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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Javier Martinez Canillas <javierm@redhat.com>
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Date: Fri, 6 Nov 2020 14:14:24 +0100
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Subject: [PATCH] at_keyboard: Fix keyboards that report IBM PC AT scan codes
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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GRUB has support for both the IBM PC XT (Set 1) and IBM PC AT (Set 2) key
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scan code mappings. But the driver always hardcodes to Set 1, overwriting
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the mode that was queried in the grub_keyboard_controller_init() function.
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This breaks keyboard mapping on machines whose firmwares are not using the
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Set 1. For example, this is the case in Lenovo P71 and HP Elitebook 8770W
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laptops that report key scan codes using Set 2.
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Instead of hardcoding to Set 1, use the value that was queried before.
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Reported-by: Renaud Métrich <rmetrich@redhat.com>
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Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
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---
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grub-core/term/at_keyboard.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/grub-core/term/at_keyboard.c b/grub-core/term/at_keyboard.c
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index b4257e84a04..cbec595d166 100644
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--- a/grub-core/term/at_keyboard.c
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+++ b/grub-core/term/at_keyboard.c
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@@ -355,7 +355,7 @@ set_scancodes (void)
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}
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#if !USE_SCANCODE_SET
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- current_set = 1;
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+ current_set = grub_keyboard_orig_set;
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return;
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#else
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