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ASoC: soc-pcm: add dpcm_create/remove_debugfs_state()

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soc-pcm.c has implementation which depends on CONFIG_DEBUG_FS.
But, we don't want to have random #ifdef.
This patch adds dpcm_create/remove_debugfs_state() and care it.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/877e0jjc9b.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Kuninori Morimoto 2020-02-19 15:57:06 +09:00 committed by Mark Brown
parent c3212829f8
commit 154dae87e7
No known key found for this signature in database
GPG key ID: 24D68B725D5487D0
1 changed files with 34 additions and 17 deletions
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51
sound/soc/soc-pcm.c
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@ -164,6 +164,36 @@ void soc_dpcm_debugfs_add(struct snd_soc_pcm_runtime *rtd)
debugfs_create_file("state", 0444, rtd->debugfs_dpcm_root,
rtd, &dpcm_state_fops);
}
static void dpcm_create_debugfs_state(struct snd_soc_dpcm *dpcm, int stream)
{
char *name;
name = kasprintf(GFP_KERNEL, "%s:%s", dpcm->be->dai_link->name,
stream ? "capture" : "playback");
if (name) {
dpcm->debugfs_state = debugfs_create_dir(
name, dpcm->fe->debugfs_dpcm_root);
debugfs_create_u32("state", 0644, dpcm->debugfs_state,
&dpcm->state);
kfree(name);
}
}
static void dpcm_remove_debugfs_state(struct snd_soc_dpcm *dpcm)
{
debugfs_remove_recursive(dpcm->debugfs_state);
}
#else
static inline void dpcm_create_debugfs_state(struct snd_soc_dpcm *dpcm,
int stream)
{
}
static inline void dpcm_remove_debugfs_state(struct snd_soc_dpcm *dpcm)
{
}
#endif
static int soc_rtd_startup(struct snd_soc_pcm_runtime *rtd,
@ -1254,9 +1284,6 @@ static int dpcm_be_connect(struct snd_soc_pcm_runtime *fe,
{
struct snd_soc_dpcm *dpcm;
unsigned long flags;
#ifdef CONFIG_DEBUG_FS
char *name;
#endif
/* only add new dpcms */
for_each_dpcm_be(fe, stream, dpcm) {
@ -1281,17 +1308,8 @@ static int dpcm_be_connect(struct snd_soc_pcm_runtime *fe,
stream ? "capture" : "playback", fe->dai_link->name,
stream ? "<-" : "->", be->dai_link->name);
#ifdef CONFIG_DEBUG_FS
name = kasprintf(GFP_KERNEL, "%s:%s", be->dai_link->name,
stream ? "capture" : "playback");
if (name) {
dpcm->debugfs_state = debugfs_create_dir(name,
fe->debugfs_dpcm_root);
debugfs_create_u32("state", 0644, dpcm->debugfs_state,
&dpcm->state);
kfree(name);
}
#endif
dpcm_create_debugfs_state(dpcm, stream);
return 1;
}
@ -1344,9 +1362,8 @@ void dpcm_be_disconnect(struct snd_soc_pcm_runtime *fe, int stream)
/* BEs still alive need new FE */
dpcm_be_reparent(fe, dpcm->be, stream);
#ifdef CONFIG_DEBUG_FS
debugfs_remove_recursive(dpcm->debugfs_state);
#endif
dpcm_remove_debugfs_state(dpcm);
spin_lock_irqsave(&fe->card->dpcm_lock, flags);
list_del(&dpcm->list_be);
list_del(&dpcm->list_fe);