Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
From:   Luka Guzenko <l.guzenko@web.de>
To:     jikos@kernel.org
Cc:     linux-input@vger.kernel.org, linux-kernel@vger.kernel.org,
        Luka Guzenko <l.guzenko@web.de>
Subject: [PATCH] HID: Ignore battery for ELAN touchscreen 29DF on HP 
Date:   Fri, 20 Jan 2023 23:37:41 +0100
Message-Id: <20230120223741.3007-1-l.guzenko@web.de>
MIME-Version: 1.0
Content-Transfer-Encoding: quoted-printable
UI-OutboundReport: notjunk:1;M01:P0:7OmScQ0ZIoI=;qa+lcBfvBh2BVktoVTfJTom3f5l
 /kTUcjmDjm/EkVgjfD/ZOI+7xuTPp9WmBn48ASEbA76ZmObSLCiFilL042Jt1kncMU3TqV3of
 iEZ1ySA/rHvPEJrR3fPu8ZZrfszS076b7bjRLQFftoFbIg0tzfK/VxeFpCxsrOxa2TDcRZJ/a
 HKx4J+GY6zrTBehOwLH2iIWSUzI5NXmjAAk6EDjzwU6dqj3bSU+vxEIN2J85TCgi2o2nUPCTI
 tP2gLMyjrA7zhH7CoiWN1TikNK3Z7/QiZJN2niH4vTqkoTEc9F4mvVJXUfH/iX53i/MfIITAA
 6zD9Z+ot+3o1qwxh5GkZvSawC6TbbLRHJnsw3L/hAhccBDYejx701326e/ctozUEmU0YZKd3V
 xSvzHkxof0zt6RQm/g8LIcGnXzfncaAs5+10dF3Hhn0cahJi2xm3jGzWh4ZR2hzQmKj0J64D2
 UgGLaRuuexvB3PVTfwA8traXAeVAAk3koC35Tp5Xl8VoyaEv1BuDnafJBL6LUv4qKHZJ1md9+
 ZKe0fI+a2mFi+KT4waCvDSa2W4/msCa3frcPjTOAuhad7sWgRYS+vMI6IOlpUXworrxd+Iypi
 heFChKTG8geItuG/KzzZc2MxX5nb4WlXuQwB/wWBh4YicT43eMt4SBD9zY/OZFUDAUG6F3b1K
 pQ7dU44iw7fS13984Esq5nIm5GyN4n5FQ8bWKd9QF3eiZxB5045bxd6CteUtlFSjRwCo9z4sn
 plqNagVry9bjKUsHCV6aUlf8h/RxqDbBIU8y1u6+NHHPedHps1LUcieu4iX43KU6/utWW16RW
 wy1rlzeyNeTGGC1iKcAPdTWNZCK9/i0O9ZDFOLbgIBEvN+dWpJxSI3BfWgRGrnUqNDB3Yqijp
 t0f2FgUKIWTiFW4Eeh8f+BVa2PByUR/fSywIDYTkJgqF5Z2/lzGEcrSIAoH5E9i4NAJqqsZdu
 v5ugP8k0bYu19Gr3IpbCg7VyD8c=
Precedence: bulk

The touchscreen reports a battery status of 0% and jumps to 1% when a
stylus is used. The device ID was added and the battery ignore quirk was
enabled for it.

Signed-off-by: Luka Guzenko <l.guzenko@web.de>
=2D--
 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 82713ef3aaa6..78f4846e5711 100644
=2D-- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -414,6 +414,7 @@
 #define I2C_DEVICE_ID_HP_ENVY_X360_15T_DR100	0x29CF
 #define I2C_DEVICE_ID_HP_ENVY_X360_EU0009NV	0x2CF9
 #define I2C_DEVICE_ID_HP_SPECTRE_X360_15	0x2817
+#define I2C_DEVICE_ID_HP_SPECTRE_X360_13_AW0020NG  0x29DF
 #define USB_DEVICE_ID_ASUS_UX550VE_TOUCHSCREEN	0x2544
 #define USB_DEVICE_ID_ASUS_UX550_TOUCHSCREEN	0x2706
 #define I2C_DEVICE_ID_SURFACE_GO_TOUCHSCREEN	0x261A
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index 9b59e436df0a..27f17fafce58 100644
=2D-- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -384,6 +384,8 @@ static const struct hid_device_id hid_battery_quirks[]=
 =3D {
 	  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_HP_SPECTRE_X360_13_AW=
0020NG),
+	  HID_BATTERY_QUIRK_IGNORE },
 	{ HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, I2C_DEVICE_ID_SURFACE_GO_TOUCHSCREE=
N),
 	  HID_BATTERY_QUIRK_IGNORE },
 	{ HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, I2C_DEVICE_ID_SURFACE_GO2_TOUCHSCRE=
EN),
=2D-
2.39.1