@@ -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
@@ -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
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. Signed-off-by: Takashi Iwai <tiwai@suse.de> --- sound/core/seq/seq_clientmgr.c | 15 +++++++++++++++ sound/core/seq/seq_clientmgr.h | 4 ++++ 2 files changed, 19 insertions(+)