Re: [PATCH] staging: iio: ad7280a: Lines should not end with a '(' - style

From: Joe Perches
Date: Tue Oct 16 2018 - 17:59:15 EST


On Tue, 2018-10-16 at 18:09 -0300, Giuliano Belinassi wrote:
> A number of macro calls cause a checkpatch issue:
>
> "Lines should not end with a '('"
>
> This was fixed by moving the first '(' token to the line of the first
> argument.

Please try to make the code more readable instead of
following mindless checkpatch messages.

For instance, this could be shorter, simpler, smaller
object code size, and easier to humans to read as:
---
drivers/staging/iio/adc/ad7280a.c | 68 +++++++++++++++++----------------------
1 file changed, 30 insertions(+), 38 deletions(-)

diff --git a/drivers/staging/iio/adc/ad7280a.c b/drivers/staging/iio/adc/ad7280a.c
index 58420dcb406d..a69ae76b5616 100644
--- a/drivers/staging/iio/adc/ad7280a.c
+++ b/drivers/staging/iio/adc/ad7280a.c
@@ -701,46 +701,38 @@ static irqreturn_t ad7280_event_handler(int irq, void *private)
goto out;

for (i = 0; i < st->scan_cnt; i++) {
- if (((channels[i] >> 23) & 0xF) <= AD7280A_CELL_VOLTAGE_6) {
- if (((channels[i] >> 11) & 0xFFF) >=
- st->cell_threshhigh)
- iio_push_event(indio_dev,
- IIO_EVENT_CODE(IIO_VOLTAGE,
- 1,
- 0,
- IIO_EV_DIR_RISING,
- IIO_EV_TYPE_THRESH,
- 0, 0, 0),
- iio_get_time_ns(indio_dev));
- else if (((channels[i] >> 11) & 0xFFF) <=
- st->cell_threshlow)
- iio_push_event(indio_dev,
- IIO_EVENT_CODE(IIO_VOLTAGE,
- 1,
- 0,
- IIO_EV_DIR_FALLING,
- IIO_EV_TYPE_THRESH,
- 0, 0, 0),
- iio_get_time_ns(indio_dev));
+ unsigned int voltage = (channels[i] >> 23) & 0xF;
+ unsigned int val = (channels[i] >> 11) & 0xFFF;
+ u64 code = 0;
+
+ if (voltage <= AD7280A_CELL_VOLTAGE_6) {
+ if (val >= st->cell_threshhigh) {
+ code = IIO_EVENT_CODE(IIO_VOLTAGE, 1, 0,
+ IIO_EV_DIR_RISING,
+ IIO_EV_TYPE_THRESH,
+ 0, 0, 0);
+ } else if (val <= st->cell_threshlow) {
+ code = IIO_EVENT_CODE(IIO_VOLTAGE, 1, 0,
+ IIO_EV_DIR_FALLING,
+ IIO_EV_TYPE_THRESH,
+ 0, 0, 0);
+ } else {
+ continue;
+ }
} else {
- if (((channels[i] >> 11) & 0xFFF) >= st->aux_threshhigh)
- iio_push_event(indio_dev,
- IIO_UNMOD_EVENT_CODE(
- IIO_TEMP,
- 0,
- IIO_EV_TYPE_THRESH,
- IIO_EV_DIR_RISING),
- iio_get_time_ns(indio_dev));
- else if (((channels[i] >> 11) & 0xFFF) <=
- st->aux_threshlow)
- iio_push_event(indio_dev,
- IIO_UNMOD_EVENT_CODE(
- IIO_TEMP,
- 0,
- IIO_EV_TYPE_THRESH,
- IIO_EV_DIR_FALLING),
- iio_get_time_ns(indio_dev));
+ if (val >= st->aux_threshhigh) {
+ code = IIO_UNMOD_EVENT_CODE(IIO_TEMP, 0,
+ IIO_EV_TYPE_THRESH,
+ IIO_EV_DIR_RISING);
+ } else if (val <= st->aux_threshlow) {
+ code = IIO_UNMOD_EVENT_CODE(IIO_TEMP, 0,
+ IIO_EV_TYPE_THRESH,
+ IIO_EV_DIR_FALLING);
+ } else {
+ continue;
+ }
}
+ iio_push_event(indio_dev, code, iio_get_time_ns(indio_dev));
}

out: