Change in ...coreboot[master]: libpayload/drivers/i8402/kbd: Fix qemu

[Patrick Georgi (Code Review)]

Patrick Georgi has submitted this change and it was merged. ( https://review.coreboot.org/c/coreboot/+/23584 )

Change subject: libpayload/drivers/i8402/kbd: Fix qemu
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libpayload/drivers/i8402/kbd: Fix qemu

Reset keyboard controller to fix qemu make scan codes.

Change-Id: I5f8ad2d4be4b9e89d9af3a62726259e77f0403c1
Signed-off-by: Patrick Rudolph 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/23584
Reviewed-by: Patrick Georgi 
Tested-by: build bot (Jenkins) 
---
M payloads/libpayload/drivers/i8042/keyboard.c
1 file changed, 8 insertions(+), 0 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Patrick Georgi: Looks good to me, approved

diff --git a/payloads/libpayload/drivers/i8042/keyboard.c b/payloads/libpayload/drivers/i8042/keyboard.c
index fea9e71..12255fb 100644
--- a/payloads/libpayload/drivers/i8042/keyboard.c
+++ b/payloads/libpayload/drivers/i8042/keyboard.c
@@ -333,6 +333,14 @@
    if (!ret && !CONFIG(LP_PC_KEYBOARD_IGNORE_INIT_FAILURE))
    	return;

+	/*
+	 * Set default parameters.
+	 * Fix for broken QEMU ps/2 make scancodes.
+	 */
+	ret = keyboard_cmd(0xf6);
+	if (!ret)
+		return;
+
    /* Enable scanning */
    ret = keyboard_cmd(I8042_KBCMD_EN);
    if (!ret && !CONFIG(LP_PC_KEYBOARD_IGNORE_INIT_FAILURE))