d6d69c824e
Now that the SPDX tag is in all drivers/staging/nvec/ files, that identifies the license in a specific and legally-defined manner. So the extra GPL text wording can be removed as it is no longer needed at all. This is done on a quest to remove the 700+ different ways that files in the kernel describe the GPL license text. And there's unneeded stuff like the address (sometimes incorrect) for the FSF which is never needed. No copyright headers or other non-license-description text was removed. Cc: Marc Dietrich <marvin24@gmx.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
84 lines
1.9 KiB
C
84 lines
1.9 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* nvec_paz00: OEM specific driver for Compal PAZ00 based devices
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*
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* Copyright (C) 2011 The AC100 Kernel Team <ac100@lists.launchpad.net>
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*
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* Authors: Ilya Petrov <ilya.muromec@gmail.com>
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*/
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#include <linux/module.h>
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#include <linux/err.h>
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#include <linux/slab.h>
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#include <linux/leds.h>
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#include <linux/platform_device.h>
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#include "nvec.h"
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#define to_nvec_led(led_cdev) \
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container_of(led_cdev, struct nvec_led, cdev)
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#define NVEC_LED_REQ {'\x0d', '\x10', '\x45', '\x10', '\x00'}
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#define NVEC_LED_MAX 8
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struct nvec_led {
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struct led_classdev cdev;
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struct nvec_chip *nvec;
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};
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static void nvec_led_brightness_set(struct led_classdev *led_cdev,
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enum led_brightness value)
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{
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struct nvec_led *led = to_nvec_led(led_cdev);
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unsigned char buf[] = NVEC_LED_REQ;
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buf[4] = value;
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nvec_write_async(led->nvec, buf, sizeof(buf));
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led->cdev.brightness = value;
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}
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static int nvec_paz00_probe(struct platform_device *pdev)
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{
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struct nvec_chip *nvec = dev_get_drvdata(pdev->dev.parent);
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struct nvec_led *led;
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int ret = 0;
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led = devm_kzalloc(&pdev->dev, sizeof(*led), GFP_KERNEL);
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if (!led)
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return -ENOMEM;
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led->cdev.max_brightness = NVEC_LED_MAX;
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led->cdev.brightness_set = nvec_led_brightness_set;
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led->cdev.name = "paz00-led";
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led->cdev.flags |= LED_CORE_SUSPENDRESUME;
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led->nvec = nvec;
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platform_set_drvdata(pdev, led);
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ret = devm_led_classdev_register(&pdev->dev, &led->cdev);
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if (ret < 0)
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return ret;
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/* to expose the default value to userspace */
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led->cdev.brightness = 0;
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return 0;
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}
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static struct platform_driver nvec_paz00_driver = {
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.probe = nvec_paz00_probe,
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.driver = {
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.name = "nvec-paz00",
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},
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};
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module_platform_driver(nvec_paz00_driver);
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MODULE_AUTHOR("Ilya Petrov <ilya.muromec@gmail.com>");
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MODULE_DESCRIPTION("Tegra NVEC PAZ00 driver");
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MODULE_LICENSE("GPL");
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MODULE_ALIAS("platform:nvec-paz00");
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