Input: i8042 - export i8042_command()

Export the i8042_command() function which manages the mutual
exclusion with the help of the i8042_lock spinlock. This allows
to access i8042 safely from other parts of the kernel.

Signed-off-by: Márton Németh <nm127@freemail.hu>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c
index 11dafc0ee99..1a0cea3c529 100644
--- a/drivers/input/serio/i8042.c
+++ b/drivers/input/serio/i8042.c
@@ -20,6 +20,7 @@
 #include <linux/err.h>
 #include <linux/rcupdate.h>
 #include <linux/platform_device.h>
+#include <linux/i8042.h>
 
 #include <asm/io.h>
 
@@ -208,7 +209,7 @@ static int __i8042_command(unsigned char *param, int command)
         return 0;
 }
 
-static int i8042_command(unsigned char *param, int command)
+int i8042_command(unsigned char *param, int command)
 {
         unsigned long flags;
         int retval;
@@ -219,6 +220,7 @@ static int i8042_command(unsigned char *param, int command)
 
         return retval;
 }
+EXPORT_SYMBOL(i8042_command);
 
 /*
  * i8042_kbd_write() sends a byte out through the keyboard interface.