0001-Add-support-for-Acer-Predator-macro-keys.patch

diff -up linux-6.9-rc1/drivers/platform/x86/acer-wmi.c.3~ linux-6.9-rc1/drivers/platform/x86/acer-wmi.c
--- linux-6.9-rc1/drivers/platform/x86/acer-wmi.c.3~	2024-03-24 22:10:05.000000000 +0100
+++ linux-6.9-rc1/drivers/platform/x86/acer-wmi.c	2024-03-25 10:52:42.435851128 +0100
@@ -7,6 +7,9 @@
  *  Based on acer_acpi:
  *    Copyright (C) 2005-2007	E.M. Smith
  *    Copyright (C) 2007-2008	Carlos Corbacho <cathectic@gmail.com>
+ *
+ *  Added support for Acer Predator hotkeys:
+ *    Copyright (C) 2021        Bernhard Rosenkraenzer <bero@lindev.ch>
  */
 
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -95,7 +98,7 @@ MODULE_ALIAS("wmi:676AA15E-6A47-4D9F-A2C
 enum acer_wmi_event_ids {
 	WMID_HOTKEY_EVENT = 0x1,
 	WMID_ACCEL_OR_KBD_DOCK_EVENT = 0x5,
-	WMID_GAMING_TURBO_KEY_EVENT = 0x7,
+	WMID_GAMING_KEY_EVENT = 0x7,
 };
 
 enum acer_wmi_predator_v4_sys_info_command {
@@ -146,6 +149,26 @@ static const struct key_entry acer_wmi_k
 	{KE_KEY, 0x85, {KEY_TOUCHPAD_TOGGLE} },
 	{KE_KEY, 0x86, {KEY_WLAN} },
 	{KE_KEY, 0x87, {KEY_POWER} },
+	/* Acer Predator macro keys:
+	 * 0xdaXY:
+	 *   da   - magic value (preDAtor)
+	 *     X  - macro key selector state (0: red, 1: blue, 2: green)
+	 *      Y - key pressed (0: 1, 1: 2, ...) */
+	{KE_KEY, 0xda00, {KEY_PROG1} },
+	{KE_KEY, 0xda01, {KEY_PROG2} },
+	{KE_KEY, 0xda02, {KEY_PROG3} },
+	{KE_KEY, 0xda03, {KEY_PROG4} },
+	{KE_KEY, 0xda04, {KEY_F13} },
+	{KE_KEY, 0xda10, {KEY_F14} },
+	{KE_KEY, 0xda11, {KEY_F15} },
+	{KE_KEY, 0xda12, {KEY_F16} },
+	{KE_KEY, 0xda13, {KEY_F17} },
+	{KE_KEY, 0xda14, {KEY_F18} },
+	{KE_KEY, 0xda20, {KEY_F19} },
+	{KE_KEY, 0xda21, {KEY_F20} },
+	{KE_KEY, 0xda22, {KEY_F21} },
+	{KE_KEY, 0xda23, {KEY_F22} },
+	{KE_KEY, 0xda24, {KEY_F23} },
 	{KE_END, 0}
 };
 
@@ -275,6 +298,7 @@ static bool ec_raw_mode;
 static bool has_type_aa;
 static u16 commun_func_bitmap;
 static u8 commun_fn_key_number;
+static u8 macro_key_state = 0;
 static bool cycle_gaming_thermal_profile = true;
 static bool predator_v4;
 
@@ -2285,10 +2309,28 @@ static void acer_wmi_notify(u32 value, v
 		acer_gsensor_event();
 		acer_kbd_dock_event(&return_value);
 		break;
-	case WMID_GAMING_TURBO_KEY_EVENT:
-		if (return_value.key_num == 0x4)
+	case WMID_GAMING_KEY_EVENT:
+		if (return_value.key_num == 0x1) {
+			/*
+			 * This is the macro toggle key on Acer Predator
+			 * laptops (it switches colors and selects which
+			 * events are generated by the actual macro keys,
+			 * key_num = 0x2)
+			 */
+			if(return_value.device_state >= 1 && return_value.device_state <= 3)
+				macro_key_state = return_value.device_state - 1;
+			else
+				pr_warn("macro key state %d requested (only values 1 to 3 are known)\n", return_value.device_state);
+			break;
+		} else if (return_value.key_num == 0x2) {
+			if(return_value.device_state >= 1 && return_value.device_state <= 5)
+				sparse_keymap_report_event(acer_wmi_input_dev, 0xda00 + (macro_key_state<<4) + return_value.device_state-1, 1, true);
+			else
+				pr_warn("macro key %d pressed (only 1 to 5 are known)\n", return_value.device_state);
+			break;
+		} else if (return_value.key_num == 0x4)
 			acer_toggle_turbo();
-		if (return_value.key_num == 0x5 && has_cap(ACER_CAP_PLATFORM_PROFILE))
+		else if (return_value.key_num == 0x5 && has_cap(ACER_CAP_PLATFORM_PROFILE))
 			acer_thermal_profile_change();
 		break;
 	default: