On Sat, Jan 08, 2022 at 01:00:20PM +0100, Stephan Brunner wrote:
> Programmable lab power supplies made by GW Instek, such as the
> GPP-2323, have a USB port exposing a serial port to control the device.
>
> Stringing the supplied Windows driver, references to the ch341 chip are
> found. Binding the existing ch341 driver to the VID/PID of the GPP-2323
> ("GW Instek USB2.0-Serial" as per the USB product name) works out of the
> box, communication and control is now possible.
>
> This patch should work with any GPP series power supply due to
> similarities in the product line.
>
> Signed-off-by: Stephan Brunner <s.brunner@xxxxxxxxxxxxxxxxxxx>
> ---
> drivers/usb/serial/ch341.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/usb/serial/ch341.c b/drivers/usb/serial/ch341.c
> index 29f4b87a9e74..c871fc905140 100644
> --- a/drivers/usb/serial/ch341.c
> +++ b/drivers/usb/serial/ch341.c
> @@ -87,6 +87,7 @@ static const struct usb_device_id id_table[] = {
> { USB_DEVICE(0x1a86, 0x7523) },
> { USB_DEVICE(0x4348, 0x5523) },
> { USB_DEVICE(0x9986, 0x7523) },
> + { USB_DEVICE(0x2184, 0x0057) }, /* GW Instek USB2.0-Serial */
I dropped the comment (for consistency) and fixed up the sort order when
applying.
> { },
> };
> MODULE_DEVICE_TABLE(usb, id_table);
Now applied, thanks.
Johan
