1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * HD audio Component Binding Interface 4 * 5 * Copyright (C) 2021 Cirrus Logic, Inc. and 6 * Cirrus Logic International Semiconductor Ltd. 7 */ 8 9 #include <linux/component.h> 10 11 #define HDA_MAX_COMPONENTS 4 12 #define HDA_MAX_NAME_SIZE 50 13 14 struct hda_component { 15 struct device *dev; 16 char name[HDA_MAX_NAME_SIZE]; 17 void (*playback_hook)(struct device *dev, int action); 18 int (*set_channel_map)(struct device *dev, unsigned int rx_num, unsigned int *rx_slot, 19 unsigned int tx_num, unsigned int *tx_slot); 20 }; 21