Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * ff-proc.c - a part of driver for RME Fireface series
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * Copyright (c) 2015-2017 Takashi Sakamoto
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) #include "./ff.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) const char *snd_ff_proc_get_clk_label(enum snd_ff_clock_src src)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 	static const char *const labels[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 		"Internal",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 		"S/PDIF",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 		"ADAT1",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 		"ADAT2",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 		"Word",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 		"LTC",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	if (src >= ARRAY_SIZE(labels))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 		return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	return labels[src];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) static void proc_dump_status(struct snd_info_entry *entry,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 			     struct snd_info_buffer *buffer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	struct snd_ff *ff = entry->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	ff->spec->protocol->dump_status(ff, buffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) static void add_node(struct snd_ff *ff, struct snd_info_entry *root,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 		     const char *name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 		     void (*op)(struct snd_info_entry *e,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 				struct snd_info_buffer *b))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	struct snd_info_entry *entry;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	entry = snd_info_create_card_entry(ff->card, name, root);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 	if (entry)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 		snd_info_set_text_ops(entry, ff, op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) void snd_ff_proc_init(struct snd_ff *ff)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 	struct snd_info_entry *root;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 	 * All nodes are automatically removed at snd_card_disconnect(),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 	 * by following to link list.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 	root = snd_info_create_card_entry(ff->card, "firewire",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 					  ff->card->proc_root);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 	if (root == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) 	root->mode = S_IFDIR | 0555;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 	add_node(ff, root, "status", proc_dump_status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) }