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_LICENSE("GPL"); |
40 |