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Commit a98b6900 authored by Aidan Thornton's avatar Aidan Thornton Committed by Johan Hovold
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USB: serial: ch341: add debug output for chip version 



Will probably be helpful if there are any more compatibility issues.

Signed-off-by: default avatarAidan Thornton <makosoft@gmail.com>
Reviewed-by: default avatarGrigori Goronzy <greg@chown.ath.cx>
Signed-off-by: default avatarJohan Hovold <johan@kernel.org>
parent ba781bdf

drivers/usb/serial/ch341.c

+1 −0
Original line number Original line Diff line number Diff line
@@ -212,6 +212,7 @@ static int ch341_configure(struct usb_device *dev, struct ch341_private *priv) 
	r = ch341_control_in(dev, CH341_REQ_READ_VERSION, 0, 0, buffer, size);

	r = ch341_control_in(dev, CH341_REQ_READ_VERSION, 0, 0, buffer, size);

	if (r < 0)

	if (r < 0)

		goto out;

		goto out;

	dev_dbg(&dev->dev, "Chip version: 0x%02x\n", buffer[0]);





	r = ch341_control_out(dev, CH341_REQ_SERIAL_INIT, 0, 0);

	r = ch341_control_out(dev, CH341_REQ_SERIAL_INIT, 0, 0);

	if (r < 0)

	if (r < 0)