Messages in this thread | | | Date | Fri, 29 Apr 2016 15:13:03 +0200 | From | Johan Hovold <> | Subject | Re: [PATCH v4 07/13] USB: ch341: add debug output for chip version |
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On Fri, Apr 15, 2016 at 11:14:10PM +0200, Grigori Goronzy wrote: > There are at least two hardware revisions, this may be helpful in > case compatibility issues need to be debugged. > > Signed-off-by: Grigori Goronzy <greg@chown.ath.cx> > --- > 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 2fbec4a..e475677 100644 > --- a/drivers/usb/serial/ch341.c > +++ b/drivers/usb/serial/ch341.c > @@ -209,6 +209,7 @@ static int ch341_configure(struct usb_device *dev, struct ch341_private *priv) > r = ch341_control_in(dev, CH341_VERSION, 0, 0, buffer, size); > if (r < 0) > goto out; > + dev_dbg(&dev->dev, "Chip version: %d\n", buffer[0]);
0x%02x?
> > r = ch341_control_out(dev, CH341_SERIAL_INIT, 0, 0); > if (r < 0)
Thanks, Johan
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