Thread (32 messages) 32 messages, 4 authors, 2025-02-26

Re: [PATCH v5 1/7] Input: matrix_keypad - use fsleep for variable delay duration

From: Manuel Traut <hidden>
Date: 2025-02-19 16:35:00
Also in: linux-devicetree, lkml

On Fri, Jan 10, 2025 at 06:49:00AM +0100, Markus Burri wrote:
The delay is retrieved from a device-tree property, so the duration is
variable. fsleep guesses the best delay function based on duration.

see Documentation/timers/delay_sleep_functions.rst

Signed-off-by: Markus Burri <redacted>
Reviewed-by: Manuel Traut <redacted> 
quoted hunk ↗ jump to hunk
---
 drivers/input/keyboard/matrix_keypad.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/input/keyboard/matrix_keypad.c b/drivers/input/keyboard/matrix_keypad.c
index 2a3b3bf..5571d2e 100644
--- a/drivers/input/keyboard/matrix_keypad.c
+++ b/drivers/input/keyboard/matrix_keypad.c
@@ -68,7 +68,7 @@ static void activate_col(struct matrix_keypad *keypad, int col, bool on)
 	__activate_col(keypad, col, on);
 
 	if (on && keypad->col_scan_delay_us)
-		udelay(keypad->col_scan_delay_us);
+		fsleep(keypad->col_scan_delay_us);
 }
 
 static void activate_all_cols(struct matrix_keypad *keypad, bool on)
-- 
2.39.5
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