[PATCH v3 1/7] Input: matrix_keypad - use fsleep for variable delay duration
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STALE651d
SUPERSEDED
From: Markus Burri <hidden>
Date: 2025-01-07 14:02:49
Also in:
linux-input, lkml
Subsystem:
input (keyboard, mouse, joystick, touchscreen) drivers, the rest · Maintainers:
Dmitry Torokhov, Linus Torvalds
Revision v3 of 6 in this series.
Revisions (6)
The delay is retrieved from a device-tree property, so the duration is variable. fsleep guesses the best delay function based on duration. Link: https://www.kernel.org/doc/html/latest/timers/timers-howto.html Signed-off-by: Markus Burri <redacted> --- 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)
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2.39.5