diff options
| author | Takashi Iwai <tiwai@suse.de> | 2023-05-23 09:53:40 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2023-05-23 12:11:15 +0200 |
| commit | d0c8308fc58b3f02868388b294a94d501c816900 (patch) | |
| tree | d63b6b4084297428c4fb986ce843b5a72ada9e5e /sound/core/seq | |
| parent | ea46f79709b6262f12c8ca24f32bfe8d638152ee (diff) | |
ALSA: seq: Treat snd_seq_client object directly in client drivers
Introduce the new helpers, snd_seq_kernel_client_get() and _put() for
kernel client drivers to treat the snd_seq_client more directly.
This allows us to reduce the exported symbols and APIs at each time we
need to access some field in future.
Reviewed-by: Jaroslav Kysela <perex@perex.cz>
Link: https://lore.kernel.org/r/20230523075358.9672-20-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/core/seq')
| -rw-r--r-- | sound/core/seq/seq_clientmgr.c | 15 | ||||
| -rw-r--r-- | sound/core/seq/seq_clientmgr.h | 4 |
2 files changed, 19 insertions, 0 deletions
diff --git a/sound/core/seq/seq_clientmgr.c b/sound/core/seq/seq_clientmgr.c index 2d707afa1ef1..98e8032a32e2 100644 --- a/sound/core/seq/seq_clientmgr.c +++ b/sound/core/seq/seq_clientmgr.c @@ -2390,6 +2390,21 @@ int snd_seq_kernel_client_write_poll(int clientid, struct file *file, poll_table } EXPORT_SYMBOL(snd_seq_kernel_client_write_poll); +/* get a sequencer client object; for internal use from a kernel client */ +struct snd_seq_client *snd_seq_kernel_client_get(int id) +{ + return snd_seq_client_use_ptr(id); +} +EXPORT_SYMBOL_GPL(snd_seq_kernel_client_get); + +/* put a sequencer client object; for internal use from a kernel client */ +void snd_seq_kernel_client_put(struct snd_seq_client *cptr) +{ + if (cptr) + snd_seq_client_unlock(cptr); +} +EXPORT_SYMBOL_GPL(snd_seq_kernel_client_put); + /*---------------------------------------------------------------------------*/ #ifdef CONFIG_SND_PROC_FS diff --git a/sound/core/seq/seq_clientmgr.h b/sound/core/seq/seq_clientmgr.h index 8cdd0ee53fb1..f05704e45ab4 100644 --- a/sound/core/seq/seq_clientmgr.h +++ b/sound/core/seq/seq_clientmgr.h @@ -88,4 +88,8 @@ void snd_seq_client_ioctl_unlock(int clientid); extern int seq_client_load[15]; +/* for internal use between kernel sequencer clients */ +struct snd_seq_client *snd_seq_kernel_client_get(int client); +void snd_seq_kernel_client_put(struct snd_seq_client *cptr); + #endif |