mirror of https://gitee.com/openkylin/linux.git
63 lines
1.3 KiB
C
63 lines
1.3 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* ff-proc.c - a part of driver for RME Fireface series
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*
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* Copyright (c) 2015-2017 Takashi Sakamoto
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*/
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#include "./ff.h"
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const char *snd_ff_proc_get_clk_label(enum snd_ff_clock_src src)
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{
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static const char *const labels[] = {
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"Internal",
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"S/PDIF",
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"ADAT1",
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"ADAT2",
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"Word",
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"LTC",
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};
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if (src >= ARRAY_SIZE(labels))
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return NULL;
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return labels[src];
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}
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static void proc_dump_status(struct snd_info_entry *entry,
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struct snd_info_buffer *buffer)
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{
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struct snd_ff *ff = entry->private_data;
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ff->spec->protocol->dump_status(ff, buffer);
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}
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static void add_node(struct snd_ff *ff, struct snd_info_entry *root,
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const char *name,
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void (*op)(struct snd_info_entry *e,
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struct snd_info_buffer *b))
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{
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struct snd_info_entry *entry;
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entry = snd_info_create_card_entry(ff->card, name, root);
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if (entry)
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snd_info_set_text_ops(entry, ff, op);
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}
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void snd_ff_proc_init(struct snd_ff *ff)
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{
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struct snd_info_entry *root;
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/*
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* All nodes are automatically removed at snd_card_disconnect(),
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* by following to link list.
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*/
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root = snd_info_create_card_entry(ff->card, "firewire",
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ff->card->proc_root);
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if (root == NULL)
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return;
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root->mode = S_IFDIR | 0555;
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add_node(ff, root, "status", proc_dump_status);
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}
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