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authorAishwarya Pant <aishpant@gmail.com>2018-03-02 18:46:53 +0530
committerJiri Kosina <jkosina@suse.cz>2018-03-06 15:17:55 +0100
commit09f3fe40f501278dbcb93882ac6c017b01621e99 (patch)
tree056ed4fdcc8369257ddb1b29b85818ad489f6184 /Documentation/ABI
parentb9b7a86fc1cca26d8e4fb841dc127ceb985f85c5 (diff)
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>
Diffstat (limited to 'Documentation/ABI')
-rw-r--r--Documentation/ABI/testing/sysfs-driver-hid-logitech-hidpp19
1 files changed, 19 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-driver-hid-logitech-hidpp b/Documentation/ABI/testing/sysfs-driver-hid-logitech-hidpp
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index 000000000000..d8f831f2d6b5
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-driver-hid-logitech-hidpp
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+What: /sys/bus/hid/drivers/logitech-hidpp-device/<dev>/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/<dev>/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.