diff options
| author | H Hartley Sweeten <hsweeten@visionengravers.com> | 2015-01-21 22:11:48 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-01-25 11:59:13 (GMT) |
| commit | b35759de976320229ec708c7fa57a62249833ab9 (patch) | |
| tree | 06d796972067237d0acc53323d94efeb07b64887 /drivers/staging/comedi | |
| parent | bcdf8b5d01df2ac5aedf94e750a135c3798e3e93 (diff) | |
| download | linux-b35759de976320229ec708c7fa57a62249833ab9.tar.xz | |
staging: comedi: ni_labpc_common: use DIV_ROUND_CLOSEST to round divisor values
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>
Diffstat (limited to 'drivers/staging/comedi')
| -rw-r--r-- | drivers/staging/comedi/drivers/ni_labpc_common.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/staging/comedi/drivers/ni_labpc_common.c b/drivers/staging/comedi/drivers/ni_labpc_common.c index c494c53..77a7856 100644 --- a/drivers/staging/comedi/drivers/ni_labpc_common.c +++ b/drivers/staging/comedi/drivers/ni_labpc_common.c @@ -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, |