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Move the reset beep tunable/sysctl to debug.acpi.resume_beep. This makes

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more sense than under hw.acpi.  Also, document this in the man page.
This commit is contained in:
Nate Lawson 2006-06-10 08:06:16 +00:00
parent 197b4dcc64
commit b46f4324ff
3 changed files with 17 additions and 9 deletions
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12
share/man/man4/acpi.4
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@ -93,6 +93,9 @@ Tunables can be set at the
.Xr loader 8
prompt before booting the kernel or stored in
.Pa /boot/loader.conf .
Many of these tunables also have a matching
.Xr sysctl 8
entry for access after boot.
.Bl -tag -width indent
.It Va acpi_dsdt_load
Enables loading of a custom ACPI DSDT.
@ -107,6 +110,10 @@ handle parallel requests.
The default value is 3.
.It Va debug.acpi.quirks
Override any automatic quirks completely.
.It Va debug.acpi.resume_beep
Beep the PC speaker on resume.
This can help diagnose suspend/resume problems.
Default is 0 (disabled).
.It Va hint.acpi.0.disabled
Set this to 1 to disable all of ACPI.
If ACPI has been disabled on your system due to a blacklist entry for your
@ -119,8 +126,9 @@ Try increasing this number if you get the error
Override the assumed memory starting address for PCI host bridges.
.It Va hw.acpi.reset_video
Enables calling the VESA reset BIOS vector on the resume path.
Some graphic chips have problems such as LCD white-out after resume.
Try setting this to 0 if this causes problems for you.
This can fix some graphics cards that have problems such as LCD white-out
after resume.
Default is 0 (disabled).
.It Va hw.acpi.serialize_methods
Allow override of whether methods execute in parallel or not.
Enable this for serial behavior, which fixes

12
sys/i386/acpica/acpi_machdep.c
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@ -52,8 +52,12 @@ __FBSDID("$FreeBSD$");
#include <i386/bios/apm.h>
SYSCTL_DECL(_debug_acpi);
uint32_t acpi_resume_beep;
TUNABLE_INT("hw.acpi.resume_beep", &acpi_resume_beep);
TUNABLE_INT("debug.acpi.resume_beep", &acpi_resume_beep);
SYSCTL_UINT(_debug_acpi, OID_AUTO, resume_beep, CTLFLAG_RW, &acpi_resume_beep,
0, "Beep the PC speaker when resuming");
uint32_t acpi_reset_video;
TUNABLE_INT("hw.acpi.reset_video", &acpi_reset_video);
@ -322,11 +326,7 @@ acpi_machdep_init(device_t dev)
SYSCTL_ADD_UINT(&sc->acpi_sysctl_ctx,
SYSCTL_CHILDREN(sc->acpi_sysctl_tree), OID_AUTO,
"resume_beep", CTLFLAG_RD | CTLFLAG_RW, &acpi_resume_beep, 0,
"Beep the PC speaker when resuming");
SYSCTL_ADD_UINT(&sc->acpi_sysctl_ctx,
SYSCTL_CHILDREN(sc->acpi_sysctl_tree), OID_AUTO,
"reset_video", CTLFLAG_RD | CTLFLAG_RW, &acpi_reset_video, 0,
"reset_video", CTLFLAG_RW, &acpi_reset_video, 0,
"Call the VESA reset BIOS vector on the resume path");
return (0);

2
sys/i386/acpica/acpi_wakecode.S
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@ -34,7 +34,7 @@
#include "assym.s"
.align 4096
.align 4
.code16
wakeup_16:
nop