From 2da43beab0534f5c0d36e05d84659b8d5c825569 Mon Sep 17 00:00:00 2001 From: H Hartley Sweeten Date: Fri, 30 Aug 2013 11:09:07 -0700 Subject: [PATCH] staging: comedi: hwdrv_apci3120: use comedi_dio_update_state() Use comedi_dio_update_state() to handle the boilerplate code to update the subdevice s->state. Signed-off-by: H Hartley Sweeten Reviewed-by: Ian Abbott Signed-off-by: Greg Kroah-Hartman --- .../comedi/drivers/addi-data/hwdrv_apci3120.c | 17 ++++++----------- 1 file changed, 6 insertions(+), 11 deletions(-) diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c index 1449b92403e2..ac6e75d62e61 100644 --- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c +++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c @@ -2175,21 +2175,16 @@ static int apci3120_do_insn_bits(struct comedi_device *dev, unsigned int *data) { struct addi_private *devpriv = dev->private; - unsigned int mask = data[0]; - unsigned int bits = data[1]; - unsigned int val; - /* The do channels are bits 7:4 of the do register */ - val = devpriv->b_DigitalOutputRegister >> 4; - if (mask) { - val &= ~mask; - val |= (bits & mask); - devpriv->b_DigitalOutputRegister = val << 4; + if (comedi_dio_update_state(s, data)) { + /* The do channels are bits 7:4 of the do register */ + devpriv->b_DigitalOutputRegister = s->state << 4; - outb(val << 4, devpriv->iobase + APCI3120_DIGITAL_OUTPUT); + outb(devpriv->b_DigitalOutputRegister, + devpriv->iobase + APCI3120_DIGITAL_OUTPUT); } - data[1] = val; + data[1] = s->state; return insn->n; } -- 2.30.2