Commit 290d028e authored Oct 22, 2014 by H Hartley Sweeten Committed by Greg Kroah-Hartman Oct 29, 2014

staging: comedi: usbdux: use comedi_buf_write_samples()

Use comedi_buf_write_samples() to add the sample to the async buffer.

The async events COMEDI_CB_BLOCK and COMEDI_CB_EOS will be detected and set
by the core. Remove the unnecessary events in the driver.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 5023a4bb

drivers/staging/comedi/drivers/usbdux.c

+1 −2

Original line number	Diff line number	Diff line
		@@ -282,10 +282,9 @@ static void usbduxsub_ai_handle_urb(struct comedi_device *dev,
		val ^= ((s->maxdata + 1) >> 1);

		/* transfer data */
		if (!comedi_buf_put(s, val))
		if (!comedi_buf_write_samples(s, &val, 1))
		return;
		}
		async->events \|= COMEDI_CB_BLOCK \| COMEDI_CB_EOS;
		}

		/* if command is still running, resubmit urb */