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Diff for /src/usr.bin/sndioctl/sndioctl.1 between version 1.10 and 1.11

version 1.10, 2020/04/21 13:24:29 version 1.11, 2020/04/21 14:04:17
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 .Os  .Os
 .Sh NAME  .Sh NAME
 .Nm sndioctl  .Nm sndioctl
 .Nd control audio parameters  .Nd manipulate audio device controls
 .Sh SYNOPSIS  .Sh SYNOPSIS
 .Nm  .Nm
 .Bk -words  .Bk -words
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 .Sh DESCRIPTION  .Sh DESCRIPTION
 The  The
 .Nm  .Nm
 utility can display or change parameters of  utility can display or manipulate controls of
 .Xr sndio 7  .Xr sndio 7
 audio devices.  audio devices, like the output level.
 The options are as follows:  The options are as follows:
 .Bl -tag -width Ds  .Bl -tag -width Ds
 .It Fl d  .It Fl d
 Dump the raw list of available parameters and exit.  Dump the raw list of available controls and exit.
 Useful as a debugging tool.  Useful as a debugging tool.
 .It Fl f Ar device  .It Fl f Ar device
 Use this  Use this
 .Xr sndio 7  .Xr sndio 7
 audio device.  audio device.
 .It Fl i  .It Fl i
 Display characteristics of requested parameters  Display characteristics of requested controls
 instead of their values.  instead of their values.
 .It Fl m  .It Fl m
 Monitor and display audio parameter changes.  Monitor and display audio controls changes.
 .It Fl n  .It Fl n
 Suppress printing of the variable name.  Suppress printing of the variable name.
 .It Fl q  .It Fl q
 Suppress all printing when setting a variable.  Suppress all printing when setting a variable.
 .It Fl v  .It Fl v
 Enable verbose mode, a.k.a. multi-channel mode.  Enable verbose mode, a.k.a. multi-channel mode.
 By default parameters affecting different channels  By default controls affecting different channels
 of the same stream are disguised as a single mono  of the same stream are disguised as a single mono
 parameter to hide details that are not essential.  control to hide details that are not essential.
 .El  .El
 .Pp  .Pp
 If no commands are specified all valid parameters are displayed on  If no commands are specified all valid controls are displayed on
 .Em stdout .  .Em stdout .
 Unless  Unless
 .Fl d ,  .Fl d ,
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 .Fl n ,  .Fl n ,
 or  or
 .Fl i  .Fl i
 are used, displayed parameters are valid commands.  are used, displayed lines are valid commands.
 The set of available controls depends on the control device.  The set of available controls depends on the audio device.
 .Pp  .Pp
 Commands use the following two formats to display and set  Commands use the following two formats to display and change
 parameters respectively:  controls respectively:
 .Pp  .Pp
 .Dl group/stream[channel].function  .Dl group/stream[channel].function
 .Dl group/stream[channel].function=value  .Dl group/stream[channel].function=value
 .Pp  .Pp
 On the left-hand side are specified the parameter group (if any),  On the left-hand side are specified the control group (if any),
 the affected stream name, and the optional channel number.  the affected stream name, and the optional channel number.
 Examples of left-hand side terms:  Examples of left-hand side terms:
 .Pp  .Pp
Legend:
Removed from v.1.10  
changed lines
  Added in v.1.11