Date: Fri, 22 Jan 2010 11:42:23 +0000 (UTC) From: Alexander Motin <mav@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-8@freebsd.org Subject: svn commit: r202804 - stable/8/share/man/man4 Message-ID: <201001221142.o0MBgNqV058017@svn.freebsd.org>
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Author: mav Date: Fri Jan 22 11:42:23 2010 New Revision: 202804 URL: http://svn.freebsd.org/changeset/base/202804 Log: MFC r202798: Add "MIXER CONTROLS" chapter. Modified: stable/8/share/man/man4/snd_hda.4 Directory Properties: stable/8/share/man/man4/ (props changed) stable/8/share/man/man4/de.4 (props changed) Modified: stable/8/share/man/man4/snd_hda.4 ============================================================================== --- stable/8/share/man/man4/snd_hda.4 Fri Jan 22 11:40:55 2010 (r202803) +++ stable/8/share/man/man4/snd_hda.4 Fri Jan 22 11:42:23 2010 (r202804) @@ -25,7 +25,7 @@ .\" .\" $FreeBSD$ .\" -.Dd January 12, 2010 +.Dd January 22, 2010 .Dt SND_HDA 4 .Os .Sh NAME @@ -459,6 +459,42 @@ mic and line-in) and headset (headphones .Li pcm1 for internal speaker playback. On headphones connection rear connectors will be muted. +.Sh MIXER CONTROLS +Depending on codec configuration, these controls and signal sources could be +reported to +.Xr sound 4 : +.Pp +.Bl -tag -width ".Va speaker" -offset indent +.It Va vol +overall output level (volume) +.It Va rec +overall recording level +.It Va igain +input-to-output monitoring loopback level +.It Va ogain +external amplifier control +.It Va pcm +PCM playback +.It Va mix +input mix +.It Va mic +first external or second internal microphone input +.It Va monitor +first internal or second external microphone input +.It Va line , Va line1 , Va line2, Va line3 +analog (line) inputs +.It Va dig1 , Va dig2 , Va dig3 +digital (S/PDIF, HDMI or DisplayPort) inputs +.It Va cd +CD input +.It Va speaker +PC speaker input +.It Va phin , Va phout , Va radio . Va video +other random inputs +.El +.Pp +Controls have different precision. Some could be just an on/off triggers. +Most of controls use logarithmic scale. .Sh HARDWARE The .Nm
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