Add keyboard blink driver

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@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index a3c525b2616a..bfb02c1a45ae 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -178,4 +178,13 @@ config THINKPAD_ACPI_BAY
 
           If you are not sure, say Y here.
 
+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