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Message-ID: <20231029230135.793281-12-sashal@kernel.org>
Date:   Sun, 29 Oct 2023 19:01:25 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Hans de Goede <hdegoede@...hat.com>, James John <me@...jajo.com>,
        Sasha Levin <sashal@...nel.org>, corentin.chary@...il.com,
        ilpo.jarvinen@...ux.intel.com, markgross@...nel.org,
        acpi4asus-user@...ts.sourceforge.net,
        platform-driver-x86@...r.kernel.org
Subject: [PATCH AUTOSEL 4.19 12/12] platform/x86: asus-wmi: Map 0x2a code, Ignore 0x2b and 0x2c events

From: Hans de Goede <hdegoede@...hat.com>

[ Upstream commit 235985d1763f7aba92c1c64e5f5aaec26c2c9b18 ]

Newer Asus laptops send the following new WMI event codes when some
of the F1 - F12 "media" hotkeys are pressed:

0x2a Screen Capture
0x2b PrintScreen
0x2c CapsLock

Map 0x2a to KEY_SELECTIVE_SCREENSHOT mirroring how similar hotkeys
are mapped on other laptops.

PrintScreem and CapsLock are also reported as normal PS/2 keyboard events,
map these event codes to KE_IGNORE to avoid "Unknown key code 0x%x\n" log
messages.

Reported-by: James John <me@...jajo.com>
Closes: https://lore.kernel.org/platform-driver-x86/a2c441fe-457e-44cf-a146-0ecd86b037cf@donjajo.com/
Closes: https://bbs.archlinux.org/viewtopic.php?pid=2123716
Signed-off-by: Hans de Goede <hdegoede@...hat.com>
Link: https://lore.kernel.org/r/20231017090725.38163-4-hdegoede@redhat.com
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/platform/x86/asus-nb-wmi.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/platform/x86/asus-nb-wmi.c b/drivers/platform/x86/asus-nb-wmi.c
index 8db2dc05b8cf2..d1c34eb3ebb1d 100644
--- a/drivers/platform/x86/asus-nb-wmi.c
+++ b/drivers/platform/x86/asus-nb-wmi.c
@@ -447,6 +447,9 @@ static void asus_nb_wmi_quirks(struct asus_wmi_driver *driver)
 static const struct key_entry asus_nb_wmi_keymap[] = {
 	{ KE_KEY, ASUS_WMI_BRN_DOWN, { KEY_BRIGHTNESSDOWN } },
 	{ KE_KEY, ASUS_WMI_BRN_UP, { KEY_BRIGHTNESSUP } },
+	{ KE_KEY, 0x2a, { KEY_SELECTIVE_SCREENSHOT } },
+	{ KE_IGNORE, 0x2b, }, /* PrintScreen (also send via PS/2) on newer models */
+	{ KE_IGNORE, 0x2c, }, /* CapsLock (also send via PS/2) on newer models */
 	{ KE_KEY, 0x30, { KEY_VOLUMEUP } },
 	{ KE_KEY, 0x31, { KEY_VOLUMEDOWN } },
 	{ KE_KEY, 0x32, { KEY_MUTE } },
-- 
2.42.0

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