keyboard: Use BIOS Keyboard variable to set Numlock
The PC BIOS does provide a NUMLOCK flag containing the desired state
of this LED. This patch sets the current state according to the data
in the bios.
[ hpa: fixed __weak declaration without definition, changed "inline"
to "static inline" ]
Signed-Off-By: Joshua Cov <joshuacov@googlemail.com>
Link: http://lkml.kernel.org/r/CAKL7Q7rvq87TNS1T_Km8fW_5OzS%2BSbYazLXKxW-6ztOxo3zorg@mail.gmail.com
Acked-by: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
diff --git a/arch/x86/include/asm/kbdleds.h b/arch/x86/include/asm/kbdleds.h
new file mode 100644
index 0000000..f27ac5f
--- /dev/null
+++ b/arch/x86/include/asm/kbdleds.h
@@ -0,0 +1,17 @@
+#ifndef _ASM_X86_KBDLEDS_H
+#define _ASM_X86_KBDLEDS_H
+
+/*
+ * Some laptops take the 789uiojklm,. keys as number pad when NumLock is on.
+ * This seems a good reason to start with NumLock off. That's why on X86 we
+ * ask the bios for the correct state.
+ */
+
+#include <asm/setup.h>
+
+static inline int kbd_defleds(void)
+{
+ return boot_params.kbd_status & 0x20 ? (1 << VC_NUMLOCK) : 0;
+}
+
+#endif /* _ASM_X86_KBDLEDS_H */