svn commit: r359440 - head/sys/dev/sound/pcm

[Hans Petter Selasky]

Author: hselasky
Date: Mon Mar 30 15:36:38 2020
New Revision: 359440
URL: https://svnweb.freebsd.org/changeset/base/359440

Log:
  Implement new mixer API to return the device pointer based on the mixer pointer.
  
  MFC after:	1 week
  Sponsored by:	Mellanox Technologies

Modified:
  head/sys/dev/sound/pcm/mixer.c
  head/sys/dev/sound/pcm/mixer.h

Modified: head/sys/dev/sound/pcm/mixer.c
==============================================================================
--- head/sys/dev/sound/pcm/mixer.c	Mon Mar 30 15:29:39 2020	(r359439)
+++ head/sys/dev/sound/pcm/mixer.c	Mon Mar 30 15:36:38 2020	(r359440)
@@ -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: head/sys/dev/sound/pcm/mixer.h
==============================================================================
--- head/sys/dev/sound/pcm/mixer.h	Mon Mar 30 15:29:39 2020	(r359439)
+++ head/sys/dev/sound/pcm/mixer.h	Mon Mar 30 15:36:38 2020	(r359440)
@@ -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);