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 */ vivaldi_function_row_physmap_show(const struct vivaldi_data * data,char * buf)19ssize_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, size, 31 "%s%02X", size ? " " : "", physmap[i]); 32 if (size) 33 size += sysfs_emit_at(buf, size, "\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