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Clarify that systems that have the GPIO pins wired to the hardware

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volume control need a device resource hint.

Reviewed by:	scottl
This commit is contained in:
Pyun YongHyeon 2005-06-08 05:23:39 +00:00
parent bf11e8ea9c
commit ee2350cc79
1 changed files with 5 additions and 2 deletions
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7
share/man/man4/snd_maestro3.4
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@ -65,10 +65,13 @@ ESS Technology Maestro3
.El
.Sh DIAGNOSTICS
The hardware volume control buttons can be connected to two different pin
sets on the chip, depending on the manufacturer.
sets(GPIO or GD) on the chip, depending on the manufacturer.
The driver has no way of determining this configuration, so a hint may be
used to override the default guess.
Add the line
The default setting for hardware volume control assumes that GD pins
are wired to control the hardware volume.
For systems that have the GPIO pins wired to the hardware volume control
buttons, add the line
.Dq Li hint.pcm.0.hwvol_config="0"
to the file
.Pa /boot/device.hints