[PATCH v2 03/15] HID: logitech-hidpp: make sure we only register one battery per device

Benjamin Tissoires
2017-02-02T14:13:01Z

Simple check to add, huge improvement :)

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>

---

no changes in v2
---
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