linux-kernel - [PATCH] iio: adc: ti-tsc2046: use us_to

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Message-Id: <20250813075556.466872-1-zhao.xichao@vivo.com>
Date: Wed, 13 Aug 2025 15:55:56 +0800
From: Xichao Zhao <zhao.xichao@...o.com>
To: o.rempel@...gutronix.de,
	jic23@...nel.org
Cc: dlechner@...libre.com,
	nuno.sa@...log.com,
	andy@...nel.org,
	linux-iio@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Xichao Zhao <zhao.xichao@...o.com>
Subject: [PATCH] iio: adc: ti-tsc2046: use us_to_ktime() where appropriate

The scan_interval_us and time_per_scan_us are more suitable for 
using the us_to_ktime(). This can make the code more concise and
enhance readability. Therefore, replace ns_to_ktime() with us_to_ktime().

Signed-off-by: Xichao Zhao <zhao.xichao@...o.com>
---
 drivers/iio/adc/ti-tsc2046.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/iio/adc/ti-tsc2046.c b/drivers/iio/adc/ti-tsc2046.c
index 74471f08662e..8eb717b11cff 100644
--- a/drivers/iio/adc/ti-tsc2046.c
+++ b/drivers/iio/adc/ti-tsc2046.c
@@ -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);
 }
 
-- 
2.34.1