Re: [PATCH] ability to change SysRq scancode

federico
2005-07-09T21:43:58Z

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Alexey Dobriyan ha scritto:

>On Sunday 10 July 2005 00:44, federico wrote:
>
>
>>i release this patch because my keyboard ("Mitsumi Electric Apple
>>Extended USB Keyboard" Bus=0003 Vendor=05ac Product=0205 Version=0122)
>>doesn't have a PrintScr key, so cannot send the right scancode, and
>>KEY_SYSRQ needs to be modified.
>>
>>i hope that i've done in the right way ;)
>>
>>
>
>diff -uprN please.
>
>
here it is

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diff -uprN linux.orig/include/linux/input.h linux/include/linux/input.h
--- linux.orig/include/linux/input.h 2005-07-09 21:48:19.000000000 +0200
+++ linux/include/linux/input.h 2005-07-09 21:50:14.000000000 +0200
@@ -204,7 +204,13 @@ struct input_absinfo {
#define KEY_KPENTER 96
#define KEY_RIGHTCTRL 97
#define KEY_KPSLASH 98
+
+#if defined(CONFIG_MAGIC_SYSRQ) && defined(CONFIG_MAGIC_SYSRQ_SCANCODE)
+#define KEY_SYSRQ CONFIG_MAGIC_SYSRQ_SCANCODE
+#else
#define KEY_SYSRQ 99
+#endif
+
#define KEY_RIGHTALT 100
#define KEY_LINEFEED 101
#define KEY_HOME 102
diff -uprN linux.orig/lib/Kconfig.debug linux/lib/Kconfig.debug
--- linux.orig/lib/Kconfig.debug 2005-07-09 21:47:22.000000000 +0200
+++ linux/lib/Kconfig.debug 2005-07-09 21:50:44.000000000 +0200
@@ -28,6 +28,16 @@ config MAGIC_SYSRQ
send a BREAK and then within 5 seconds a command keypress. The
keys are documented in <file:Documentation/sysrq.txt>. Don't say Y
unless you really know what this hack does.
+
+config MAGIC_SYSRQ_SCANCODE
+ int
+ prompt "Change default scancode of SysRq key" if MAGIC_SYSRQ
+ default 99
+ depends on MAGIC_SYSRQ
+ help
+ If your keyboard hasn't a SysRq key, you can specify another key
+ which should act as SysRq. You can find the scancode on your
+ keyboard with programs like showkey or evtest.

config LOG_BUF_SHIFT
int "Kernel log buffer size (16 => 64KB, 17 => 128KB)" if DEBUG_KERNEL