// SPDX-License-Identifier: GPL-2.0
/*
 * Helpers for ChromeOS Vivaldi keyboard function row mapping
 *
 * Copyright (C) 2022 Google, Inc
 */

#include <linux/export.h>
#include <linux/input/vivaldi-fmap.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/types.h>

/**
 * vivaldi_function_row_physmap_show - Print vivaldi function row physmap attribute
 * @data: The vivaldi function row map
 * @buf: Buffer to print the function row phsymap to
 */
ssize_t vivaldi_function_row_physmap_show(const struct vivaldi_data *data,
                                          char *buf)
{
        ssize_t size = 0;
        int i;
        const u32 *physmap = data->function_row_physmap;

        if (!data->num_function_row_keys)
                return 0;

        for (i = 0; i < data->num_function_row_keys; i++)
                size += sysfs_emit_at(buf, size,
                                      "%s%02X", size ? " " : "", physmap[i]);
        if (size)
                size += sysfs_emit_at(buf, size, "\n");

        return size;
}
EXPORT_SYMBOL_GPL(vivaldi_function_row_physmap_show);

MODULE_DESCRIPTION("Helpers for ChromeOS Vivaldi keyboard function row mapping");
MODULE_LICENSE("GPL");