linux-kernel - Re: [PATCH] HID: multitouch: add quirks to enable Lenovo X12 trackpoint

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Date:   Mon, 4 Apr 2022 12:09:35 +0200
From:   Benjamin Tissoires <benjamin.tissoires@...hat.com>
To:     Tao Jin <tao-j@...look.com>
Cc:     Jiri Kosina <jikos@...nel.org>,
        "open list:HID CORE LAYER" <linux-input@...r.kernel.org>,
        lkml <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] HID: multitouch: add quirks to enable Lenovo X12 trackpoint

Hi,

On Sun, Apr 3, 2022 at 6:58 PM Tao Jin <tao-j@...look.com> wrote:
>
> This applies the similar quirks used by previous generation devices
> such as X1 tablet for X12 tablet, so that the trackpoint and buttons
> can work.
>
> This patch was applied and tested working on 5.17.1 .
>
> Signed-off-by: Tao Jin <tao-j@...look.com>

Thanks a lot for the patch.

I have added the CC: stable@...r.kernel.org tag and pushed the patch
to for-5.18/upstream-fixes

Cheers,
Benjamin

> ---
>  drivers/hid/hid-ids.h        | 1 +
>  drivers/hid/hid-multitouch.c | 6 ++++++
>  2 files changed, 7 insertions(+)
>
> diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
> index 78bd3dd..aca7909 100644
> --- a/drivers/hid/hid-ids.h
> +++ b/drivers/hid/hid-ids.h
> @@ -760,6 +760,7 @@
>  #define USB_DEVICE_ID_LENOVO_X1_COVER  0x6085
>  #define USB_DEVICE_ID_LENOVO_X1_TAB    0x60a3
>  #define USB_DEVICE_ID_LENOVO_X1_TAB3   0x60b5
> +#define USB_DEVICE_ID_LENOVO_X12_TAB   0x60fe
>  #define USB_DEVICE_ID_LENOVO_OPTICAL_USB_MOUSE_600E    0x600e
>  #define USB_DEVICE_ID_LENOVO_PIXART_USB_MOUSE_608D     0x608d
>  #define USB_DEVICE_ID_LENOVO_PIXART_USB_MOUSE_6019     0x6019
> diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
> index 99eabfb..0dece60 100644
> --- a/drivers/hid/hid-multitouch.c
> +++ b/drivers/hid/hid-multitouch.c
> @@ -2034,6 +2034,12 @@ static const struct hid_device_id mt_devices[] = {
>                            USB_VENDOR_ID_LENOVO,
>                            USB_DEVICE_ID_LENOVO_X1_TAB3) },
>
> +       /* Lenovo X12 TAB Gen 1 */
> +       { .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT,
> +               HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH_WIN_8,
> +                          USB_VENDOR_ID_LENOVO,
> +                          USB_DEVICE_ID_LENOVO_X12_TAB) },
> +
>         /* MosArt panels */
>         { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
>                 MT_USB_DEVICE(USB_VENDOR_ID_ASUS,
> --
> 2.35.1
>