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feature(drivers): Option for read wait on matrix.

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* Add a new Kconfig option, `ZMK_KSCAN_MATRIX_WAIT_BEFORE_INPUTS`
  to delay reading inputs after setting an output active.
This commit is contained in:
Peter Johanson 2022-09-28 17:59:25 +00:00 • committed by Pete Johanson
parent 0b39bf4336
commit 9782518397
2 changed files with 15 additions and 1 deletions
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4
app/drivers/kscan/kscan_gpio_matrix.c
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@ -235,6 +235,10 @@ static int kscan_matrix_read(const struct device *dev) {
return err;
}
#if CONFIG_ZMK_KSCAN_MATRIX_WAIT_BEFORE_INPUTS > 0
k_busy_wait(CONFIG_ZMK_KSCAN_MATRIX_WAIT_BEFORE_INPUTS);
#endif
for (int i = 0; i < config->inputs.len; i++) {
const struct gpio_dt_spec *in_gpio = &config->inputs.gpios[i];