From: chandramouli narayanan <mouli@linux.intel.com>
Date: Fri, 13 Jul 2012 17:34:42 +0000 (-0700)
Subject: efi_getchar() should wait for the event before reading keystroke.
X-Git-Tag: syslinux-6.00-pre1~32
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=16aba524b339a2b0c5f0514827a8329fd120be03;p=platform%2Fupstream%2Fsyslinux.git

efi_getchar() should wait for the event before reading keystroke.
On an efi64 platform, it didn't work without wait. It needs further
debugging to ascertain the fix.
---

diff --git a/efi/main.c b/efi/main.c
index 07177e0..251f5aa 100644
--- a/efi/main.c
+++ b/efi/main.c
@@ -243,6 +243,7 @@ char efi_getchar(void)
 	EFI_STATUS status;
 	char c;
 
+	WaitForSingleEvent(in->WaitForKey, 0);
 	do {
 		status = uefi_call_wrapper(in->ReadKeyStroke, 2, in, &key);
 	} while (status == EFI_NOT_READY);