[PATCH] platform/x86: asus-wmi: Ignore WMI events with codes 0x7B, 0xC0

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On ASUS GU604V the key 0x7B is issued when the charger is connected or
disconnected, and key 0xC0 is issued when an external display is
connected or disconnected.

This commit maps them to KE_IGNORE to slience kernel messages about
unknown keys, such as:

    kernel: asus_wmi: Unknown key code 0x7b

Signed-off-by: Alexandru Sorodoc <ealex95@xxxxxxxxx>
---
I'm not sure what those keys events actually mean. I assume they are
some redundant notifications because no laptop functionality seems to
depend on them.

If there is anything I can check or investigate please let me know.

Thanks,
Alex

 drivers/platform/x86/asus-nb-wmi.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/platform/x86/asus-nb-wmi.c b/drivers/platform/x86/asus-nb-wmi.c
index e2c9a68d12df..fdf7da06af30 100644
--- a/drivers/platform/x86/asus-nb-wmi.c
+++ b/drivers/platform/x86/asus-nb-wmi.c
@@ -555,6 +555,7 @@ static const struct key_entry asus_nb_wmi_keymap[] = {
 	{ KE_KEY, 0x71, { KEY_F13 } }, /* General-purpose button */
 	{ KE_IGNORE, 0x79, },  /* Charger type dectection notification */
 	{ KE_KEY, 0x7a, { KEY_ALS_TOGGLE } }, /* Ambient Light Sensor Toggle */
+	{ KE_IGNORE, 0x7B, }, /* Charger connect/disconnect notification */
 	{ KE_KEY, 0x7c, { KEY_MICMUTE } },
 	{ KE_KEY, 0x7D, { KEY_BLUETOOTH } }, /* Bluetooth Enable */
 	{ KE_KEY, 0x7E, { KEY_BLUETOOTH } }, /* Bluetooth Disable */
@@ -584,6 +585,7 @@ static const struct key_entry asus_nb_wmi_keymap[] = {
 	{ KE_KEY, 0xAE, { KEY_FN_F5 } }, /* Fn+F5 fan mode on 2020+ */
 	{ KE_KEY, 0xB3, { KEY_PROG4 } }, /* AURA */
 	{ KE_KEY, 0xB5, { KEY_CALC } },
+	{ KE_IGNORE, 0xC0, }, /* External display connect/disconnect notification */
 	{ KE_KEY, 0xC4, { KEY_KBDILLUMUP } },
 	{ KE_KEY, 0xC5, { KEY_KBDILLUMDOWN } },
 	{ KE_IGNORE, 0xC6, },  /* Ambient Light Sensor notification */
-- 
2.40.1




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