From 1c355f74dff469aa78402f3e6b424cd3125bcdcb Mon Sep 17 00:00:00 2001
From: Ian Moffett <ian@osmora.org>
Date: Fri, 18 Apr 2025 21:45:56 -0400
Subject: kernel/amd64: isa: Attempt to wake up PS/2 lines

Signed-off-by: Ian Moffett <ian@osmora.org>
---
 sys/arch/amd64/isa/i8042.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'sys')

diff --git a/sys/arch/amd64/isa/i8042.c b/sys/arch/amd64/isa/i8042.c
index ea4fc65..fde1a05 100644
--- a/sys/arch/amd64/isa/i8042.c
+++ b/sys/arch/amd64/isa/i8042.c
@@ -360,6 +360,10 @@ i8042_kb_getc(uint8_t sc, char *chr)
 static void
 i8042_sync_loop(void)
 {
+    /* Wake up the bus */
+    outb(I8042_DATA, 0x00);
+    i8042_drain();
+
     for (;;) {
         i8042_sync();
         md_pause();
-- 
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