From: Luka Guzenko <l.guzenko@web.de>
To: benjamin.tissoires@redhat.com
Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org,
Luka Guzenko <l.guzenko@web.de>
Subject: [PATCH v2] HID: Ignore battery for ELAN touchscreen 29DF on HP
Date: Wed, 1 Feb 2023 02:14:37 +0100 [thread overview]
Message-ID: <20230201011437.33330-1-l.guzenko@web.de> (raw)
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>
---
V1 -> V2: linux-hardware.org suggests that this touchscreen is present in all
devices of the Spectre x360 13-aw0xxx family. Renamed Device_ID
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
--- 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_AW0XXX 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
--- 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[] = {
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_AW0XXX),
+ HID_BATTERY_QUIRK_IGNORE },
{ HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, I2C_DEVICE_ID_SURFACE_GO_TOUCHSCREEN),
HID_BATTERY_QUIRK_IGNORE },
{ HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, I2C_DEVICE_ID_SURFACE_GO2_TOUCHSCREEN),
--
2.39.1
reply other threads:[~2023-02-01 1:15 UTC|newest]
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