3  * Driver for loading USB isight firmware
9  * need firmware to be loaded beforehand. After firmware loading, the device
13  * The firmware is non-free and must be extracted by the user. Tools to do this
16  * The isight firmware loading was reverse engineered by Johannes Berg
22 #include <linux/firmware.h>
39 	const struct firmware *firmware;  in isight_firmware_load()  local
47 	if (request_firmware(&firmware, "isight.fw", &dev->dev) != 0) {  in isight_firmware_load()
48 		printk(KERN_ERR "Unable to load isight firmware\n");  in isight_firmware_load()
53 	ptr = firmware->data;  in isight_firmware_load()
60 		       "Failed to initialise isight firmware loader\n");  in isight_firmware_load()
65 	while (ptr+4 <= firmware->data+firmware->size) {  in isight_firmware_load()
79 			if (ptr+llen > firmware->data+firmware->size) {  in isight_firmware_load()
81 				       "Malformed isight firmware");  in isight_firmware_load()
93 				       "Failed to load isight firmware\n");  in isight_firmware_load()
105 		printk(KERN_ERR "isight firmware loading completion failed\n");  in isight_firmware_load()
111 	release_firmware(firmware);  in isight_firmware_load()