HID: logitech-hidpp: make sure we only register one battery per device
Simple check to add, huge improvement :)
Signed-off-by: Benjamin Tissoires <[email protected]>
Tested-by: Bastien Nocera <[email protected]>
Signed-off-by: Jiri Kosina <[email protected]>
diff --git a/drivers/hid/hid-logitech-hidpp.c b/drivers/hid/hid-logitech-hidpp.c
index 4aaf237..1cda29e 100644
--- a/drivers/hid/hid-logitech-hidpp.c
+++ b/drivers/hid/hid-logitech-hidpp.c
@@ -828,6 +828,9 @@
{
int ret;
+ if (hidpp->battery.ps)
+ return 0;
+
if (hidpp->protocol_major >= 2) {
ret = hidpp20_initialize_battery(hidpp);
if (ret == 0)
