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CVS commit: [netbsd-8] src

Module Name:    src
Committed By:   martin
Date:           Tue May 15 13:42:50 UTC 2018

Modified Files:
        src/distrib/sets/lists/man [netbsd-8]: mi
        src/share/man/man4 [netbsd-8]: audio.4
        src/share/man/man7 [netbsd-8]: Makefile intro.7
        src/share/man/man9 [netbsd-8]: audio.9
        src/sys/dev [netbsd-8]: audio.c
Added Files:
        src/share/man/man7 [netbsd-8]: audio.7

Log Message:
Pull up following revision(s) (requested by nat in ticket #825):

        share/man/man7/Makefile: revision 1.32
        share/man/man9/audio.9: revision 1.46
        sys/dev/audio.c: revision 1.453
        sys/dev/audio.c: revision 1.454
        sys/dev/audio.c: revision 1.455
        share/man/man7/audio.7: revision 1.1
        share/man/man7/audio.7: revision 1.2
        share/man/man7/intro.7: revision 1.24
        share/man/man4/audio.4: revision 1.85
        distrib/sets/lists/man/mi: revision 1.1586

Fix numbering of vchan mixer controls to correspond to the vchan number in

This makes the numbering of vchans consistient for audioctl and mixerctl.
Expose the audio_info structure of vchan zero(0) the mix ring to allow
setting the hardware gain and balance via audioctl(1) using the -p 0

It is not possible to influence the hardware gain/blance from the
audio_info structure of vchans 1 onwards.  It is now possible to return
the audio mixers audio format from the audio_info structure of vchan 0 to
ease applications configuring for mmapped play back.

This is conformant to the audio specification posted on tech-kern see:

        "NetBSD Audio Specification 2018"

or audio.7 manual page to be added in a follow up commit.
Add the audio mixer specification to section 7 of the manual.
See posting on tech-kern - "NetBSD Audio Specification 2018."
Update the introduction page to section 7 of the manual noting the audio

Various improvements, more markup, typo fixes.

Fix over cautious compiler error - setmode may not be initialized.

To generate a diff of this commit:
cvs rdiff -u -r1.1557.2.3 -r1.1557.2.4 src/distrib/sets/lists/man/mi
cvs rdiff -u -r1.79.2.1 -r1.79.2.2 src/share/man/man4/audio.4
cvs rdiff -u -r1.31 -r1.31.8.1 src/share/man/man7/Makefile
cvs rdiff -u -r0 -r1.2.2.2 src/share/man/man7/audio.7
cvs rdiff -u -r1.23 -r1.23.24.1 src/share/man/man7/intro.7
cvs rdiff -u -r1.44 -r1.44.16.1 src/share/man/man9/audio.9
cvs rdiff -u -r1.357.2.11 -r1.357.2.12 src/sys/dev/audio.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

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