From 77e9487bdbb7770b359aaa09e964fda57227ad97 Mon Sep 17 00:00:00 2001 From: H Hartley Sweeten Date: Fri, 30 Aug 2013 11:05:38 -0700 Subject: staging: comedi: usbdux drivers: use comedi_dio_update_state() Use comedi_dio_update_state() to handle the boilerplate code to update the subdevice s->state. These drivers always need to update the hardware in order to update the i/o configuration regardless of if the state has changed. Signed-off-by: H Hartley Sweeten Reviewed-by: Ian Abbott Signed-off-by: Greg Kroah-Hartman --- drivers/staging/comedi/drivers/usbdux.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'drivers/staging/comedi/drivers/usbdux.c') diff --git a/drivers/staging/comedi/drivers/usbdux.c b/drivers/staging/comedi/drivers/usbdux.c index 701ad1a6939..9218d733692 100644 --- a/drivers/staging/comedi/drivers/usbdux.c +++ b/drivers/staging/comedi/drivers/usbdux.c @@ -1133,15 +1133,13 @@ static int usbdux_dio_insn_bits(struct comedi_device *dev, { struct usbdux_private *devpriv = dev->private; - unsigned int mask = data[0]; - unsigned int bits = data[1]; int ret; down(&devpriv->sem); - s->state &= ~mask; - s->state |= (bits & mask); + comedi_dio_update_state(s, data); + /* Always update the hardware. See the (*insn_config). */ devpriv->dux_commands[1] = s->io_bits; devpriv->dux_commands[2] = s->state; -- cgit v1.2.3