Here is a link on a chinese site with datasheet for xc5100. http://wenku.baidu.com/view/7f92f3fe700abb68a982fb96.html If you look at it, after reading Product ID we also should receive 0x14b4 (5300 decimal) I'll try extract a FW from a Windows driver and will share results, in case of success. Best regards. -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html