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Input: matrix_keypad - use fsleep for delays after activating columns

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The delay is specified in a device property, so the duration can be
arbitrarily large. fsleep() determines the best way of delaying (sleep
vs spin) based on duration.

see Documentation/timers/delay_sleep_functions.rst

Signed-off-by: Markus Burri <markus.burri@mt.com>
Reviewed-by: Manuel Traut <manuel.traut@mt.com>
Link: https://lore.kernel.org/r/20250110054906.354296-2-markus.burri@mt.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Markus Burri
2025-02-25 10:59:00 -08:00
committed by Dmitry Torokhov
parent 90a0a63451
commit e71087ebcd
1 changed files with 1 additions and 1 deletions
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2
drivers/input/keyboard/matrix_keypad.c
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@@ -69,7 +69,7 @@ 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)