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/*
* Copyright 2015, Guodong Xu <guodong.xu@linaro.org>
* Copyright 2006, Johannes Berg <johannes@sipsolutions.net>
*
* 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/slab.h>
#include "led.h"
#define BLUETOOTH_BLINK_DELAY 50 /* ms */
void bluetooth_led_rx(struct hci_dev *hdev)
{
unsigned long led_delay = BLUETOOTH_BLINK_DELAY;
if (unlikely(!hdev->rx_led))
return;
led_trigger_blink_oneshot(hdev->rx_led, &led_delay, &led_delay, 0);
}
EXPORT_SYMBOL_GPL(bluetooth_led_rx);
void bluetooth_led_tx(struct hci_dev *hdev)
{
unsigned long led_delay = BLUETOOTH_BLINK_DELAY;
if (unlikely(!hdev->tx_led))
return;
led_trigger_blink_oneshot(hdev->tx_led, &led_delay, &led_delay, 0);
}
EXPORT_SYMBOL_GPL(bluetooth_led_tx);
void bluetooth_led_names(struct hci_dev *hdev)
{
snprintf(hdev->rx_led_name, sizeof(hdev->rx_led_name),
"%srx", hdev->name);
snprintf(hdev->tx_led_name, sizeof(hdev->tx_led_name),
"%stx", hdev->name);
}
void bluetooth_led_init(struct hci_dev *hdev)
{
hdev->rx_led = kzalloc(sizeof(struct led_trigger), GFP_KERNEL);
if (hdev->rx_led) {
hdev->rx_led->name = hdev->rx_led_name;
if (led_trigger_register(hdev->rx_led)) {
kfree(hdev->rx_led);
hdev->rx_led = NULL;
}
}
hdev->tx_led = kzalloc(sizeof(struct led_trigger), GFP_KERNEL);
if (hdev->tx_led) {
hdev->tx_led->name = hdev->tx_led_name;
if (led_trigger_register(hdev->tx_led)) {
kfree(hdev->tx_led);
hdev->tx_led = NULL;
}
}
}
void bluetooth_led_exit(struct hci_dev *hdev)
{
if (hdev->tx_led) {
led_trigger_unregister(hdev->tx_led);
kfree(hdev->tx_led);
}
if (hdev->rx_led) {
led_trigger_unregister(hdev->rx_led);
kfree(hdev->rx_led);
}
}
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