Re: [PATCH] HID: elan: Add support for ELAN SB974D touchpad

From: Jiri Kosina

Date: Tue Apr 28 2026 - 12:37:05 EST


On Tue, 14 Apr 2026, Damien Dejean wrote:

> Elan SB974D touchpad uses ELAN_MT_I2C format to send HID reports. Add an
> entry to match for the device and parse its vendor specific format.
>
> Signed-off-by: Damien Dejean <damiendejean@xxxxxxxxxx>
> Signed-off-by: Kornel Dulęba <korneld@xxxxxxxxxx>
> ---
> drivers/hid/hid-elan.c | 1 +
> drivers/hid/hid-ids.h | 1 +
> 2 files changed, 2 insertions(+)
>
> diff --git a/drivers/hid/hid-elan.c b/drivers/hid/hid-elan.c
> index 76d93fc48f6a..0190ad567ce4 100644
> --- a/drivers/hid/hid-elan.c
> +++ b/drivers/hid/hid-elan.c
> @@ -513,6 +513,7 @@ static const struct hid_device_id elan_devices[] = {
> { HID_USB_DEVICE(USB_VENDOR_ID_ELAN, USB_DEVICE_ID_HP_X2_10_COVER),
> .driver_data = ELAN_HAS_LED },
> { HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, USB_DEVICE_ID_TOSHIBA_CLICK_L9W) },
> + { HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, USB_DEVICE_ID_SB974D) },
> { }
> };
> MODULE_DEVICE_TABLE(hid, elan_devices);
> diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
> index 0cf63742315b..8cfec7dced66 100644
> --- a/drivers/hid/hid-ids.h
> +++ b/drivers/hid/hid-ids.h
> @@ -455,6 +455,7 @@
> #define USB_DEVICE_ID_EDIFIER_QR30 0xa101 /* EDIFIER Hal0 2.0 SE */
>
> #define USB_VENDOR_ID_ELAN 0x04f3
> +#define USB_DEVICE_ID_SB974D 0x0400
> #define USB_DEVICE_ID_TOSHIBA_CLICK_L9W 0x0401
> #define USB_DEVICE_ID_HP_X2 0x074d
> #define USB_DEVICE_ID_HP_X2_10_COVER 0x0755

Applied to hid.git#for-7.1/upstream-fixes, thanks.

--
Jiri Kosina
SUSE Labs