linux-kernel - [PATCH] HID: Ignore battery for ELAN touchscreen on HP ENVY X360 13-ar0xxx

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Message-Id: <20230314083935.13331-1-l.guzenko@web.de>
Date:   Tue, 14 Mar 2023 09:39:35 +0100
From:   Luka Guzenko <l.guzenko@....de>
To:     benjamin.tissoires@...hat.com
Cc:     linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
        Luka Guzenko <l.guzenko@....de>
Subject: [PATCH] HID: Ignore battery for ELAN touchscreen on HP ENVY X360 13-ar0xxx

Ignore the reported battery level of the built-in touchscreen to suppress
battery warnings when a stylus is used. The device ID was added and the
battery ignore quirk was enabled.

Signed-off-by: Luka Guzenko <l.guzenko@....de>
---
 drivers/hid/hid-ids.h   | 1 +
 drivers/hid/hid-input.c | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 63545cd307e5..b76462881cea 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -409,6 +409,7 @@
 #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 I2C_DEVICE_ID_HP_ENVY_X360_13_AR0XXX	0x23B9
 #define I2C_DEVICE_ID_HP_ENVY_X360_15	0x2d05
 #define I2C_DEVICE_ID_HP_ENVY_X360_15T_DR100	0x29CF
 #define I2C_DEVICE_ID_HP_ENVY_X360_EU0009NV	0x2CF9
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index 7fc967964dd8..9639479600f4 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -382,6 +382,8 @@ static const struct hid_device_id hid_battery_quirks[] = {
 	  HID_BATTERY_QUIRK_AVOID_QUERY },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_UGEE, USB_DEVICE_ID_UGEE_XPPEN_TABLET_DECO_PRO_SW),
 	  HID_BATTERY_QUIRK_AVOID_QUERY },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_ELAN, I2C_DEVICE_ID_HP_ENVY_X360_13_AR0XXX),
+	  HID_BATTERY_QUIRK_IGNORE },
 	{ HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, I2C_DEVICE_ID_HP_ENVY_X360_15),
 	  HID_BATTERY_QUIRK_IGNORE },
 	{ HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, I2C_DEVICE_ID_HP_ENVY_X360_15T_DR100),
--
2.39.2