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[03/17] HID: logitech-hidpp: make sure we only register one battery per device

Message ID 20170117143547.30488-4-benjamin.tissoires@redhat.com (mailing list archive)
State New, archived
Headers show

Commit Message

Benjamin Tissoires Jan. 17, 2017, 2:35 p.m. UTC 
Simple check to add, huge improvement :)

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
---
 drivers/hid/hid-logitech-hidpp.c | 3 +++
 1 file changed, 3 insertions(+)
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Patch

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)