101 lines
2.0 KiB
C
101 lines
2.0 KiB
C
// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
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/*
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* Copyright (C) 2024 Intel Corporation
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*/
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#include <linux/leds.h>
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#include <net/mac80211.h>
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#include "fw/api/led.h"
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#include "mld.h"
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#include "led.h"
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#include "hcmd.h"
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static void iwl_mld_send_led_fw_cmd(struct iwl_mld *mld, bool on)
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{
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struct iwl_led_cmd led_cmd = {
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.status = cpu_to_le32(on),
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};
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int err;
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if (WARN_ON(!mld->fw_status.running))
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return;
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err = iwl_mld_send_cmd_with_flags_pdu(mld, WIDE_ID(LONG_GROUP,
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LEDS_CMD),
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CMD_ASYNC, &led_cmd);
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if (err)
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IWL_WARN(mld, "LED command failed: %d\n", err);
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}
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static void iwl_led_brightness_set(struct led_classdev *led_cdev,
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enum led_brightness brightness)
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{
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struct iwl_mld *mld = container_of(led_cdev, struct iwl_mld, led);
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if (!mld->fw_status.running)
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return;
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iwl_mld_send_led_fw_cmd(mld, brightness > 0);
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}
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int iwl_mld_leds_init(struct iwl_mld *mld)
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{
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int mode = iwlwifi_mod_params.led_mode;
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int ret;
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switch (mode) {
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case IWL_LED_BLINK:
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IWL_ERR(mld, "Blink led mode not supported, used default\n");
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fallthrough;
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case IWL_LED_DEFAULT:
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case IWL_LED_RF_STATE:
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mode = IWL_LED_RF_STATE;
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break;
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case IWL_LED_DISABLE:
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IWL_INFO(mld, "Led disabled\n");
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return 0;
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default:
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return -EINVAL;
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}
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mld->led.name = kasprintf(GFP_KERNEL, "%s-led",
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wiphy_name(mld->hw->wiphy));
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if (!mld->led.name)
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return -ENOMEM;
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mld->led.brightness_set = iwl_led_brightness_set;
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mld->led.max_brightness = 1;
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if (mode == IWL_LED_RF_STATE)
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mld->led.default_trigger =
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ieee80211_get_radio_led_name(mld->hw);
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ret = led_classdev_register(mld->trans->dev, &mld->led);
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if (ret) {
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kfree(mld->led.name);
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mld->led.name = NULL;
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IWL_INFO(mld, "Failed to enable led\n");
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}
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return ret;
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}
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void iwl_mld_led_config_fw(struct iwl_mld *mld)
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{
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if (!mld->led.name)
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return;
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iwl_mld_send_led_fw_cmd(mld, mld->led.brightness > 0);
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}
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void iwl_mld_leds_exit(struct iwl_mld *mld)
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{
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if (!mld->led.name)
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return;
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led_classdev_unregister(&mld->led);
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kfree(mld->led.name);
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mld->led.name = NULL;
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}
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