/* * Copyright 2015, Heiner Kallweit * * 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 #include #include "leds.h" DEFINE_LED_TRIGGER(bt_power_led_trigger); struct hci_basic_led_trigger { struct led_trigger led_trigger; struct hci_dev *hdev; }; #define to_hci_basic_led_trigger(arg) container_of(arg, \ struct hci_basic_led_trigger, led_trigger) void hci_leds_update_powered(struct hci_dev *hdev, bool enabled) { if (hdev->power_led) led_trigger_event(hdev->power_led, enabled ? LED_FULL : LED_OFF); if (!enabled) { struct hci_dev *d; read_lock(&hci_dev_list_lock); list_for_each_entry(d, &hci_dev_list, list) { if (test_bit(HCI_UP, &d->flags)) enabled = true; } read_unlock(&hci_dev_list_lock); } led_trigger_event(bt_power_led_trigger, enabled ? LED_FULL : LED_OFF); } static void power_activate(struct led_classdev *led_cdev) { struct hci_basic_led_trigger *htrig; bool powered; htrig = to_hci_basic_led_trigger(led_cdev->trigger); powered = test_bit(HCI_UP, &htrig->hdev->flags); led_trigger_event(led_cdev->trigger, powered ? LED_FULL : LED_OFF); } static struct led_trigger *led_allocate_basic(struct hci_dev *hdev, void (*activate)(struct led_classdev *led_cdev), const char *name) { struct hci_basic_led_trigger *htrig; htrig = devm_kzalloc(&hdev->dev, sizeof(*htrig), GFP_KERNEL); if (!htrig) return NULL; htrig->hdev = hdev; htrig->led_trigger.activate = activate; htrig->led_trigger.name = devm_kasprintf(&hdev->dev, GFP_KERNEL, "%s-%s", hdev->name, name); if (!htrig->led_trigger.name) goto err_alloc; if (devm_led_trigger_register(&hdev->dev, &htrig->led_trigger)) goto err_register; return &htrig->led_trigger; err_register: devm_kfree(&hdev->dev, (void *)htrig->led_trigger.name); err_alloc: devm_kfree(&hdev->dev, htrig); return NULL; } void hci_leds_init(struct hci_dev *hdev) { /* initialize power_led */ hdev->power_led = led_allocate_basic(hdev, power_activate, "power"); } void bt_leds_init(void) { led_trigger_register_simple("bluetooth-power", &bt_power_led_trigger); } void bt_leds_cleanup(void) { led_trigger_unregister_simple(bt_power_led_trigger); } 987a7736cc0f5192132f7'/>
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authorLinus Torvalds <torvalds@linux-foundation.org>2017-01-31 13:07:04 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-01-31 13:07:04 -0800
commit52e02f2797cf44e00da987a7736cc0f5192132f7 (patch)
tree5edb83141db6c9544feb9a47c5e50ccd173d5e49 /drivers/usb/gadget/udc/net2280.c
parentc9194b99ae1825bdbafc701965442a47739ff0ad (diff)
parent064c3db9c564cc5be514ac21fb4aa26cc33db746 (diff)
Merge branch 'for-4.10-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata
Pull libata fixes from Tejun Heo: "Three libata fixes: an error handling fix, blacklist addition for another fallout from upping the default max sectors, and fix for a sense data reporting bug which affects new harddrives which can report sense data" * 'for-4.10-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata: ata: sata_mv:- Handle return value of devm_ioremap. libata: Fix ATA request sense libata: apply MAX_SEC_1024 to all CX1-JB*-HP devices
Diffstat (limited to 'drivers/usb/gadget/udc/net2280.c')