linux/sound/soc/sh/rcar/debugfs.c

// SPDX-License-Identifier: GPL-2.0
//
// // Renesas R-Car debugfs support
//
// Copyright (c) 2021 Kuninori Morimoto <[email protected]>
//
//	> mount -t debugfs none /sys/kernel/debug
//	> cd /sys/kernel/debug/asoc/rcar-sound/ec500000.sound/rdai{N}/
//	> cat playback/xxx
//	> cat capture/xxx
//
#ifdef CONFIG_DEBUG_FS

#include <linux/debugfs.h>
#include "rsnd.h"

static int rsnd_debugfs_show(struct seq_file *m, void *v)
{ … }
DEFINE_SHOW_ATTRIBUTE(…);

void rsnd_debugfs_reg_show(struct seq_file *m, phys_addr_t _addr,
			   void __iomem *base, int offset, int size)
{ … }

void rsnd_debugfs_mod_reg_show(struct seq_file *m, struct rsnd_mod *mod,
			       int reg_id, int offset, int size)
{ … }

int rsnd_debugfs_probe(struct snd_soc_component *component)
{ … }

#endif /* CONFIG_DEBUG_FS */