The patch titled
Add keyboard blink driver
has been added to the -mm tree. Its filename is
add-keyboard-blink-driver.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: Add keyboard blink driver
From: Andi Kleen <ak@xxxxxxxxxx>
Simple driver that blinks the keyboard LEDs when loaded. Useful for
checking that the kernel is still alive or for crashdumping
Signed-off-by: Andi Kleen <ak@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/misc/Kconfig | 9 +++++++++
drivers/misc/Makefile | 1 +
drivers/misc/blink.c | 27 +++++++++++++++++++++++++++
3 files changed, 37 insertions(+)
diff -puN drivers/misc/Kconfig~add-keyboard-blink-driver drivers/misc/Kconfig
--- a/drivers/misc/Kconfig~add-keyboard-blink-driver
+++ a/drivers/misc/Kconfig
@@ -175,4 +175,13 @@ config EEPROM_93CX6
When compiled as a module, this driver will be called "eeprom_93c6.ko".
+config BLINK
+ tristate "Keyboard blink driver"
+ help
+ Driver that when loaded will blink the keyboard LEDs continuously.
+ This is useful for debugging and for kernels that cannot necessarily
+ output something to the screen like kexec kernels to give the user
+ a visual indication that the kernel is doing something.
+
+
endmenu
diff -puN drivers/misc/Makefile~add-keyboard-blink-driver drivers/misc/Makefile
--- a/drivers/misc/Makefile~add-keyboard-blink-driver
+++ a/drivers/misc/Makefile
@@ -14,3 +14,4 @@ obj-$(CONFIG_TIFM_7XX1) += tifm_7
obj-$(CONFIG_SGI_IOC4) += ioc4.o
obj-$(CONFIG_SONY_LAPTOP) += sony-laptop.o
obj-$(CONFIG_THINKPAD_ACPI) += thinkpad_acpi.o
+obj-$(CONFIG_BLINK) += blink.o
diff -puN /dev/null drivers/misc/blink.c
--- /dev/null
+++ a/drivers/misc/blink.c
@@ -0,0 +1,27 @@
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/timer.h>
+#include <linux/jiffies.h>
+
+static void do_blink(unsigned long data);
+
+static DEFINE_TIMER(blink_timer, do_blink, 0 ,0);
+
+static void do_blink(unsigned long data)
+{
+ static long count;
+ if (panic_blink)
+ panic_blink(count++);
+ blink_timer.expires = jiffies + msecs_to_jiffies(1);
+ add_timer(&blink_timer);
+}
+
+static int blink_init(void)
+{
+ printk(KERN_INFO "Enabling keyboard blinking\n");
+ do_blink(0);
+ return 0;
+}
+
+module_init(blink_init);
+
_
Patches currently in -mm which might be from ak@xxxxxxxxxx are
add-keyboard-blink-driver.patch
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