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https://github.com/X11Libre/xf86-video-intel.git
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3d629c91cf
Once the xserver stops running as root on kms capabable systems, we will need
some other way to access the backlight.
The approach taken in this patch moves most of the heavy lifting to a
helper that runs with root privileges and pipes our requested brightness
into the sysfs backlight interface. Where required, we use pkexec to
launch the helper with the elevated privilege.
v2: Amalgamate much more of the duplicate code.
Keep the daemon and pipe alive for the lifetime of the backlight interface.
Provide an alternative for systems without PolicyKit.
Signed-off-by: Hans de Goede <hdegoede@redhat.com> [v1]
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
67 lines
2.3 KiB
Makefile
67 lines
2.3 KiB
Makefile
# Copyright 2005 Adam Jackson.
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#
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# Permission is hereby granted, free of charge, to any person obtaining a
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# copy of this software and associated documentation files (the "Software"),
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# to deal in the Software without restriction, including without limitation
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# on the rights to use, copy, modify, merge, publish, distribute, sub
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# license, and/or sell copies of the Software, and to permit persons to whom
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# the Software is furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice (including the next
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# paragraph) shall be included in all copies or substantial portions of the
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# Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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# ADAM JACKSON BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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# IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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AM_CFLAGS = \
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@CWARNFLAGS@ \
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@NOWARNFLAGS@ \
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$(NULL)
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drivermandir = $(DRIVER_MAN_DIR)
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backlight_helperdir = $(prefix)/libexec
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policydir = $(datarootdir)/polkit-1/actions
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if BUILD_TOOLS
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bin_PROGRAMS = intel-virtual-output
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driverman_DATA = intel-virtual-output.$(DRIVER_MAN_SUFFIX)
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endif
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if BUILD_BACKLIGHT_HELPER
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backlight_helper_PROGRAMS = xf86-video-intel-backlight-helper
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nodist_policy_DATA = org.x.xf86-video-intel.backlight-helper.policy
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backlight_helper = $(backlight_helperdir)/xf86-video-intel-backlight-helper
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install-data-hook:
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-chown root $(backlight_helper) && chmod u+s $(backlight_helper)
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endif
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intel_virtual_output_CFLAGS = \
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@CWARNFLAGS@ \
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$(TOOL_CFLAGS) \
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@NOWARNFLAGS@ \
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$(NULL)
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intel_virtual_output_SOURCES = \
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virtual.c \
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$(NULL)
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intel_virtual_output_LDADD = \
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$(TOOL_LIBS) \
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$(NULL)
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xf86_video_intel_backlight_helper_SOURCES = \
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backlight_helper.c \
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$(NULL)
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EXTRA_DIST = intel-virtual-output.man org.x.xf86-video-intel.backlight-helper.policy.in
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CLEANFILES = $(driverman_DATA) $(nodist_policy_DATA)
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# String replacements in MAN_SUBSTS now come from xorg-macros.m4 via configure
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SUFFIXES = .$(DRIVER_MAN_SUFFIX) .man
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.man.$(DRIVER_MAN_SUFFIX):
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$(AM_V_GEN)$(SED) $(MAN_SUBSTS) < $< > $@
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