5ccf9873ab
Switch to devm_get_gpiod() for discrete GPIOs for clks / regulators / LEDs and let devm do the cleanup for us. Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Reviewed-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Link: https://lore.kernel.org/r/20231004162317.163488-5-hdegoede@redhat.com Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
59 lines
1.6 KiB
C
59 lines
1.6 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/* Author: Hans de Goede <hdegoede@redhat.com> */
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#include <linux/acpi.h>
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#include <linux/gpio/consumer.h>
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#include <linux/leds.h>
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#include "common.h"
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static int int3472_pled_set(struct led_classdev *led_cdev,
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enum led_brightness brightness)
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{
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struct int3472_discrete_device *int3472 =
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container_of(led_cdev, struct int3472_discrete_device, pled.classdev);
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gpiod_set_value_cansleep(int3472->pled.gpio, brightness);
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return 0;
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}
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int skl_int3472_register_pled(struct int3472_discrete_device *int3472, struct gpio_desc *gpio)
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{
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char *p;
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int ret;
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if (int3472->pled.classdev.dev)
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return -EBUSY;
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int3472->pled.gpio = gpio;
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/* Generate the name, replacing the ':' in the ACPI devname with '_' */
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snprintf(int3472->pled.name, sizeof(int3472->pled.name),
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"%s::privacy_led", acpi_dev_name(int3472->sensor));
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p = strchr(int3472->pled.name, ':');
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if (p)
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*p = '_';
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int3472->pled.classdev.name = int3472->pled.name;
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int3472->pled.classdev.max_brightness = 1;
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int3472->pled.classdev.brightness_set_blocking = int3472_pled_set;
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ret = led_classdev_register(int3472->dev, &int3472->pled.classdev);
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if (ret)
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return ret;
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int3472->pled.lookup.provider = int3472->pled.name;
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int3472->pled.lookup.dev_id = int3472->sensor_name;
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int3472->pled.lookup.con_id = "privacy-led";
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led_add_lookup(&int3472->pled.lookup);
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return 0;
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}
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void skl_int3472_unregister_pled(struct int3472_discrete_device *int3472)
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{
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if (IS_ERR_OR_NULL(int3472->pled.classdev.dev))
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return;
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led_remove_lookup(&int3472->pled.lookup);
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led_classdev_unregister(&int3472->pled.classdev);
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}
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