From 1543e317f1da31b75942316931e8f491a8920811 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 04 Jan 2024 10:08:02 +0000
Subject: [PATCH] disable FB
---
kernel/drivers/platform/x86/dell-laptop.c | 46 ++++++++++++++++++++++++++++++----------------
1 files changed, 30 insertions(+), 16 deletions(-)
diff --git a/kernel/drivers/platform/x86/dell-laptop.c b/kernel/drivers/platform/x86/dell-laptop.c
index 949dbc8..70edc5b 100644
--- a/kernel/drivers/platform/x86/dell-laptop.c
+++ b/kernel/drivers/platform/x86/dell-laptop.c
@@ -1,16 +1,13 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Driver for Dell laptop extras
*
* Copyright (c) Red Hat <mjg@redhat.com>
* Copyright (c) 2014 Gabriele Mazzotta <gabriele.mzt@gmail.com>
- * Copyright (c) 2014 Pali Rohár <pali.rohar@gmail.com>
+ * Copyright (c) 2014 Pali Rohár <pali@kernel.org>
*
* Based on documentation in the libsmbios package:
* Copyright (C) 2005-2014 Dell Inc.
- *
- * 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.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -29,7 +26,6 @@
#include <linux/mm.h>
#include <linux/i8042.h>
#include <linux/debugfs.h>
-#include <linux/dell-led.h>
#include <linux/seq_file.h>
#include <acpi/video.h>
#include "dell-rbtn.h"
@@ -1591,8 +1587,10 @@
switch (unit) {
case KBD_TIMEOUT_DAYS:
value *= 24;
+ fallthrough;
case KBD_TIMEOUT_HOURS:
value *= 60;
+ fallthrough;
case KBD_TIMEOUT_MINUTES:
value *= 60;
unit = KBD_TIMEOUT_SECONDS;
@@ -2135,17 +2133,17 @@
.notifier_call = dell_laptop_notifier_call,
};
-int dell_micmute_led_set(int state)
+static int micmute_led_set(struct led_classdev *led_cdev,
+ enum led_brightness brightness)
{
struct calling_interface_buffer buffer;
struct calling_interface_token *token;
+ int state = brightness != LED_OFF;
if (state == 0)
token = dell_smbios_find_token(GLOBAL_MIC_MUTE_DISABLE);
- else if (state == 1)
- token = dell_smbios_find_token(GLOBAL_MIC_MUTE_ENABLE);
else
- return -EINVAL;
+ token = dell_smbios_find_token(GLOBAL_MIC_MUTE_ENABLE);
if (!token)
return -ENODEV;
@@ -2153,9 +2151,15 @@
dell_fill_request(&buffer, token->location, token->value, 0, 0);
dell_send_request(&buffer, CLASS_TOKEN_WRITE, SELECT_TOKEN_STD);
- return state;
+ return 0;
}
-EXPORT_SYMBOL_GPL(dell_micmute_led_set);
+
+static struct led_classdev micmute_led_cdev = {
+ .name = "platform::micmute",
+ .max_brightness = 1,
+ .brightness_set_blocking = micmute_led_set,
+ .default_trigger = "audio-micmute",
+};
static int __init dell_init(void)
{
@@ -2195,11 +2199,18 @@
kbd_led_init(&platform_device->dev);
dell_laptop_dir = debugfs_create_dir("dell_laptop", NULL);
- if (dell_laptop_dir != NULL)
- debugfs_create_file("rfkill", 0444, dell_laptop_dir, NULL,
- &dell_debugfs_fops);
+ debugfs_create_file("rfkill", 0444, dell_laptop_dir, NULL,
+ &dell_debugfs_fops);
dell_laptop_register_notifier(&dell_laptop_notifier);
+
+ if (dell_smbios_find_token(GLOBAL_MIC_MUTE_DISABLE) &&
+ dell_smbios_find_token(GLOBAL_MIC_MUTE_ENABLE)) {
+ micmute_led_cdev.brightness = ledtrig_audio_get(LED_AUDIO_MICMUTE);
+ ret = led_classdev_register(&platform_device->dev, &micmute_led_cdev);
+ if (ret < 0)
+ goto fail_led;
+ }
if (acpi_video_get_backlight_type() != acpi_backlight_vendor)
return 0;
@@ -2246,6 +2257,8 @@
fail_get_brightness:
backlight_device_unregister(dell_backlight_device);
fail_backlight:
+ led_classdev_unregister(&micmute_led_cdev);
+fail_led:
dell_cleanup_rfkill();
fail_rfkill:
platform_device_del(platform_device);
@@ -2265,6 +2278,7 @@
touchpad_led_exit();
kbd_led_exit();
backlight_device_unregister(dell_backlight_device);
+ led_classdev_unregister(&micmute_led_cdev);
dell_cleanup_rfkill();
if (platform_device) {
platform_device_unregister(platform_device);
@@ -2284,6 +2298,6 @@
MODULE_AUTHOR("Matthew Garrett <mjg@redhat.com>");
MODULE_AUTHOR("Gabriele Mazzotta <gabriele.mzt@gmail.com>");
-MODULE_AUTHOR("Pali Rohár <pali.rohar@gmail.com>");
+MODULE_AUTHOR("Pali Rohár <pali@kernel.org>");
MODULE_DESCRIPTION("Dell laptop driver");
MODULE_LICENSE("GPL");
--
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