Simple check to add, huge improvement :) Signed-off-by: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx> --- drivers/hid/hid-logitech-hidpp.c | 3 +++ 1 file changed, 3 insertions(+) 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 @@ static int hidpp_initialize_battery(struct hidpp_device *hidpp) { int ret; + if (hidpp->battery.ps) + return 0; + if (hidpp->protocol_major >= 2) { ret = hidpp20_initialize_battery(hidpp); if (ret == 0) -- 2.9.3 -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html