HID: logitech-hidpp: add battery support for HID++ 2.0 devices

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If the 0x1000 Unified Battery Level Status feature exists, expose the battery
level.

The main drawback is that while a device is plugged in its battery level is 0.
To avoid exposing that as 0% charge we make up a number based on the charging
status.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

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Peter Hutterer 2016-06-29 19:28:01 +10:00 • committed by Jiri Kosina

parent 595d9e34ee

commit 5a2b190cdd

1 changed files with 237 additions and 1 deletions

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drivers/hid/hid-logitech-hidpp.c

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