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/misc/ims-pcu.c | 34 ++++++++++------------------------
1 files changed, 10 insertions(+), 24 deletions(-)
diff --git a/kernel/drivers/input/misc/ims-pcu.c b/kernel/drivers/input/misc/ims-pcu.c
index 3d51175..08b9b5c 100644
--- a/kernel/drivers/input/misc/ims-pcu.c
+++ b/kernel/drivers/input/misc/ims-pcu.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Driver for IMS Passenger Control Unit Devices
*
* Copyright (C) 2013 The IMS Company
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2
- * as published by the Free Software Foundation.
*/
#include <linux/completion.h>
@@ -39,8 +36,6 @@
struct ims_pcu_backlight {
struct led_classdev cdev;
- struct work_struct work;
- enum led_brightness desired_brightness;
char name[32];
};
@@ -340,7 +335,7 @@
err_free_mem:
input_free_device(input);
kfree(gamepad);
- return -ENOMEM;
+ return error;
}
static void ims_pcu_destroy_gamepad(struct ims_pcu *pcu)
@@ -949,14 +944,14 @@
#define IMS_PCU_MAX_BRIGHTNESS 31998
-static void ims_pcu_backlight_work(struct work_struct *work)
+static int ims_pcu_backlight_set_brightness(struct led_classdev *cdev,
+ enum led_brightness value)
{
struct ims_pcu_backlight *backlight =
- container_of(work, struct ims_pcu_backlight, work);
+ container_of(cdev, struct ims_pcu_backlight, cdev);
struct ims_pcu *pcu =
container_of(backlight, struct ims_pcu, backlight);
- int desired_brightness = backlight->desired_brightness;
- __le16 br_val = cpu_to_le16(desired_brightness);
+ __le16 br_val = cpu_to_le16(value);
int error;
mutex_lock(&pcu->cmd_mutex);
@@ -966,19 +961,11 @@
if (error && error != -ENODEV)
dev_warn(pcu->dev,
"Failed to set desired brightness %u, error: %d\n",
- desired_brightness, error);
+ value, error);
mutex_unlock(&pcu->cmd_mutex);
-}
-static void ims_pcu_backlight_set_brightness(struct led_classdev *cdev,
- enum led_brightness value)
-{
- struct ims_pcu_backlight *backlight =
- container_of(cdev, struct ims_pcu_backlight, cdev);
-
- backlight->desired_brightness = value;
- schedule_work(&backlight->work);
+ return error;
}
static enum led_brightness
@@ -1015,14 +1002,14 @@
struct ims_pcu_backlight *backlight = &pcu->backlight;
int error;
- INIT_WORK(&backlight->work, ims_pcu_backlight_work);
snprintf(backlight->name, sizeof(backlight->name),
"pcu%d::kbd_backlight", pcu->device_no);
backlight->cdev.name = backlight->name;
backlight->cdev.max_brightness = IMS_PCU_MAX_BRIGHTNESS;
backlight->cdev.brightness_get = ims_pcu_backlight_get_brightness;
- backlight->cdev.brightness_set = ims_pcu_backlight_set_brightness;
+ backlight->cdev.brightness_set_blocking =
+ ims_pcu_backlight_set_brightness;
error = led_classdev_register(pcu->dev, &backlight->cdev);
if (error) {
@@ -1040,7 +1027,6 @@
struct ims_pcu_backlight *backlight = &pcu->backlight;
led_classdev_unregister(&backlight->cdev);
- cancel_work_sync(&backlight->work);
}
--
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