After issuing ATKBD_CMD_RESET_DIS, LG Keyboard stop working.
The workaround is to remove ATKBD_CMD_RESET_DIS for LG Keyboards.
In order to keep the minimum changes to the current atkbd driver,
I add logic to apply the patch if and only if the device is LG LW25-B7HV or P1-J273B.
---
drivers/input/keyboard/atkbd.c | 28 +++++++++++++++++++++++++++-
1 file changed, 27 insertions(+), 1 deletion(-)
diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c
index 2626773..9f82533 100644
--- a/drivers/input/keyboard/atkbd.c
+++ b/drivers/input/keyboard/atkbd.c
@@ -243,6 +243,8 @@ static void (*atkbd_platform_fixup)(struct atkbd *, const void *data);
static void *atkbd_platform_fixup_data;
static unsigned int (*atkbd_platform_scancode_fixup)(struct atkbd *, unsigned int);
+static void *atkbd_deactivate_fixup;
+
static ssize_t atkbd_attr_show_helper(struct device *dev, char *buf,
ssize_t (*handler)(struct atkbd *, char *));
static ssize_t atkbd_attr_set_helper(struct device *dev, const char *buf, size_t count,
@@ -698,11 +700,13 @@ static int atkbd_activate(struct atkbd *atkbd)
* atkbd_deactivate() resets and disables the keyboard from sending
* keystrokes.
*/
-
static void atkbd_deactivate(struct atkbd *atkbd)
{
struct ps2dev *ps2dev = &atkbd->ps2dev;
+ if (atkbd_deactivate_fixup)
+ return;
+
if (ps2_command(ps2dev, NULL, ATKBD_CMD_RESET_DIS))
dev_err(&ps2dev->serio->dev,
"Failed to deactivate keyboard on %s\n",
@@ -1638,6 +1642,12 @@ static int __init atkbd_setup_scancode_fixup(const struct dmi_system_id *id)
return 1;
}
+static int __init atkbd_setup_deactivate(const struct dmi_system_id *id)
+{
+ atkbd_deactivate_fixup = id->driver_data;
+ return 1;
+}
+
static const struct dmi_system_id atkbd_dmi_quirk_table[] __initconst = {
{
.matches = {
@@ -1775,6 +1785,22 @@ static const struct dmi_system_id atkbd_dmi_quirk_table[] __initconst = {
.callback = atkbd_setup_scancode_fixup,
.driver_data = atkbd_oqo_01plus_scancode_fixup,
},
+ {
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "LG Electronics"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "LW25-B7HV"),
+ },
+ .callback = atkbd_setup_deactivate,
+ .driver_data = (void*) 1,
+ },
+ {
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "LG Electronics"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "P1-J273B"),
+ },
+ .callback = atkbd_setup_deactivate,
+ .driver_data = (void*) 1,
+ },
{ }
};
--
1.9.1.423.g4596e3a
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