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linux-imx/Documentation/ABI/testing/sysfs-driver-hid-logitech-hidpp
Aishwarya Pant 09f3fe40f5 HID: logitech-hidpp: document sysfs interface 
Descriptions have been collected from git commit logs.

Signed-off-by: Aishwarya Pant <aishpant@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2018-03-06 15:17:55 +01:00

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What: /sys/bus/hid/drivers/logitech-hidpp-device//range Date: Jan, 2016 KernelVersion: 4.6 Contact: linux-input@vger.kernel.org Description: (RW) This attribute controls the amount of 'turn' permitted in Logitech G920 wheel. Reading from the file shows the current range of the steering wheel. Writing a value within the min and max boundary sets the range of the wheel.

What: /sys/bus/hid/drivers/logitech-hidpp-device//builtin_power_supply Date: Apr, 2017 KernelVersion: 4.12 Contact: linux-input@vger.kernel.org Description: Presence of this file indicates that HID++ driver is capable of handling battery properties in the kernel. This way, upower can add a udev rule to decide whether or not it should use the internal unifying support or the generic kernel one.