Input: atkbd - Samsung NC10 key repeat fix

This patch fixes the key repeat issue with the Fn+F? keys on the new
Samsung NC10 Netbook, so that the keys can be defined and used within
ACPID correctly, otherwise the keys repeat indefinately.

This solves part of http://bugzilla.kernel.org/show_bug.cgi?id=12021

Signed-off-by: Stuart Hopkins <stuart@dodgy-geeza.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

1 files changed, 25 insertions, 0 deletions

diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c
index fa6ed339d171..97f709f2a68f 100644
--- a/drivers/input/keyboard/atkbd.c
+++ b/drivers/input/keyboard/atkbd.c
@@ -901,6 +901,22 @@ static void atkbd_hp_zv6100_keymap_fixup(struct atkbd *atkbd)
 }
 
 /*
+ * Samsung NC10 with Fn+F? key release not working
+ */
+static void atkbd_samsung_keymap_fixup(struct atkbd *atkbd)
+{
+        const unsigned int forced_release_keys[] = {
+                0x82, 0x83, 0x84, 0x86, 0x88, 0x89, 0xb3, 0xf7, 0xf9,
+        };
+        int i;
+
+        if (atkbd->set == 2)
+                for (i = 0; i < ARRAY_SIZE(forced_release_keys); i++)
+                        __set_bit(forced_release_keys[i],
+                                  atkbd->force_release_mask);
+}
+
+/*
  * atkbd_set_keycode_table() initializes keyboard's keycode table
  * according to the selected scancode set
  */
@@ -1519,6 +1535,15 @@ static struct dmi_system_id atkbd_dmi_quirk_table[] __initdata = {
                 .callback = atkbd_setup_fixup,
                 .driver_data = atkbd_inventec_keymap_fixup,
         },
+        {
+                .ident = "Samsung NC10",
+                .matches = {
+                        DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
+                        DMI_MATCH(DMI_PRODUCT_NAME, "NC10"),
+                },
+                .callback = atkbd_setup_fixup,
+                .driver_data = atkbd_samsung_keymap_fixup,
+        },
         { }
 };