From d53da847cf274b8fd3ea362a3dfff68ea6206613 Mon Sep 17 00:00:00 2001
From: Vincent Palatin <vpalatin@chromium.org>
Date: Mon, 9 Jan 2012 12:59:36 +0000
Subject: [PATCH] usb: add numeric keypad support to HID driver
When keys are pressed on the numeric keypad, emit key codes for the numbers,
operators, dot and enter.
Signed-off-by: Vincent Palatin <vpalatin@chromium.org>
---
common/usb_kbd.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/common/usb_kbd.c b/common/usb_kbd.c
index aaf7d6fa3d..2472d25d4a 100644
--- a/common/usb_kbd.c
+++ b/common/usb_kbd.c
@@ -87,6 +87,12 @@ static const unsigned char usb_kbd_numkey_shifted[] = {
'|', '~', ':', '"', '~', '<', '>', '?'
};
+static const unsigned char usb_kbd_num_keypad[] = {
+ '/', '*', '-', '+', '\r',
+ '1', '2', '3', '4', '5', '6', '7', '8', '9', '0',
+ '.', 0, 0, 0, '='
+};
+
/*
* NOTE: It's important for the NUM, CAPS, SCROLL-lock bits to be in this
* order. See usb_kbd_setled() function!
@@ -218,6 +224,10 @@ static int usb_kbd_translate(struct usb_kbd_pdata *data, unsigned char scancode,
keycode = usb_kbd_numkey[scancode - 0x1e];
}
+ /* Numeric keypad */
+ if ((scancode >= 0x54) && (scancode <= 0x67))
+ keycode = usb_kbd_num_keypad[scancode - 0x54];
+
if (data->flags & USB_KBD_CTRL)
keycode = scancode - 0x3;
--
2.39.5