linux-kernel - Re: [PATCH] Support Castles Vega5000 PoS terminal USB

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Message-ID: <9d9263a0-cddb-0efb-46a5-1d223a8232e3@gmail.com>
Date:   Sun, 23 Feb 2020 10:08:04 +0700
From:   Lars Melin <larsm17@...il.com>
To:     Ondrej Jirman <megous@...ous.com>, linux-usb@...r.kernel.org
Cc:     Oliver Neukum <oneukum@...e.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] Support Castles Vega5000 PoS terminal USB

On 2/23/2020 06:32, Ondrej Jirman wrote:
> This terminal's USB port needs NO_UNION_NORMAL quirk to work with
> cdc-acm driver.
> 
> Signed-off-by: Ondrej Jirman <megous@...ous.com>
> ---
>   drivers/usb/class/cdc-acm.c | 3 +++
>   1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
> index 62f4fb9b362f1..8577441c81a4d 100644
> --- a/drivers/usb/class/cdc-acm.c
> +++ b/drivers/usb/class/cdc-acm.c
> @@ -1739,6 +1739,9 @@ static const struct usb_device_id acm_ids[] = {
>   	{ USB_DEVICE(0x22b8, 0x2d9a),   /* modem + AT port + diagnostics + NMEA */
>   	.driver_info = NO_UNION_NORMAL, /* handle only modem interface          */
>   	},
> +	{ USB_DEVICE(0x0ca6, 0xa050), /* Castles Technology VEGA 5000 */
> +	.driver_info = NO_UNION_NORMAL, /* reports zero length descriptor */
> +	},
>   
>   	{ USB_DEVICE(0x0572, 0x1329), /* Hummingbird huc56s (Conexant) */
>   	.driver_info = NO_UNION_NORMAL, /* union de

This quirk is in the driver since almost a year ago.

br
/Lars