Re: [PATCH] HID: input: Ignore battery reported by Symbol DS4308

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On Fri, Nov 9, 2018 at 12:59 AM Benson Leung <bleung@xxxxxxxxxxxx> wrote:
>
> The Motorola/Zebra Symbol DS4308-HD is a handheld USB barcode scanner
> which does not have a battery, but reports one anyway that always has
> capacity 2.
>
> Let's apply the IGNORE quirk to prevent it from being treated like a
> power supply so that userspaces don't get confused that this
> accessory is almost out of power and warn the user that they need to charge
> their wired barcode scanner.
>
> Reported here: https://bugs.chromium.org/p/chromium/issues/detail?id=804720
>
> Signed-off-by: Benson Leung <bleung@xxxxxxxxxxxx>
> ---

Reviewed-by: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx>

>  drivers/hid/hid-ids.h   | 1 +
>  drivers/hid/hid-input.c | 3 +++
>  2 files changed, 4 insertions(+)
>
> diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
> index c0d668944dbe..07f6348b9f86 100644
> --- a/drivers/hid/hid-ids.h
> +++ b/drivers/hid/hid-ids.h
> @@ -1043,6 +1043,7 @@
>  #define USB_VENDOR_ID_SYMBOL           0x05e0
>  #define USB_DEVICE_ID_SYMBOL_SCANNER_1 0x0800
>  #define USB_DEVICE_ID_SYMBOL_SCANNER_2 0x1300
> +#define USB_DEVICE_ID_SYMBOL_SCANNER_3 0x1200
>
>  #define USB_VENDOR_ID_SYNAPTICS                0x06cb
>  #define USB_DEVICE_ID_SYNAPTICS_TP     0x0001
> diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
> index a2f74e6adc70..44ea8e7c71a9 100644
> --- a/drivers/hid/hid-input.c
> +++ b/drivers/hid/hid-input.c
> @@ -325,6 +325,9 @@ static const struct hid_device_id hid_battery_quirks[] = {
>         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM,
>                 USB_DEVICE_ID_ELECOM_BM084),
>           HID_BATTERY_QUIRK_IGNORE },
> +       { HID_USB_DEVICE(USB_VENDOR_ID_SYMBOL,
> +               USB_DEVICE_ID_SYMBOL_SCANNER_3),
> +         HID_BATTERY_QUIRK_IGNORE },
>         {}
>  };
>
> --
> 2.19.1.930.g4563a0d9d0-goog
>



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