svn commit: r359885 - stable/12/sys/dev/sound/pcm

[Hans Petter Selasky]

Author: hselasky
Date: Mon Apr 13 16:31:13 2020
New Revision: 359885
URL: https://svnweb.freebsd.org/changeset/base/359885

Log:
  MFC r359440:
  Implement new mixer API to return the device pointer based on the mixer pointer.
  
  Sponsored by:	Mellanox Technologies

Modified:
  stable/12/sys/dev/sound/pcm/mixer.c
  stable/12/sys/dev/sound/pcm/mixer.h
Directory Properties:
  stable/12/   (props changed)

Modified: stable/12/sys/dev/sound/pcm/mixer.c
==============================================================================
--- stable/12/sys/dev/sound/pcm/mixer.c	Mon Apr 13 16:30:10 2020	(r359884)
+++ stable/12/sys/dev/sound/pcm/mixer.c	Mon Apr 13 16:31:13 2020	(r359885)
@@ -1032,6 +1032,14 @@ mix_get_type(struct snd_mixer *m)
 	return (m->type);
 }
 
+device_t
+mix_get_dev(struct snd_mixer *m)
+{
+	KASSERT(m != NULL, ("NULL snd_mixer"));
+
+	return (m->dev);
+}
+
 /* ----------------------------------------------------------------------- */
 
 static int

Modified: stable/12/sys/dev/sound/pcm/mixer.h
==============================================================================
--- stable/12/sys/dev/sound/pcm/mixer.h	Mon Apr 13 16:30:10 2020	(r359884)
+++ stable/12/sys/dev/sound/pcm/mixer.h	Mon Apr 13 16:31:13 2020	(r359885)
@@ -56,6 +56,7 @@ int mix_get(struct snd_mixer *m, u_int dev);
 int mix_setrecsrc(struct snd_mixer *m, u_int32_t src);
 u_int32_t mix_getrecsrc(struct snd_mixer *m);
 int mix_get_type(struct snd_mixer *m);
+device_t mix_get_dev(struct snd_mixer *m);
 
 void mix_setdevs(struct snd_mixer *m, u_int32_t v);
 void mix_setrecdevs(struct snd_mixer *m, u_int32_t v);