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iio: adc: ti-tsc2046: use us_to_ktime() where appropriate

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Given scan_interval_us and time_per_scan_us are both in usecs, it
makes more sense to use us_to_ktime() helper rather than converting
to nanosecs as needed for ns_to_ktime().

Signed-off-by: Xichao Zhao <zhao.xichao@vivo.com>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://patch.msgid.link/20250813075556.466872-1-zhao.xichao@vivo.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Xichao Zhao
2025-08-13 15:55:56 +08:00
committed by Jonathan Cameron
parent 946bfea365
commit ea9b042129
1 changed files with 2 additions and 4 deletions
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6
drivers/iio/adc/ti-tsc2046.c
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@@ -535,8 +535,7 @@ static enum hrtimer_restart tsc2046_adc_timer(struct hrtimer *hrtimer)
if (priv->poll_cnt < TI_TSC2046_POLL_CNT) {
priv->poll_cnt++;
hrtimer_start(&priv->trig_timer,
ns_to_ktime(priv->scan_interval_us *
NSEC_PER_USEC),
us_to_ktime(priv->scan_interval_us),
HRTIMER_MODE_REL_SOFT);
if (priv->poll_cnt >= TI_TSC2046_MIN_POLL_CNT) {
@@ -605,8 +604,7 @@ static void tsc2046_adc_reenable_trigger(struct iio_trigger *trig)
* many samples. Reduce the sample rate for default (touchscreen) use
* case.
*/
tim = ns_to_ktime((priv->scan_interval_us - priv->time_per_scan_us) *
NSEC_PER_USEC);
tim = us_to_ktime(priv->scan_interval_us - priv->time_per_scan_us);
hrtimer_start(&priv->trig_timer, tim, HRTIMER_MODE_REL_SOFT);
}