static int da903x_backlight_probe(struct platform_device *pdev) { struct da9034_backlight_pdata *pdata = pdev->dev.platform_data; struct da903x_backlight_data *data; struct backlight_device *bl; struct backlight_properties props; int max_brightness; data = kzalloc(sizeof(*data), GFP_KERNEL); if (data == NULL) return -ENOMEM; switch (pdev->id) { case DA9030_ID_WLED: max_brightness = DA9030_MAX_BRIGHTNESS; break; case DA9034_ID_WLED: max_brightness = DA9034_MAX_BRIGHTNESS; break; default: dev_err(&pdev->dev, "invalid backlight device ID(%d)\n", pdev->id); kfree(data); return -EINVAL; } data->id = pdev->id; data->da903x_dev = pdev->dev.parent; data->current_brightness = 0; /* adjust the WLED output current */ if (pdata) da903x_write(data->da903x_dev, DA9034_WLED_CONTROL2, DA9034_WLED_ISET(pdata->output_current)); props.type = BACKLIGHT_RAW; props.max_brightness = max_brightness; bl = backlight_device_register(pdev->name, data->da903x_dev, data, &da903x_backlight_ops, &props); if (IS_ERR(bl)) { dev_err(&pdev->dev, "failed to register backlight\n"); kfree(data); return PTR_ERR(bl); } bl->props.brightness = max_brightness; platform_set_drvdata(pdev, bl); backlight_update_status(bl); return 0; }
static int da903x_backlight_probe(struct platform_device *pdev) { struct da9034_backlight_pdata *pdata = pdev->dev.platform_data; struct da903x_backlight_data *data; struct backlight_device *bl; struct backlight_properties props; int max_brightness; data = kzalloc(sizeof(*data), GFP_KERNEL); if (data == NULL) return -ENOMEM; switch (pdev->id) { case DA9030_ID_WLED: max_brightness = DA9030_MAX_BRIGHTNESS; break; case DA9034_ID_WLED: max_brightness = DA9034_MAX_BRIGHTNESS; break; default: dev_err(&pdev->dev, "invalid backlight device ID(%d)\n", pdev->id); kfree(data); return -EINVAL; } data->id = pdev->id; data->da903x_dev = pdev->dev.parent; data->current_brightness = 0; /* adjust the WLED output current */ if (pdata) da903x_write(data->da903x_dev, DA9034_WLED_CONTROL2, DA9034_WLED_ISET(pdata->output_current)); <<<<<<< HEAD