From 9370bb92b2d16684ee45cf24e879c93c509162da Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 19 Dec 2024 01:47:39 +0000
Subject: [PATCH] add wifi6 8852be driver

---
 kernel/drivers/input/sensors/hall/mh248.c |   79 ++++++++++++++++++++-------------------
 1 files changed, 41 insertions(+), 38 deletions(-)

diff --git a/kernel/drivers/input/sensors/hall/mh248.c b/kernel/drivers/input/sensors/hall/mh248.c
index 63aabd6..000b59a 100644
--- a/kernel/drivers/input/sensors/hall/mh248.c
+++ b/kernel/drivers/input/sensors/hall/mh248.c
@@ -1,19 +1,10 @@
- /*
- * drivers/input/sensors/hall/mh248.c
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2020 Rockchip Electronics Co. Ltd.
  *
- * Copyright (C) 2012-2016 Rockchip Co.,Ltd.
  * Author: Bin Yang <yangbin@rock-chips.com>
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
  */
+
 
 #include <linux/platform_device.h>
 #include <linux/interrupt.h>
@@ -33,11 +24,13 @@
 #include <linux/fb.h>
 #include <linux/notifier.h>
 #include <linux/rk_keys.h>
+#include <linux/input.h>
 
 struct mh248_para {
 	struct device *dev;
 	struct notifier_block fb_notif;
 	struct mutex ops_lock;
+	struct input_dev *hall_input;
 	int is_suspend;
 	int gpio_pin;
 	int irq;
@@ -52,23 +45,17 @@
 
 	mh248 = container_of(self, struct mh248_para, fb_notif);
 
+	if (action != FB_EVENT_BLANK)
+		return NOTIFY_DONE;
+
 	mutex_lock(&mh248->ops_lock);
-	if (action == FB_EARLY_EVENT_BLANK) {
-		switch (*((int *)event->data)) {
-		case FB_BLANK_UNBLANK:
-			break;
-		default:
-			mh248->is_suspend = 1;
-			break;
-		}
-	} else if (action == FB_EVENT_BLANK) {
-		switch (*((int *)event->data)) {
-		case FB_BLANK_UNBLANK:
-			mh248->is_suspend = 0;
-			break;
-		default:
-			break;
-		}
+	switch (*((int *)event->data)) {
+	case FB_BLANK_UNBLANK:
+		mh248->is_suspend = 0;
+		break;
+	default:
+		mh248->is_suspend = 1;
+		break;
 	}
 	mutex_unlock(&mh248->ops_lock);
 
@@ -81,14 +68,18 @@
 	int gpio_value = 0;
 
 	gpio_value = gpio_get_value(mh248->gpio_pin);
-
 	if ((gpio_value != mh248->active_value) &&
 	    (mh248->is_suspend == 0)) {
-		rk_send_power_key(1);
-		rk_send_power_key(0);
+		input_report_key(mh248->hall_input, KEY_POWER, 1);
+		input_sync(mh248->hall_input);
+		input_report_key(mh248->hall_input, KEY_POWER, 0);
+		input_sync(mh248->hall_input);
 	} else if ((gpio_value == mh248->active_value) &&
 		   (mh248->is_suspend == 1)) {
-		rk_send_wakeup_key();
+		input_report_key(mh248->hall_input, KEY_WAKEUP, 1);
+		input_sync(mh248->hall_input);
+		input_report_key(mh248->hall_input, KEY_WAKEUP, 0);
+		input_sync(mh248->hall_input);
 	}
 
 	return IRQ_HANDLED;
@@ -100,7 +91,6 @@
 	struct mh248_para *mh248;
 	enum of_gpio_flags irq_flags;
 	int hallactive = 0;
-	int gpio_value = 0;
 	int ret = 0;
 
 	mh248 = devm_kzalloc(&pdev->dev, sizeof(*mh248), GFP_KERNEL);
@@ -110,7 +100,7 @@
 	mh248->dev = &pdev->dev;
 
 	mh248->gpio_pin = of_get_named_gpio_flags(np, "irq-gpio",
-					0, &irq_flags);
+						  0, &irq_flags);
 	if (!gpio_is_valid(mh248->gpio_pin)) {
 		dev_err(mh248->dev, "Can not read property irq-gpio\n");
 		return mh248->gpio_pin;
@@ -125,11 +115,9 @@
 	ret = devm_gpio_request_one(mh248->dev, mh248->gpio_pin,
 				    GPIOF_DIR_IN, "hall_mh248");
 	if (ret < 0) {
-		dev_err(mh248->dev, "fail to request gpio:%d\n",
-			mh248->gpio_pin);
+		dev_err(mh248->dev, "fail to request gpio:%d\n", mh248->gpio_pin);
 		return ret;
 	}
-	gpio_value = gpio_get_value(mh248->gpio_pin);
 
 	ret = devm_request_threaded_irq(mh248->dev, mh248->irq,
 					NULL, hall_mh248_interrupt,
@@ -141,6 +129,21 @@
 		return ret;
 	}
 
+	mh248->hall_input = devm_input_allocate_device(&pdev->dev);
+	if (!mh248->hall_input) {
+		dev_err(&pdev->dev, "Can't allocate hall input dev\n");
+		return -ENOMEM;
+	}
+	mh248->hall_input->name = "hall wake key";
+	input_set_capability(mh248->hall_input, EV_KEY, KEY_POWER);
+	input_set_capability(mh248->hall_input, EV_KEY, KEY_WAKEUP);
+
+	ret = input_register_device(mh248->hall_input);
+	if (ret) {
+		dev_err(&pdev->dev, "Unable to register input device, error: %d\n", ret);
+		return ret;
+	}
+
 	enable_irq_wake(mh248->irq);
 	mh248->fb_notif.notifier_call = hall_fb_notifier_callback;
 	fb_register_client(&mh248->fb_notif);

--
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