From 9b9c519f1fe3ec9d2518a99c71c54f5c25eef345 Mon Sep 17 00:00:00 2001 From: Benjamin Tissoires Date: Mon, 27 Mar 2017 16:59:33 +0200 Subject: [PATCH] HID: logitech-hidpp: notify battery on connect When a device reconnects, there is a high chance its power supply has been changed (for a battery replacement for instance). Just forward the battery state here. Signed-off-by: Benjamin Tissoires Tested-by: Bastien Nocera Signed-off-by: Jiri Kosina --- drivers/hid/hid-logitech-hidpp.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/hid/hid-logitech-hidpp.c b/drivers/hid/hid-logitech-hidpp.c index 22129ddac3ae..0781d2bb00d6 100644 --- a/drivers/hid/hid-logitech-hidpp.c +++ b/drivers/hid/hid-logitech-hidpp.c @@ -2463,6 +2463,13 @@ static void hidpp_connect_event(struct hidpp_device *hidpp) hidpp_initialize_battery(hidpp); + /* forward current battery state */ + if (hidpp->capabilities & HIDPP_CAPABILITY_HIDPP20_BATTERY) { + hidpp20_query_battery_info(hidpp); + if (hidpp->battery.ps) + power_supply_changed(hidpp->battery.ps); + } + if (!(hidpp->quirks & HIDPP_QUIRK_NO_HIDINPUT) || hidpp->delayed_input) /* if the input nodes are already created, we can stop now */ return; -- 2.30.2