linux-kernel - [PATCH 5.15 015/171] HID: Ignore battery for Elan touchscreen on Asus UX550VE

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Message-Id: <20211213092945.594910108@linuxfoundation.org>
Date:   Mon, 13 Dec 2021 10:28:50 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Hans de Goede <hdegoede@...hat.com>,
        Jiri Kosina <jkosina@...e.cz>
Subject: [PATCH 5.15 015/171] HID: Ignore battery for Elan touchscreen on Asus UX550VE

From: Hans de Goede <hdegoede@...hat.com>

commit 14902f8961dca9c66bf190f7b1583767c97a4197 upstream.

Battery status is reported for the Asus UX550VE touchscreen even though
it does not have a battery. Prevent it from always reporting the
battery as low.

BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=1897823
Signed-off-by: Hans de Goede <hdegoede@...hat.com>
Signed-off-by: Jiri Kosina <jkosina@...e.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/hid/hid-ids.h   |    1 +
 drivers/hid/hid-input.c |    2 ++
 2 files changed, 3 insertions(+)

--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -394,6 +394,7 @@
 #define USB_DEVICE_ID_HP_X2		0x074d
 #define USB_DEVICE_ID_HP_X2_10_COVER	0x0755
 #define I2C_DEVICE_ID_HP_SPECTRE_X360_15	0x2817
+#define USB_DEVICE_ID_ASUS_UX550VE_TOUCHSCREEN	0x2544
 #define USB_DEVICE_ID_ASUS_UX550_TOUCHSCREEN	0x2706
 #define I2C_DEVICE_ID_SURFACE_GO_TOUCHSCREEN	0x261A
 
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -325,6 +325,8 @@ static const struct hid_device_id hid_ba
 	  HID_BATTERY_QUIRK_IGNORE },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_ELAN, USB_DEVICE_ID_ASUS_UX550_TOUCHSCREEN),
 	  HID_BATTERY_QUIRK_IGNORE },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_ELAN, USB_DEVICE_ID_ASUS_UX550VE_TOUCHSCREEN),
+	  HID_BATTERY_QUIRK_IGNORE },
 	{ HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, I2C_DEVICE_ID_HP_SPECTRE_X360_15),
 	  HID_BATTERY_QUIRK_IGNORE },
 	{ HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, I2C_DEVICE_ID_SURFACE_GO_TOUCHSCREEN),