Re: [PATCH 2/3] Add Opticon OPN2001 write support

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Hello.

On 10-10-2010 10:32, Alon Ziv wrote:

OPN2001 expects write operations to arrive as a vendor-specific command
through the control pipe (instead of using a separate bulk-out pipe).

Signed-off-by: Alon Ziv<alon-git@xxxxxxxxxxx>
---
  drivers/usb/serial/opticon.c |   30 ++++++++++++++++++++++++++----
  1 files changed, 26 insertions(+), 4 deletions(-)

diff --git a/drivers/usb/serial/opticon.c b/drivers/usb/serial/opticon.c
index 9ff19c8..4fe7c3d 100644
--- a/drivers/usb/serial/opticon.c
+++ b/drivers/usb/serial/opticon.c
[...]
@@ -237,10 +240,29 @@ static int opticon_write(struct tty_struct *tty, struct usb_serial_port *port,

  	usb_serial_debug_data(debug,&port->dev, __func__, count, buffer);

-	usb_fill_bulk_urb(urb, serial->dev,
-			  usb_sndbulkpipe(serial->dev,
-					  port->bulk_out_endpointAddress),
-			  buffer, count, opticon_write_bulk_callback, priv);
+	if (port->bulk_out_endpointAddress) {
+		usb_fill_bulk_urb(urb, serial->dev,
+				  usb_sndbulkpipe(serial->dev,
+						  port->bulk_out_endpointAddress),
+				  buffer, count, opticon_write_bulk_callback, priv);

   Please align all follow-up lines uniformly.

+	} else {
+		struct usb_ctrlrequest *dr;
+
+		dr = kmalloc(sizeof(struct usb_ctrlrequest), GFP_NOIO);

   sizeof(*dr) is a preferred form.

+		usb_fill_control_urb(urb, serial->dev,
+			usb_sndctrlpipe(serial->dev, 0),
+			(unsigned char *)dr, buffer, count,
+			opticon_write_bulk_callback, priv);

   More tabs needed for alignment, I think...

WBR, Sergei
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