1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
|
// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
/*
* Copyright (C) 2024 Intel Corporation
*/
#include <linux/leds.h>
#include <net/mac80211.h>
#include "fw/api/led.h"
#include "mld.h"
#include "led.h"
#include "hcmd.h"
static void iwl_mld_send_led_fw_cmd(struct iwl_mld *mld, bool on)
{
struct iwl_led_cmd led_cmd = {
.status = cpu_to_le32(on),
};
int err;
if (WARN_ON(!mld->fw_status.running))
return;
err = iwl_mld_send_cmd_with_flags_pdu(mld, WIDE_ID(LONG_GROUP,
LEDS_CMD),
CMD_ASYNC, &led_cmd);
if (err)
IWL_WARN(mld, "LED command failed: %d\n", err);
}
static void iwl_led_brightness_set(struct led_classdev *led_cdev,
enum led_brightness brightness)
{
struct iwl_mld *mld = container_of(led_cdev, struct iwl_mld, led);
if (!mld->fw_status.running)
return;
iwl_mld_send_led_fw_cmd(mld, brightness > 0);
}
int iwl_mld_leds_init(struct iwl_mld *mld)
{
int mode = iwlwifi_mod_params.led_mode;
int ret;
switch (mode) {
case IWL_LED_BLINK:
IWL_ERR(mld, "Blink led mode not supported, used default\n");
fallthrough;
case IWL_LED_DEFAULT:
case IWL_LED_RF_STATE:
mode = IWL_LED_RF_STATE;
break;
case IWL_LED_DISABLE:
IWL_INFO(mld, "Led disabled\n");
return 0;
default:
return -EINVAL;
}
mld->led.name = kasprintf(GFP_KERNEL, "%s-led",
wiphy_name(mld->hw->wiphy));
if (!mld->led.name)
return -ENOMEM;
mld->led.brightness_set = iwl_led_brightness_set;
mld->led.max_brightness = 1;
if (mode == IWL_LED_RF_STATE)
mld->led.default_trigger =
ieee80211_get_radio_led_name(mld->hw);
ret = led_classdev_register(mld->trans->dev, &mld->led);
if (ret) {
kfree(mld->led.name);
mld->led.name = NULL;
IWL_INFO(mld, "Failed to enable led\n");
}
return ret;
}
void iwl_mld_led_config_fw(struct iwl_mld *mld)
{
if (!mld->led.name)
return;
iwl_mld_send_led_fw_cmd(mld, mld->led.brightness > 0);
}
void iwl_mld_leds_exit(struct iwl_mld *mld)
{
if (!mld->led.name)
return;
led_classdev_unregister(&mld->led);
kfree(mld->led.name);
mld->led.name = NULL;
}
|
