Input: atkbd - add keymap quirk for Inventec Symphony systems

The Zepto 6615WD laptop (rebranded Inventec Symphony system) needs a
key release quirk for its volume keys to work. The attached patch adds
the quirk to the atkbd driver.

Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=460237

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Adel Gadllah <adel.gadllah@gmail.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 22016ca1535..c93b9b4ff03 100644
--- a/drivers/input/keyboard/atkbd.c
+++ b/drivers/input/keyboard/atkbd.c
@@ -868,6 +868,22 @@ static void atkbd_hp_keymap_fixup(struct atkbd *atkbd)
 }
 
 /*
+ * Inventec system with broken key release on volume keys
+ */
+static void atkbd_inventec_keymap_fixup(struct atkbd *atkbd)
+{
+        const unsigned int forced_release_keys[] = {
+                0xae, 0xb0,
+        };
+        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
  */
@@ -1468,6 +1484,15 @@ static struct dmi_system_id atkbd_dmi_quirk_table[] __initdata = {
                 .callback = atkbd_setup_fixup,
                 .driver_data = atkbd_hp_keymap_fixup,
         },
+        {
+                .ident = "Inventec Symphony",
+                .matches = {
+                        DMI_MATCH(DMI_SYS_VENDOR, "INVENTEC"),
+                        DMI_MATCH(DMI_PRODUCT_NAME, "SYMPHONY 6.0/7.0"),
+                },
+                .callback = atkbd_setup_fixup,
+                .driver_data = atkbd_inventec_keymap_fixup,
+        },
         { }
 };