Esempi in C++ (Cpp) per lm3554_platform_data_func

Esempio n. 1

File: lm3554.c Progetto: zenfone5/android_kernel_asus_T00F

static int lm3554_probe(struct i2c_client *client,
				  const struct i2c_device_id *id)
{
	int err;
	struct lm3554 *flash;

#ifndef CONFIG_GMIN_INTEL_MID
	if (client->dev.platform_data == NULL) {
		dev_err(&client->dev, "no platform data\n");
		return -ENODEV;
	}
#endif

	flash = kzalloc(sizeof(*flash), GFP_KERNEL);
	if (!flash) {
		dev_err(&client->dev, "out of memory\n");
		return -ENOMEM;
	}

	flash->pdata = client->dev.platform_data;

#ifdef CONFIG_GMIN_INTEL_MID
	if (!flash->pdata || ACPI_COMPANION(&client->dev))
		flash->pdata = lm3554_platform_data_func(client);
#endif

	v4l2_i2c_subdev_init(&flash->sd, client, &lm3554_ops);
	flash->sd.internal_ops = &lm3554_internal_ops;
	flash->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
	flash->mode = ATOMISP_FLASH_MODE_OFF;
	flash->timeout = LM3554_MAX_TIMEOUT / LM3554_TIMEOUT_STEPSIZE - 1;

	err = media_entity_init(&flash->sd.entity, 0, NULL, 0);
	if (err) {
		dev_err(&client->dev, "error initialize a media entity.\n");
		goto fail1;
	}

	flash->sd.entity.type = MEDIA_ENT_T_V4L2_SUBDEV_FLASH;

	mutex_init(&flash->power_lock);

	setup_timer(&flash->flash_off_delay, lm3554_flash_off_delay,
		    (unsigned long)client);

	err = lm3554_gpio_init(client);
	if (err) {
		dev_err(&client->dev, "gpio request/direction_output fail");
		goto fail2;
	}

#ifdef CONFIG_GMIN_INTEL_MID
	if (ACPI_HANDLE(&client->dev))
		err = atomisp_register_i2c_module(&flash->sd, NULL, LED_FLASH);
#endif
	return 0;
fail2:
	media_entity_cleanup(&flash->sd.entity);
fail1:
	v4l2_device_unregister_subdev(&flash->sd);
	kfree(flash);

	return err;
}

Esempio n. 2

File: atomisp-lm3554.c Progetto: ReneNyffenegger/linux

static int lm3554_probe(struct i2c_client *client)
{
	int err = 0;
	struct lm3554 *flash;
	unsigned int i;
	int ret;

	flash = kzalloc(sizeof(*flash), GFP_KERNEL);
	if (!flash)
		return -ENOMEM;

	flash->pdata = lm3554_platform_data_func(client);

	v4l2_i2c_subdev_init(&flash->sd, client, &lm3554_ops);
	flash->sd.internal_ops = &lm3554_internal_ops;
	flash->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
	flash->mode = ATOMISP_FLASH_MODE_OFF;
	flash->timeout = LM3554_MAX_TIMEOUT / LM3554_TIMEOUT_STEPSIZE - 1;
	ret =
	    v4l2_ctrl_handler_init(&flash->ctrl_handler,
				   ARRAY_SIZE(lm3554_controls));
	if (ret) {
		dev_err(&client->dev, "error initialize a ctrl_handler.\n");
		goto fail2;
	}

	for (i = 0; i < ARRAY_SIZE(lm3554_controls); i++)
		v4l2_ctrl_new_custom(&flash->ctrl_handler, &lm3554_controls[i],
				     NULL);

	if (flash->ctrl_handler.error) {

		dev_err(&client->dev, "ctrl_handler error.\n");
		goto fail2;
	}

	flash->sd.ctrl_handler = &flash->ctrl_handler;
	err = media_entity_pads_init(&flash->sd.entity, 0, NULL);
	if (err) {
		dev_err(&client->dev, "error initialize a media entity.\n");
		goto fail1;
	}

	flash->sd.entity.function = MEDIA_ENT_F_FLASH;

	mutex_init(&flash->power_lock);

	timer_setup(&flash->flash_off_delay, lm3554_flash_off_delay, 0);

	err = lm3554_gpio_init(client);
	if (err) {
		dev_err(&client->dev, "gpio request/direction_output fail");
		goto fail2;
	}
	return atomisp_register_i2c_module(&flash->sd, NULL, LED_FLASH);
fail2:
	media_entity_cleanup(&flash->sd.entity);
	v4l2_ctrl_handler_free(&flash->ctrl_handler);
fail1:
	v4l2_device_unregister_subdev(&flash->sd);
	kfree(flash);

	return err;
}