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staging: comedi: ni_labpc_common: use DIV_ROUND_CLOSEST to round divisor values

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Use the DIV_ROUND_CLOSEST macro to clarify the (((x) + ((divisor) / 2)) / (divisor))
calculations.

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>
This commit is contained in:
H Hartley Sweeten 2015-01-21 15:11:48 -07:00 committed by Greg Kroah-Hartman
parent bcdf8b5d01
commit b35759de97
1 changed files with 4 additions and 4 deletions
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8
drivers/staging/comedi/drivers/ni_labpc_common.c
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@ -400,10 +400,10 @@ static void labpc_adc_timing(struct comedi_device *dev, struct comedi_cmd *cmd,
switch (cmd->flags & CMDF_ROUND_MASK) {
default:
case CMDF_ROUND_NEAREST:
devpriv->divisor_a0 =
(convert_period + (base_period / 2)) / base_period;
devpriv->divisor_b1 =
(scan_period + (base_period / 2)) / base_period;
devpriv->divisor_a0 = DIV_ROUND_CLOSEST(convert_period,
base_period);
devpriv->divisor_b1 = DIV_ROUND_CLOSEST(scan_period,
base_period);
break;
case CMDF_ROUND_UP:
devpriv->divisor_a0 = DIV_ROUND_UP(convert_period,