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1// SPDX-License-Identifier: GPL-2.0-only2/*3 * ff-proc.c - a part of driver for RME Fireface series4 *5 * Copyright (c) 2015-2017 Takashi Sakamoto6 */7 8#include "./ff.h"9 10const char *snd_ff_proc_get_clk_label(enum snd_ff_clock_src src)11{12 static const char *const labels[] = {13 "Internal",14 "S/PDIF",15 "ADAT1",16 "ADAT2",17 "Word",18 "LTC",19 };20 21 if (src >= ARRAY_SIZE(labels))22 return NULL;23 24 return labels[src];25}26 27static void proc_dump_status(struct snd_info_entry *entry,28 struct snd_info_buffer *buffer)29{30 struct snd_ff *ff = entry->private_data;31 32 ff->spec->protocol->dump_status(ff, buffer);33}34 35static void add_node(struct snd_ff *ff, struct snd_info_entry *root,36 const char *name,37 void (*op)(struct snd_info_entry *e,38 struct snd_info_buffer *b))39{40 struct snd_info_entry *entry;41 42 entry = snd_info_create_card_entry(ff->card, name, root);43 if (entry)44 snd_info_set_text_ops(entry, ff, op);45}46 47void snd_ff_proc_init(struct snd_ff *ff)48{49 struct snd_info_entry *root;50 51 /*52 * All nodes are automatically removed at snd_card_disconnect(),53 * by following to link list.54 */55 root = snd_info_create_card_entry(ff->card, "firewire",56 ff->card->proc_root);57 if (root == NULL)58 return;59 root->mode = S_IFDIR | 0555;60 61 add_node(ff, root, "status", proc_dump_status);62}63