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platform/x86: dell-wmi: add new keymap type 0x0012 

These are events with extended data. The extended data is
currently ignored as userspace does not have a way to deal
it.

Ignore event with a type of 0x0012 and a code of 0xe035, as
the keyboard controller takes care of Fn lock events by itself.
This silences the following messages being logged when
pressing the Fn-lock key on a Dell Inspiron 5593:

dell_wmi: Unknown WMI event type 0x12
dell_wmi: Unknown key with type 0x0012 and code 0xe035 pressed

This is consistent with the behavior for the Fn-lock key
elsewhere in this file.

Signed-off-by: Y Paritcher <y.linux@paritcher.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Mario Limonciello <mario.limonciello@dell.com>
This commit is contained in:
Y Paritcher 2020-06-10 13:56:57 -04:00 committed by Andy Shevchenko
parent a633c479c6
commit 0c026c361b
1 changed files with 20 additions and 2 deletions
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22
drivers/platform/x86/dell-wmi.c
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@ -334,6 +334,15 @@ static const struct key_entry dell_wmi_keymap_type_0011[] = {
{ KE_IGNORE, KBD_LED_AUTO_100_TOKEN, { KEY_RESERVED } },
};
/*
* Keymap for WMI events of type 0x0012
* They are events with extended data
*/
static const struct key_entry dell_wmi_keymap_type_0012[] = {
/* Fn-lock button pressed */
{ KE_IGNORE, 0xe035, { KEY_RESERVED } },
};
static void dell_wmi_process_key(struct wmi_device *wdev, int type, int code)
{
struct dell_wmi_priv *priv = dev_get_drvdata(&wdev->dev);
@ -418,10 +427,11 @@ static void dell_wmi_notify(struct wmi_device *wdev,
switch (buffer_entry[1]) {
case 0x0000: /* One key pressed or event occurred */
case 0x0012: /* Event with extended data occurred */
if (len > 2)
dell_wmi_process_key(wdev, 0x0000,
dell_wmi_process_key(wdev, buffer_entry[1],
buffer_entry[2]);
/* Other entries could contain additional information */
/* Extended data is currently ignored */
break;
case 0x0010: /* Sequence of keys pressed */
case 0x0011: /* Sequence of events occurred */
@ -556,6 +566,7 @@ static int dell_wmi_input_setup(struct wmi_device *wdev)
ARRAY_SIZE(dell_wmi_keymap_type_0000) +
ARRAY_SIZE(dell_wmi_keymap_type_0010) +
ARRAY_SIZE(dell_wmi_keymap_type_0011) +
ARRAY_SIZE(dell_wmi_keymap_type_0012) +
1,
sizeof(struct key_entry), GFP_KERNEL);
if (!keymap) {
@ -600,6 +611,13 @@ static int dell_wmi_input_setup(struct wmi_device *wdev)
pos++;
}
/* Append table with events of type 0x0012 */
for (i = 0; i < ARRAY_SIZE(dell_wmi_keymap_type_0012); i++) {
keymap[pos] = dell_wmi_keymap_type_0012[i];
keymap[pos].code |= (0x0012 << 16);
pos++;
}
/*
* Now append also table with "legacy" events of type 0x0000. Some of
* them are reported also on laptops which have scancodes in DMI.