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From d947e63ae4890ac4ecd6f408f68dbcafdcc34482 Mon Sep 17 00:00:00 2001
From: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Date: Wed, 3 Dec 2014 20:26:56 +0300
Subject: [PATCH 05/20] input: locomokbd: provide an Alt-SysRQ combination
It is usefull sometimes to have an Alt-SysRQ combo on the keyboard to be
able to trigger sysrq functions directly. Add an option providing sysrq
mapping for Contact-Home keys.
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
---
drivers/input/keyboard/Kconfig | 6 ++++++
drivers/input/keyboard/locomokbd.c | 14 +++++++++++---
2 files changed, 17 insertions(+), 3 deletions(-)
diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
index 4e20538..8d6d4a8 100644
--- a/drivers/input/keyboard/Kconfig
+++ b/drivers/input/keyboard/Kconfig
@@ -343,6 +343,12 @@ config KEYBOARD_LOCOMO
To compile this driver as a module, choose M here: the
module will be called locomokbd.
+config KEYBOARD_LOCOMOKBD_SYSRQ
+ bool "Provide SysRQ key on LoCoMo keyboard"
+ help
+ Say Y here to be able to use Contact-Home as Alt-Sysrq combo.
+ Say N if you want to use them as usual keys.
+
config KEYBOARD_LPC32XX
tristate "LPC32XX matrix key scanner support"
depends on ARCH_LPC32XX && OF
diff --git a/drivers/input/keyboard/locomokbd.c b/drivers/input/keyboard/locomokbd.c
index eed0a94..eb8dbe2 100644
--- a/drivers/input/keyboard/locomokbd.c
+++ b/drivers/input/keyboard/locomokbd.c
@@ -40,6 +40,14 @@
#define KEY_CONTACT KEY_F18
#define KEY_CENTER KEY_F15
+#ifdef CONFIG_KEYBOARD_LOCOMOKBD_SYSRQ
+#define LOCOMO_KEY_CONTACT KEY_LEFTALT
+#define LOCOMO_KEY_HOME KEY_SYSRQ
+#else
+#define LOCOMO_KEY_CONTACT KEY_CONTACT
+#define LOCOMO_KEY_HOME KEY_HOME
+#endif
+
#define KB_ROWS 16
#define KB_COLS 8
#define LOCOMOKBD_NUMKEYS (KB_ROWS * KB_COLS)
@@ -48,7 +56,7 @@
static const unsigned char
locomokbd_keycode[LOCOMOKBD_NUMKEYS] = {
0, KEY_ESC, KEY_ACTIVITY, 0, 0, 0, 0, 0, 0, 0, /* 0 - 9 */
- 0, 0, 0, 0, 0, 0, 0, KEY_MENU, 0, KEY_CONTACT, /* 10 - 19 */
+ 0, 0, 0, 0, 0, 0, 0, KEY_MENU, 0, LOCOMO_KEY_CONTACT, /* 10 - 19 */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 20 - 29 */
0, 0, 0, KEY_CENTER, 0, KEY_MAIL, 0, 0, 0, 0, /* 30 - 39 */
0, 0, 0, 0, 0, 0, 0, 0, 0, KEY_RIGHT, /* 40 - 49 */
@@ -280,9 +288,9 @@ static int locomokbd_probe(struct platform_device *dev)
sizeof(locomokbd->keycode));
if (machine_is_collie())
- locomokbd->keycode[18] = KEY_HOME;
+ locomokbd->keycode[18] = LOCOMO_KEY_HOME;
else
- locomokbd->keycode[3] = KEY_HOME;
+ locomokbd->keycode[3] = LOCOMO_KEY_HOME;
for (i = 0; i < LOCOMOKBD_NUMKEYS; i++)
input_set_capability(input_dev, EV_KEY, locomokbd->keycode[i]);
--
1.9.1
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