// SPDX-License-Identifier: GPL-2.0 /* Author: Hans de Goede */ #include #include #include #include "common.h" static int int3472_pled_set(struct led_classdev *led_cdev, enum led_brightness brightness) { struct int3472_discrete_device *int3472 = container_of(led_cdev, struct int3472_discrete_device, pled.classdev); gpiod_set_value_cansleep(int3472->pled.gpio, brightness); return 0; } int skl_int3472_register_pled(struct int3472_discrete_device *int3472, struct gpio_desc *gpio) { char *p; int ret; if (int3472->pled.classdev.dev) return -EBUSY; int3472->pled.gpio = gpio; /* Generate the name, replacing the ':' in the ACPI devname with '_' */ snprintf(int3472->pled.name, sizeof(int3472->pled.name), "%s::privacy_led", acpi_dev_name(int3472->sensor)); p = strchr(int3472->pled.name, ':'); if (p) *p = '_'; int3472->pled.classdev.name = int3472->pled.name; int3472->pled.classdev.max_brightness = 1; int3472->pled.classdev.brightness_set_blocking = int3472_pled_set; ret = led_classdev_register(int3472->dev, &int3472->pled.classdev); if (ret) return ret; int3472->pled.lookup.provider = int3472->pled.name; int3472->pled.lookup.dev_id = int3472->sensor_name; int3472->pled.lookup.con_id = "privacy-led"; led_add_lookup(&int3472->pled.lookup); return 0; } void skl_int3472_unregister_pled(struct int3472_discrete_device *int3472) { if (IS_ERR_OR_NULL(int3472->pled.classdev.dev)) return; led_remove_lookup(&int3472->pled.lookup); led_classdev_unregister(&int3472->pled.classdev); }