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authorBenjamin Tissoires <benjamin.tissoires@redhat.com>2017-03-27 16:59:33 +0200
committerJiri Kosina <jkosina@suse.cz>2017-04-06 14:36:38 +0200
commit9b9c519f1fe3ec9d2518a99c71c54f5c25eef345 (patch)
tree60ce5db17f6364e612145a9e9e5ea70f270d6ea8 /drivers/hid/hid-logitech-hidpp.c
parenta9525b80feb1b6ae40244b16b0558cbdc64f28cd (diff)
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 <benjamin.tissoires@redhat.com> Tested-by: Bastien Nocera <hadess@hadess.net> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/hid/hid-logitech-hidpp.c')
-rw-r--r--drivers/hid/hid-logitech-hidpp.c7
1 files changed, 7 insertions, 0 deletions
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;