HP ProBooks do not send a key release for brightness keys, as a
result, brightness does not move up/down when the brightness key
is held down. This quirk makes the brightness keys on HP ProBooks
typematic.
Signed-off-by: Manoj Iyer <manoj.iyer@xxxxxxxxxxxxx>
---
drivers/input/keyboard/atkbd.c | 16 ++++++++++++++++
1 files changed, 16 insertions(+), 0 deletions(-)
diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c
index e05a2e7..b910822 100644
--- a/drivers/input/keyboard/atkbd.c
+++ b/drivers/input/keyboard/atkbd.c
@@ -951,6 +951,14 @@ static unsigned int atkbd_volume_forced_release_keys[] = {
};
/*
+ * Perform fixup for systems that do not generate key release event
+ * for brightness up/down keys.
+ */
+static unsigned int atkbd_brightness_forced_release_keys[] = {
+ 0x92, 0x97, -1U
+};
+
+/*
* OQO 01+ multimedia keys (64--66) generate e0 6x upon release whereas
* they should be generating e4-e6 (0x80 | code).
*/
@@ -1666,6 +1674,14 @@ static const struct dmi_system_id atkbd_dmi_quirk_table[] __initconst = {
.driver_data = atkbd_volume_forced_release_keys,
},
{
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "HP ProBook"),
+ },
+ .callback = atkbd_setup_forced_release,
+ .driver_data = atkbd_brightness_forced_release_keys,
+ },
+ {
/* Inventec Symphony */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "INVENTEC"),
--
1.7.9
--
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