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Document newly added loader tunables "hw.acpi.install_interface" and

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"hw.acpi.remove_interface".
This commit is contained in:
Jung-uk Kim 2010-10-26 21:22:55 +00:00
parent c02999d982
commit 66f369d023
1 changed files with 21 additions and 1 deletions
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22
share/man/man4/acpi.4
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@ -25,7 +25,7 @@
.\"
.\" $FreeBSD$
.\"
.Dd October 12, 2010
.Dd October 26, 2010
.Dt ACPI 4
.Os
.Sh NAME
@ -224,6 +224,26 @@ Try increasing this number if you get the error
.Qq Li AE_NO_HARDWARE_RESPONSE .
.It Va hw.acpi.host_mem_start
Override the assumed memory starting address for PCI host bridges.
.It Va hw.acpi.install_interface , hw.acpi.remove_interface
Install or remove OS interface(s) to control return value of
.Ql _OSI
query method. When an OS interface is specified in
.Va hw.acpi.install_interface ,
.Li _OSI
query for the interface returns it is
.Em supported .
Conversely, when an OS interface is specified in
.Va hw.acpi.remove_interface ,
.Li _OSI
query returns it is
.Em not supported .
Multiple interfaces can be specified in a comma-separated list and
any leading white spaces will be ignored. For example,
.Qq Li FreeBSD, Linux
is a valid list of two interfaces
.Qq Li FreeBSD
and
.Qq Li Linux .
.It Va hw.acpi.reset_video
Enables calling the VESA reset BIOS vector on the resume path.
This can fix some graphics cards that have problems such as LCD white-out