Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
Input: matrix_keypad - add function for reading row state
Move the evaluation of a row state into separate function.
It will be also used by a change later in this series.
Signed-off-by: Markus Burri <markus.burri@mt.com>
Reviewed-by: Manuel Traut <manuel.traut@mt.com>
Link: https://lore.kernel.org/r/20250226152843.43932-2-markus.burri@mt.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
authored by
Markus Burri
and committed by
Dmitry Torokhov
a37af8e8
4d395cb0
+11
-3
+11
-3
drivers/input/keyboard/matrix_keypad.c
+11
-3
drivers/input/keyboard/matrix_keypad.c
···
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disable_irq_nosync(keypad->row_irqs[i]);
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}
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static uint32_t read_row_state(struct matrix_keypad *keypad)
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{
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int row;
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u32 row_state = 0;
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for (row = 0; row < keypad->num_row_gpios; row++)
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row_state |= row_asserted(keypad, row) ? BIT(row) : 0;
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return row_state;
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}
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+
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/*
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* This gets the keys from keyboard and reports it to input subsystem
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*/
···
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activate_col(keypad, col, true);
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for (row = 0; row < keypad->num_row_gpios; row++)
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new_state[col] |=
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row_asserted(keypad, row) ? BIT(row) : 0;
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new_state[col] = read_row_state(keypad);
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activate_col(keypad, col, false);
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}