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serial: efi: improve input handling 

0x08 is the scan-code for 'backspace' not 'delete'.
0x17 indicates the start of an escape sequence, such as "[3~" for
'delete'.

Signed-off-by: Michael Olbrich <m.olbrich@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Michael Olbrich 2017-01-23 18:02:15 +01:00 committed by Sascha Hauer
parent 02a3c4f396
commit 23a90fe3d7
1 changed files with 2 additions and 1 deletions
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3
drivers/serial/efi-stdio.c
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@ -99,9 +99,10 @@ static struct efi_ctrlkey ctrlkeys[] = {
{ 0x05, BB_KEY_HOME },
{ 0x06, BB_KEY_END },
{ 0x07, BB_KEY_INSERT },
{ 0x08, BB_KEY_DEL },
{ 0x08, BB_KEY_DEL7 },
{ 0x09, BB_KEY_PAGEUP },
{ 0x0a, BB_KEY_PAGEDOWN },
{ 0x17, 27 /* escape key */ },
};
static int efi_read_key(struct efi_console_priv *priv, bool wait)