# \[PATCH\] HID: Ignore battery for Elan touchscreen on HP Spectre X360 15-df0xxx

- Subsystems: HID CORE LAYER, THE REST
- Maintainers: Jiri Kosina, Benjamin Tissoires, Linus Torvalds
- List: linux-input
- 2 messages, 2 authors
- Page: https://ratatoskr.run/linux-input/2021/01/6244969/t

## \[PATCH\] HID: Ignore battery for Elan touchscreen on HP Spectre X360 15-df0xxx

- From: Elia Devito \<hidden\>
- Date: 2021-01-22 21:26:47 
- Message: https://ratatoskr.run/linux-input/2021/01/6244969.md

```text
Battery status is reported for the HP Spectre X360 Convertible 15-df0xxx
even if it does not have a battery. Prevent it to always report the
battery as low.

Signed-off-by: Elia Devito <redacted>
---
 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 5ba0aa1d2335..899449ced29e 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 I2C_DEVICE_ID_HP_SPECTRE_X360_15	0x2817
 #define USB_DEVICE_ID_ASUS_UX550_TOUCHSCREEN	0x2706
 
 #define USB_VENDOR_ID_ELECOM		0x056e
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index f23027d2795b..8ed7f468bd95 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -324,6 +324,8 @@ static const struct hid_device_id hid_battery_quirks[] = {
 	  HID_BATTERY_QUIRK_IGNORE },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_ELAN, USB_DEVICE_ID_ASUS_UX550_TOUCHSCREEN),
 	  HID_BATTERY_QUIRK_IGNORE },
+	{ HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, I2C_DEVICE_ID_HP_SPECTRE_X360_15),
+	  HID_BATTERY_QUIRK_IGNORE },
 	{}
 };
 
-- 
2.29.2

```

## Re: \[PATCH\] HID: Ignore battery for Elan touchscreen on HP Spectre X360 15-df0xxx

- From: Jiri Kosina \<jikos@kernel.org\>
- Date: 2021-02-09 09:51:48 
- Message: https://ratatoskr.run/linux-input/2021/02/6264089.md

```text
On Fri, 22 Jan 2021, Elia Devito wrote:

> Battery status is reported for the HP Spectre X360 Convertible 15-df0xxx
> even if it does not have a battery. Prevent it to always report the
> battery as low.
> 
> Signed-off-by: Elia Devito <redacted>

Applied, thanks.

-- 
Jiri Kosina
SUSE Labs

```