Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
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linux
thunderbolt: Make pathname to force_power shorter
WMI is the bus inside kernel, so, we may access the GUID via
/sys/bus/wmi instead of doing this through /sys/devices path.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mario Limonciello <mario.limonciello@dell.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
authored by Andy Shevchenko and committed by Greg Kroah-Hartman cce1fea5 50c4c4e2
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Documentation/admin-guide/thunderbolt.rst
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Documentation/admin-guide/thunderbolt.rst
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a sysfs attribute called "force_power".
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For example the intel-wmi-thunderbolt driver exposes this attribute in:
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/sys/devices/platform/PNP0C14:00/wmi_bus/wmi_bus-PNP0C14:00/86CCFD48-205E-4A77-9C48-2021CBEDE341/force_power
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/sys/bus/wmi/devices/86CCFD48-205E-4A77-9C48-2021CBEDE341/force_power
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To force the power to on, write 1 to this attribute file.
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To disable force power, write 0 to this attribute file.