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Current Path: /usr/lib64/pm-utils/module.d

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📄 kernel(120 B)
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📄 uswsusp(3.07 KB)

Editing: uswsusp

#!/bin/sh

# disable processing of 90chvt and 99video.
# s2ram and s2disk handle all this stuff internally.
uswsusp_hooks()
{
	disablehook 99video "disabled by uswsusp"
}

# Since we disabled 99video, we need to take responsibility for proper
# quirk handling.  s2ram handles all common video quirks internally,
# so all we have to do is translate the HAL standard options to s2ram options.
uswsusp_get_quirks()
{
	OPTS=""
	ACPI_SLEEP=0
	for opt in $PM_CMDLINE; do
		case "${opt##--quirk-}" in # just quirks, please
			dpms-on) 	   ;; # no-op
			dpms-suspend) 	   ;; # no-op
			radeon-off) 	   OPTS="$OPTS --radeontool" ;;
			reset-brightness)  ;; # no-op
			s3-bios) 	   ACPI_SLEEP=$(($ACPI_SLEEP + 1)) ;;
			s3-mode) 	   ACPI_SLEEP=$(($ACPI_SLEEP + 2)) ;;
			vbe-post) 	   OPTS="$OPTS --vbe_post" ;;
			vbemode-restore)   OPTS="$OPTS --vbe_mode" ;;
			vbestate-restore)  OPTS="$OPTS --vbe_save" ;;
			vga-mode-3) 	   ;; # no-op
			save-pci)          OPTS="$OPTS --pci_save" ;;
			none) 		   QUIRK_NONE="true" ;;
			*) continue ;;
		esac
	done
	[ $ACPI_SLEEP -ne 0 ] && OPTS="$OPTS --acpi_sleep $ACPI_SLEEP"
	# if we were told to ignore quirks, do so.
	# This is arguably not the best way to do things, but...
	[ "$QUIRK_NONE" = "true" ] && OPTS=""
}

# Since we disabled 99video, we also need to handle displaying
# help info for the quirks we handle.
uswsusp_help()
{
	echo  # first echo makes it look nicer.
	echo "s2ram video quirk handler options:"
	echo
	echo "  --quirk-radeon-off"
	echo "  --quirk-s3-bios"
	echo "  --quirk-s3-mode"
	echo "  --quirk-vbe-post"
	echo "  --quirk-vbemode-restore"
	echo "  --quirk-vbestate-restore"
	echo "  --quirk-save-pci"
	echo "  --quirk-none"
}

# This idiom is used for all sleep methods.  Only declare the actual
# do_ method if:
# 1: some other sleep module has not already done so, and
# 2: this sleep method can actually work on this system.
#
# For suspend, if SUSPEND_MODULE is set then something else has already
# implemented do_suspend.  We could just check to see of do_suspend was
# already declared using command_exists, but using a dedicated environment
# variable makes it easier to debug when we have to know what sleep module
# ended up claiming ownership of a given sleep method.
if [ -z "$SUSPEND_MODULE" ] && command_exists s2ram && \
	( grep -q mem /sys/power/state || \
		( [ -c /dev/pmu ] && pm-pmu --check; ); ); then
	SUSPEND_MODULE="uswsusp"
	do_suspend()
	{
		uswsusp_get_quirks
		s2ram --force $OPTS
	}
	if [ "$METHOD" = "suspend" ]; then
		add_before_hooks uswsusp_hooks
		add_module_help uswsusp_help
	fi
fi

if [ -z "$HIBERNATE_MODULE" ] && \
	[ -f /sys/power/disk ] && \
	grep -q disk /sys/power/state && \
	[ -c /dev/snapshot ] &&
	command_exists s2disk; then
	HIBERNATE_MODULE="uswsusp"
	do_hibernate()
	{
		s2disk
	}
fi

if [ -z "$SUSPEND_HYBRID_MODULE" ] && 
	grep -q mem /sys/power/state && \
	command_exists s2both && \
	check_hibernate; then
	SUSPEND_HYBRID_MODULE="uswsusp"
	do_suspend_hybrid()
	{
		uswsusp_get_quirks
		s2both --force $OPTS 
	}
	if [ "$METHOD" = "suspend_hybrid" ]; then
		add_before_hooks uswsusp_hooks
		add_module_help uswsusp_help
	fi
fi

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