From: Seth Miller <miller.seth@gmail.com>
Date: Tue, 5 Jan 2021 04:58:12 +0000 (-0600)
Subject: HID: Ignore battery for Elan touchscreen on ASUS UX550
X-Git-Tag: v5.15~1663^2~23
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=7c38e769d5c508939ce5dc26df72602f3c902342;p=platform%2Fkernel%2Flinux-starfive.git

HID: Ignore battery for Elan touchscreen on ASUS UX550

Battery status is being reported for the Elan touchscreen on ASUS
UX550 laptops despite not having a batter. It always shows either 0 or
1%.

Signed-off-by: Seth Miller <miller.seth@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---

diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 4c5f236..5ba0aa1 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -389,6 +389,7 @@
 #define USB_DEVICE_ID_TOSHIBA_CLICK_L9W	0x0401
 #define USB_DEVICE_ID_HP_X2		0x074d
 #define USB_DEVICE_ID_HP_X2_10_COVER	0x0755
+#define USB_DEVICE_ID_ASUS_UX550_TOUCHSCREEN	0x2706
 
 #define USB_VENDOR_ID_ELECOM		0x056e
 #define USB_DEVICE_ID_ELECOM_BM084	0x0061
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index dc7f6b4a..f23027d 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -322,6 +322,8 @@ static const struct hid_device_id hid_battery_quirks[] = {
 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH,
 		USB_DEVICE_ID_LOGITECH_DINOVO_EDGE_KBD),
 	  HID_BATTERY_QUIRK_IGNORE },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_ELAN, USB_DEVICE_ID_ASUS_UX550_TOUCHSCREEN),
+	  HID_BATTERY_QUIRK_IGNORE },
 	{}
 };