[media] dvb-usb/it913x: multi firmware loader

	return ret;

}

static int it913x_download_firmware(struct usb_device *udev,

					const struct firmware *fw)

{

	int ret = 0, i;

	u8 packet_size, dlen;

	int ret = 0, i = 0, pos = 0;

	u8 packet_size;

	u8 *fw_data;

	packet_size = 0x29;

	ret = it913x_wr_reg(udev, DEV_0,  I2C_CLK, I2C_CLK_100);

	info("FRM Starting Firmware Download");

	/* This uses scatter write firmware headers follow */

	/* 03 XX 00     XX = chip number? */ 

	for (i = 0; i < fw->size; i += packet_size) {

			if (i > 0)

				packet_size = 0x39;

			fw_data = (u8 *)(fw->data + i);

			dlen = ((i + packet_size) > fw->size)

				? (fw->size - i) : packet_size;

			ret |= it913x_io(udev, WRITE_DATA, DEV_0,

				CMD_SCATTER_WRITE, 0, 0, fw_data, dlen);

	/* Multi firmware loader */

	/* This uses scatter write firmware headers */

	/* The firmware must start with 03 XX 00 */

	/* and be the extact firmware length */

	while (i <= fw->size) {

		if (((fw->data[i] == 0x3) && (fw->data[i + 2] == 0x0))

			|| (i == fw->size)) {

			packet_size = i - pos;

			if ((packet_size > 0x19) || (i == fw->size)) {

				fw_data = (u8 *)(fw->data + pos);

				pos += packet_size;

				if (packet_size > 0)

					ret |= it913x_io(udev, WRITE_DATA,

						DEV_0, CMD_SCATTER_WRITE, 0,

						0, fw_data, packet_size);

				udelay(1000);

			}

		}

		i++;

	}

	ret |= it913x_io(udev, WRITE_CMD, DEV_0,

			CMD_BOOT, 0, 0, NULL, 0);

	ret |= it913x_io(udev, WRITE_CMD, DEV_0, CMD_BOOT, 0, 0, NULL, 0);

	msleep(100);