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| author |   Markus Burri <markus.burri@mt.com> | 2025-02-25 10:59:00 -0800 |
|---|---|---|
| committer |   Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2025-02-25 11:22:00 -0800 |
| commit | e71087ebcd0eb02ca7b4b99c468e1f20435f4bcb (patch) | |
| tree | d4d8f7e4791aa00c20dcdce4de93a449aa379da8 | |
| parent | Input: matrix_keypad - add settle time after enabling all columns (diff) | |
| download | wireguard-linux-e71087ebcd0eb02ca7b4b99c468e1f20435f4bcb.tar.xz wireguard-linux-e71087ebcd0eb02ca7b4b99c468e1f20435f4bcb.zip | |
Input: matrix_keypad - use fsleep for delays after activating columns
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>
Diffstat (limited to '')
| -rw-r--r-- | drivers/input/keyboard/matrix_keypad.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/input/keyboard/matrix_keypad.c b/drivers/input/keyboard/matrix_keypad.c index 889505e59f85..e46473cb817c 100644 --- a/drivers/input/keyboard/matrix_keypad.c +++ b/drivers/input/keyboard/matrix_keypad.c @@ -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) |