Input: atkbd - fix HP 2133 not sending release event for video switch

[linux-2.6-omap-h63xx.git] / drivers / input / keyboard / atkbd.c

diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c
index c27537be82ae435a042f7288574c1476d3b2b481..b1ce10f50bcfcf7a14eca2c8c4cd9606efaecd90 100644 (file)
--- a/drivers/input/keyboard/atkbd.c
+++ b/drivers/input/keyboard/atkbd.c
@@ -850,6 +850,23 @@ static void atkbd_latitude_keymap_fixup(struct atkbd *atkbd)
                                  atkbd->force_release_mask);
 }
 
+/*
+ * Perform fixup for HP system that doesn't generate release
+ * for its video switch
+ */
+static void atkbd_hp_keymap_fixup(struct atkbd *atkbd)
+{
+       const unsigned int forced_release_keys[] = {
+               0x94,
+       };
+       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
@@ -1452,6 +1469,15 @@ static struct dmi_system_id atkbd_dmi_quirk_table[] __initdata = {
                .callback = atkbd_setup_fixup,
                .driver_data = atkbd_latitude_keymap_fixup,
        },
+       {
+               .ident = "HP 2133",
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "HP 2133"),
+               },
+               .callback = atkbd_setup_fixup,
+               .driver_data = atkbd_hp_keymap_fixup,
+       },
        { }
 };