dell-laptop: make dell_laptop_i8042_filter() static

Make dell_laptop_i8042_filter() static as it's used only in dell-laptop.c

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c
index 92382185f143..b41ed5cab3e7 100644
--- a/drivers/platform/x86/dell-laptop.c
+++ b/drivers/platform/x86/dell-laptop.c
@@ -473,7 +473,7 @@ static struct backlight_ops dell_ops = {
         .update_status  = dell_send_intensity,
 };
 
-bool dell_laptop_i8042_filter(unsigned char data, unsigned char str,
+static bool dell_laptop_i8042_filter(unsigned char data, unsigned char str,
                               struct serio *port)
 {
         static bool extended;