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Add info about mixer_level_t which has been missing for all these years.

This commit is contained in:
augustss 1998-05-28 17:27:15 +00:00
parent 0c05b92da1
commit 7d31de6a7a
1 changed files with 13 additions and 1 deletions
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14
share/man/man4/audio.4
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@ -1,4 +1,4 @@
.\" $NetBSD: audio.4,v 1.19 1998/05/09 12:10:31 augustss Exp $
.\" $NetBSD: audio.4,v 1.20 1998/05/28 17:27:15 augustss Exp $
.\"
.\" Copyright (c) 1996 The NetBSD Foundation, Inc.
.\" All rights reserved.
@ -480,6 +480,18 @@ typedef struct mixer_ctrl {
mixer_level_t value; /* value */
} un;
} mixer_ctrl_t;
.Ed
.Bd -literal
#define AUDIO_MIN_GAIN 0
#define AUDIO_MAX_GAIN 255
typedef struct mixer_level {
int num_channels;
u_char level[8]; /* [num_channels] */
} mixer_level_t;
#define AUDIO_MIXER_LEVEL_MONO 0
#define AUDIO_MIXER_LEVEL_LEFT 0
#define AUDIO_MIXER_LEVEL_RIGHT 1
.Ed
These commands read the current mixer state or set new mixer state for
the specified device