| 1 | // SPDX-License-Identifier: GPL-2.0 |
|---|---|
| 2 | /* |
| 3 | * Helpers for ChromeOS Vivaldi keyboard function row mapping |
| 4 | * |
| 5 | * Copyright (C) 2022 Google, Inc |
| 6 | */ |
| 7 | |
| 8 | #include <linux/export.h> |
| 9 | #include <linux/input/vivaldi-fmap.h> |
| 10 | #include <linux/kernel.h> |
| 11 | #include <linux/module.h> |
| 12 | #include <linux/types.h> |
| 13 | |
| 14 | /** |
| 15 | * vivaldi_function_row_physmap_show - Print vivaldi function row physmap attribute |
| 16 | * @data: The vivaldi function row map |
| 17 | * @buf: Buffer to print the function row phsymap to |
| 18 | */ |
| 19 | ssize_t vivaldi_function_row_physmap_show(const struct vivaldi_data *data, |
| 20 | char *buf) |
| 21 | { |
| 22 | ssize_t size = 0; |
| 23 | int i; |
| 24 | const u32 *physmap = data->function_row_physmap; |
| 25 | |
| 26 | if (!data->num_function_row_keys) |
| 27 | return 0; |
| 28 | |
| 29 | for (i = 0; i < data->num_function_row_keys; i++) |
| 30 | size += sysfs_emit_at(buf, at: size, |
| 31 | fmt: "%s%02X", size ? " ": "", physmap[i]); |
| 32 | if (size) |
| 33 | size += sysfs_emit_at(buf, at: size, fmt: "\n"); |
| 34 | |
| 35 | return size; |
| 36 | } |
| 37 | EXPORT_SYMBOL_GPL(vivaldi_function_row_physmap_show); |
| 38 | |
| 39 | MODULE_DESCRIPTION("Helpers for ChromeOS Vivaldi keyboard function row mapping"); |
| 40 | MODULE_LICENSE("GPL"); |
| 41 |