Messages in this thread Patch in this message | | | From | Grigori Goronzy <> | Subject | [PATCH v2 08/14] USB: ch341: add debug output for chip version | Date | Sat, 2 Apr 2016 19:07:17 +0200 |
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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 4d66f0f..58309d1 100644 --- a/drivers/usb/serial/ch341.c +++ b/drivers/usb/serial/ch341.c @@ -211,6 +211,7 @@ 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]); r = ch341_control_out(dev, CH341_SERIAL_INIT, 0, 0); if (r < 0) -- 1.9.1
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