radio_rx_enum_freq_bands(struct file *file, void *fh, struct v4l2_frequency_band *band)
{ … }

int vivid_radio_rx_s_hw_freq_seek(struct file *file, void *fh, const struct v4l2_hw_freq_seek *a)
{ … }

int vivid_radio_rx_g_tuner(struct file *file, void *fh, struct v4l2_tuner *vt)
{ … }

int vivid_radio_rx_s_tuner(struct file *file, void *fh, const struct v4l2_tuner *vt)
{ … }