2  * drivers/leds/leds-apu.c
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74 	spinlock_t lock;  member
86 	/* PC Engines APU with factory bios "SageBios_PCEngines_APU-45" */
110 	spin_lock(&apu_led->lock);  in apu1_led_brightness_set()
111 	iowrite8(value ? APU1_LEDON : APU1_LEDOFF, pled->param.addr);  in apu1_led_brightness_set()
112 	spin_unlock(&apu_led->lock);  in apu1_led_brightness_set()
120 	apu_led->pled = devm_kcalloc(dev,  in apu_led_config()
124 	if (!apu_led->pled)  in apu_led_config()
125 		return -ENOMEM;  in apu_led_config()
128 		struct apu_led_priv *pled = &apu_led->pled[i];  in apu_led_config()
129 		struct led_classdev *led_cdev = &pled->cdev;  in apu_led_config()
131 		led_cdev->name = apu1_led_profile[i].name;  in apu_led_config()
132 		led_cdev->brightness = apu1_led_profile[i].brightness;  in apu_led_config()
133 		led_cdev->max_brightness = 1;  in apu_led_config()
134 		led_cdev->flags = LED_CORE_SUSPENDRESUME;  in apu_led_config()
135 		led_cdev->brightness_set = apu1_led_brightness_set;  in apu_led_config()
137 		pled->param.addr = devm_ioremap(dev,  in apu_led_config()
139 		if (!pled->param.addr) {  in apu_led_config()
140 			err = -ENOMEM;  in apu_led_config()
154 	while (i-- > 0)  in apu_led_config()
155 		led_classdev_unregister(&apu_led->pled[i].cdev);  in apu_led_config()
162 	apu_led = devm_kzalloc(&pdev->dev, sizeof(*apu_led), GFP_KERNEL);  in apu_led_probe()
165 		return -ENOMEM;  in apu_led_probe()
167 	apu_led->pdev = pdev;  in apu_led_probe()
169 	spin_lock_init(&apu_led->lock);  in apu_led_probe()
170 	return apu_led_config(&pdev->dev, apu_led);  in apu_led_probe()
187 		return -ENODEV;  in apu_led_init()
190 	pdev = platform_device_register_simple(KBUILD_MODNAME, -1, NULL, 0);  in apu_led_init()
210 		led_classdev_unregister(&apu_led->pled[i].cdev);  in apu_led_exit()
212 	platform_device_unregister(apu_led->pdev);  in apu_led_exit()