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-rw-r--r--sys/dev/sound/pcm/sound.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/sys/dev/sound/pcm/sound.h b/sys/dev/sound/pcm/sound.h
index 9a32f2b..2f659d8 100644
--- a/sys/dev/sound/pcm/sound.h
+++ b/sys/dev/sound/pcm/sound.h
@@ -85,6 +85,12 @@ struct isa_device { int dummy; };
#include <dev/sound/pcm/mixer.h>
#include <dev/sound/pcm/dsp.h>
+#define PCM_MODVER 1
+
+#define PCM_MINVER 1
+#define PCM_PREFVER PCM_MODVER
+#define PCM_MAXVER 1
+
#define MAGIC(unit) (0xa4d10de0 + unit)
#define SD_F_SIMPLEX 0x00000001
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