*/
#include <linux/kernel.h>
-#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/leds.h>
static DEVICE_ATTR(src, 0644, wm831x_status_src_show, wm831x_status_src_store);
+static struct attribute *wm831x_status_attrs[] = {
+ &dev_attr_src.attr,
+ NULL
+};
+ATTRIBUTE_GROUPS(wm831x_status);
+
static int wm831x_status_probe(struct platform_device *pdev)
{
struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
res = platform_get_resource(pdev, IORESOURCE_REG, 0);
if (res == NULL) {
dev_err(&pdev->dev, "No register resource\n");
- ret = -EINVAL;
- goto err;
+ return -EINVAL;
}
drvdata = devm_kzalloc(&pdev->dev, sizeof(struct wm831x_status),
GFP_KERNEL);
if (!drvdata)
return -ENOMEM;
- dev_set_drvdata(&pdev->dev, drvdata);
+ platform_set_drvdata(pdev, drvdata);
drvdata->wm831x = wm831x;
drvdata->reg = res->start;
- if (wm831x->dev->platform_data)
- chip_pdata = wm831x->dev->platform_data;
+ if (dev_get_platdata(wm831x->dev))
+ chip_pdata = dev_get_platdata(wm831x->dev);
else
chip_pdata = NULL;
drvdata->cdev.default_trigger = pdata.default_trigger;
drvdata->cdev.brightness_set = wm831x_status_set;
drvdata->cdev.blink_set = wm831x_status_blink_set;
+ drvdata->cdev.groups = wm831x_status_groups;
ret = led_classdev_register(wm831x->dev, &drvdata->cdev);
if (ret < 0) {
dev_err(&pdev->dev, "Failed to register LED: %d\n", ret);
- goto err_led;
+ return ret;
}
- ret = device_create_file(drvdata->cdev.dev, &dev_attr_src);
- if (ret != 0)
- dev_err(&pdev->dev,
- "No source control for LED: %d\n", ret);
-
return 0;
-
-err_led:
- led_classdev_unregister(&drvdata->cdev);
-err:
- return ret;
}
static int wm831x_status_remove(struct platform_device *pdev)
{
struct wm831x_status *drvdata = platform_get_drvdata(pdev);
- device_remove_file(drvdata->cdev.dev, &dev_attr_src);
led_classdev_unregister(&drvdata->cdev);
return 0;
static struct platform_driver wm831x_status_driver = {
.driver = {
.name = "wm831x-status",
- .owner = THIS_MODULE,
},
.probe = wm831x_status_probe,
.remove = wm831x_status_remove,