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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 <siro@das-labor.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/23584
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Patrick Rudolph 2018-01-16 18:59:54 +01:00 committed by Patrick Georgi
parent e39db681df
commit a95a6bf646
1 changed files with 8 additions and 0 deletions
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8
payloads/libpayload/drivers/i8042/keyboard.c
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@ -333,6 +333,14 @@ void keyboard_init(void)
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))