From ac2e6e01f155811d0e206298f0d7cadcc9234603 Mon Sep 17 00:00:00 2001
From: Takeshi ISHII <2170248+mtei@users.noreply.github.com>
Date: Tue, 13 Jul 2021 16:50:25 +0900
Subject: Change the prototype of matrix_output_unselect_delay() (#13045)

The prototype of matrix_output_unselect_delay() has been changed as follows.

```c
void matrix_output_unselect_delay(uint8_t line, bool key_pressed);
```

Currently, no keyboard seems to be redefining `matrix_output_unselect_delay()`, so there is no change in the system behavior.

With this change, the keyboard level code can get some optimization hints, for example, the following.

```c
 void matrix_output_unselect_delay(uint8_t line, bool key_pressed) {
     /* If none of the keys are pressed,
      *  there is no need to wait for time for the next line. */
     if (key_pressed) {
 #ifdef MATRIX_IO_DELAY
 #  if MATRIX_IO_DELAY > 0
         wait_us(MATRIX_IO_DELAY);
 #  endif
 #else
         wait_us(30);
 #endif
     }
}
```
---
 quantum/matrix_common.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'quantum/matrix_common.c')

diff --git a/quantum/matrix_common.c b/quantum/matrix_common.c
index efbad6a5fd..66c89970b1 100644
--- a/quantum/matrix_common.c
+++ b/quantum/matrix_common.c
@@ -88,7 +88,7 @@ uint8_t matrix_key_count(void) {
 __attribute__((weak)) void matrix_io_delay(void) { wait_us(MATRIX_IO_DELAY); }
 
 __attribute__((weak)) void matrix_output_select_delay(void) { waitInputPinDelay(); }
-__attribute__((weak)) void matrix_output_unselect_delay(void) { matrix_io_delay(); }
+__attribute__((weak)) void matrix_output_unselect_delay(uint8_t line, bool key_pressed) { matrix_io_delay(); }
 
 // CUSTOM MATRIX 'LITE'
 __attribute__((weak)) void matrix_init_custom(void) {}
-- 
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