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docs: video-output.txt: convert it to ReST format
This file doesn't follow the documentation style we use within the Kernel. Fix it. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Video Output Switcher Control
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Video Output Switcher Control
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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2006 luming.yu@intel.com
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2006 luming.yu@intel.com
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The output sysfs class driver provides an abstract video output layer that
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can be used to hook platform specific methods to enable/disable video output
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device through common sysfs interface. For example, on my IBM ThinkPad T42
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laptop, The ACPI video driver registered its output devices and read/write
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method for 'state' with output sysfs class. The user interface under sysfs is:
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method for 'state' with output sysfs class. The user interface under sysfs is::
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linux:/sys/class/video_output # tree .
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.
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|-- CRT0
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| |-- device -> ../../../devices/pci0000:00/0000:00:01.0
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| |-- state
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| |-- subsystem -> ../../../class/video_output
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| `-- uevent
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|-- DVI0
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| |-- device -> ../../../devices/pci0000:00/0000:00:01.0
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| |-- state
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| |-- subsystem -> ../../../class/video_output
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| `-- uevent
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|-- LCD0
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| |-- device -> ../../../devices/pci0000:00/0000:00:01.0
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| |-- state
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| |-- subsystem -> ../../../class/video_output
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| `-- uevent
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`-- TV0
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|-- device -> ../../../devices/pci0000:00/0000:00:01.0
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|-- state
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|-- subsystem -> ../../../class/video_output
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`-- uevent
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linux:/sys/class/video_output # tree .
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.
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|-- CRT0
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| |-- device -> ../../../devices/pci0000:00/0000:00:01.0
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| |-- state
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| |-- subsystem -> ../../../class/video_output
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| `-- uevent
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|-- DVI0
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| |-- device -> ../../../devices/pci0000:00/0000:00:01.0
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| |-- state
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| |-- subsystem -> ../../../class/video_output
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| `-- uevent
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|-- LCD0
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| |-- device -> ../../../devices/pci0000:00/0000:00:01.0
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| |-- state
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| |-- subsystem -> ../../../class/video_output
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| `-- uevent
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`-- TV0
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|-- device -> ../../../devices/pci0000:00/0000:00:01.0
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|-- state
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|-- subsystem -> ../../../class/video_output
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`-- uevent
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