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

[Patrick Rudolph (Code Review)]

Patrick Rudolph has uploaded this change for review. ( https://review.coreboot.org/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 
---
M payloads/libpayload/drivers/i8042/keyboard.c
1 file changed, 8 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/84/23584/1

diff --git a/payloads/libpayload/drivers/i8042/keyboard.c b/payloads/libpayload/drivers/i8042/keyboard.c
index d9063e5..b44fafa 100644
--- a/payloads/libpayload/drivers/i8042/keyboard.c
+++ b/payloads/libpayload/drivers/i8042/keyboard.c
@@ -315,6 +315,14 @@
    if (!ret)
    	return;

+	/*
+	 * Set default parameters.
+	 * Fix for broken QEMU ps/2 make scancodes.
+	 */
+	ret = keyboard_cmd(0xf6);
+	if (!ret)
+		return;
+
    /* Enable scanning */
    ret = keyboard_cmd(0xf4);
    if (!ret)