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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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d3fc7aac11
Drivers can retrieve the state and configuration of clock by read transactions. This commit allows protocol abstraction layer to to dump the information for debugging, via proc interface. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
64 lines
1.5 KiB
C
64 lines
1.5 KiB
C
/*
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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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* Licensed under the terms of the GNU General Public License, version 2.
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*/
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#include "./ff.h"
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static void proc_dump_clock_config(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_clock_config(ff, buffer);
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}
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static void proc_dump_sync_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_sync_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 == NULL)
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return;
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snd_info_set_text_ops(entry, ff, op);
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if (snd_info_register(entry) < 0)
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snd_info_free_entry(entry);
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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 | S_IRUGO | S_IXUGO;
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if (snd_info_register(root) < 0) {
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snd_info_free_entry(root);
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return;
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}
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add_node(ff, root, "clock-config", proc_dump_clock_config);
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add_node(ff, root, "sync-status", proc_dump_sync_status);
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}
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