linux-kernel - [PATCH] platform/x86: hp-wmi: Handle Omen Key event

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Message-ID: <Y8cjgu1ql+5+/NST@rishit-OMEN-Laptop-15-en0xxx>
Date:   Wed, 18 Jan 2023 04:08:58 +0530
From:   Rishit Bansal <rishitbansal0@...il.com>
To:     Hans de Goede <hdegoede@...hat.com>,
        Mark Gross <markgross@...nel.org>,
        platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] platform/x86: hp-wmi: Handle Omen Key event

Add support to map the "HP Omen Key" to KEY_PROG2. Laptops in the HP
Omen Series open the HP Omen Command Center application on windows. But,
on linux it fails with the following message from the hp-wmi driver:

[ 5143.415714] hp_wmi: Unknown event_id - 29 - 0x21a5

Signed-off-by: Rishit Bansal <rishitbansal0@...il.com>
---
 drivers/platform/x86/hp/hp-wmi.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/platform/x86/hp/hp-wmi.c b/drivers/platform/x86/hp/hp-wmi.c
index 0a99058be813..d8ba3c483901 100644
--- a/drivers/platform/x86/hp/hp-wmi.c
+++ b/drivers/platform/x86/hp/hp-wmi.c
@@ -91,6 +91,7 @@ enum hp_wmi_event_ids {
 	HPWMI_BATTERY_CHARGE_PERIOD	= 0x10,
 	HPWMI_SANITIZATION_MODE		= 0x17,
 	HPWMI_SMART_EXPERIENCE_APP	= 0x21,
+	HPWMI_OMEN_KEY				= 0x1D,
 };
 
 /*
@@ -219,6 +220,7 @@ static const struct key_entry hp_wmi_keymap[] = {
 	{ KE_KEY, 0x21a9,  { KEY_TOUCHPAD_OFF } },
 	{ KE_KEY, 0x121a9, { KEY_TOUCHPAD_ON } },
 	{ KE_KEY, 0x231b,  { KEY_HELP } },
+	{ KE_KEY, 0x21a5,  { KEY_PROG2 }}, /* HP Omen Key */
 	{ KE_END, 0 }
 };
 
@@ -810,6 +812,7 @@ static void hp_wmi_notify(u32 value, void *context)
 	case HPWMI_SMART_ADAPTER:
 		break;
 	case HPWMI_BEZEL_BUTTON:
+	case HPWMI_OMEN_KEY:
 		key_code = hp_wmi_read_int(HPWMI_HOTKEY_QUERY);
 		if (key_code < 0)
 			break;
-- 
2.37.2