Re: [PATCH v2 2/3] USB: cdc-acm: blacklist IR Droid / IR Toy device

[Greg KH <gregkh@linuxfoundation.org>]

On Wed, May 27, 2020 at 10:41:06AM +0100, Sean Young wrote:
> The IR Droid / IR Toy device used custom protocol over serial
> line, so it is presenting itself as CDC ACM device.
> 
> Now that we have proper in-kernel driver for it we need to black-list the
> device in cdc-acm driver.
> 
> http://dangerousprototypes.com/docs/USB_Infrared_Toy
> https://www.irdroid.com/irdroid-usb-ir-transceiver/
> 
> Signed-off-by: Sean Young <sean@mess.org>
> ---
>  drivers/usb/class/cdc-acm.c | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
> index 84d6f7df09a4..1369e3be5019 100644
> --- a/drivers/usb/class/cdc-acm.c
> +++ b/drivers/usb/class/cdc-acm.c
> @@ -1864,6 +1864,12 @@ static const struct usb_device_id acm_ids[] = {
>  	},
>  #endif
>  
> +#if IS_ENABLED(CONFIG_IR_TOY)
> +	{ USB_DEVICE(0x04d8, 0xfd08),
> +	.driver_info = IGNORE_DEVICE,
> +	},
> +#endif
> +
>  	/*Samsung phone in firmware update mode */
>  	{ USB_DEVICE(0x04e8, 0x685d),
>  	.driver_info = IGNORE_DEVICE,
> -- 
> 2.26.2
> 

Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>