From bedbef8ad3e75a304af6361af235302bcc61d06b Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 14 May 2024 06:39:01 +0000
Subject: [PATCH] 修改内核路径
---
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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