19 #define ZCD_FORCE_MODEM			0x01
20 #define ZCD_ALLOW_MS 			0x02
29 static int option_rezero(struct us_data *us)  in option_rezero()  argument
32 	  0x55, 0x53, 0x42, 0x43, 0x78, 0x56, 0x34, 0x12,  in option_rezero()
33 	  0x01, 0x00, 0x00, 0x00, 0x80, 0x00, 0x06, 0x01,  in option_rezero()
34 	  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,  in option_rezero()
35 	  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00  in option_rezero()
40 	usb_stor_dbg(us, "Option MS: %s\n", "DEVICE MODE SWITCH");  in option_rezero()
47 	result = usb_stor_bulk_transfer_buf(us,  in option_rezero()
48 			us->send_bulk_pipe,  in option_rezero()
59 	usb_stor_bulk_transfer_buf(us,  in option_rezero()
60 			us->recv_bulk_pipe,  in option_rezero()
64 	usb_stor_bulk_transfer_buf(us,  in option_rezero()
65 			us->recv_bulk_pipe,  in option_rezero()
75 static int option_inquiry(struct us_data *us)  in option_inquiry()  argument
78 	  0x55, 0x53, 0x42, 0x43, 0x12, 0x34, 0x56, 0x78,  in option_inquiry()
79 	  0x24, 0x00, 0x00, 0x00, 0x80, 0x00, 0x06, 0x12,  in option_inquiry()
80 	  0x00, 0x00, 0x00, 0x24, 0x00, 0x00, 0x00, 0x00,  in option_inquiry()
81 	  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00  in option_inquiry()
86 	usb_stor_dbg(us, "Option MS: %s\n", "device inquiry for vendor name");  in option_inquiry()
88 	buffer = kzalloc(0x24, GFP_KERNEL);  in option_inquiry()
93 	result = usb_stor_bulk_transfer_buf(us,  in option_inquiry()
94 			us->send_bulk_pipe,  in option_inquiry()
101 	result = usb_stor_bulk_transfer_buf(us,  in option_inquiry()
102 			us->recv_bulk_pipe,  in option_inquiry()
103 			buffer, 0x24, NULL);  in option_inquiry()
111 	if (result != 0)  in option_inquiry()
115 	usb_stor_bulk_transfer_buf(us,  in option_inquiry()
116 			us->recv_bulk_pipe,  in option_inquiry()
125 int option_ms_init(struct us_data *us)  in option_ms_init()  argument
129 	usb_stor_dbg(us, "Option MS: %s\n", "option_ms_init called");  in option_ms_init()
135 	result = option_inquiry(us);  in option_ms_init()
136 	if (result != 0) {  in option_ms_init()
137 		usb_stor_dbg(us, "Option MS: %s\n",  in option_ms_init()
139 		return 0;  in option_ms_init()
141 		usb_stor_dbg(us, "Option MS: %s\n",  in option_ms_init()
146 		usb_stor_dbg(us, "Option MS: %s\n", "Forcing Modem Mode");  in option_ms_init()
147 		result = option_rezero(us);  in option_ms_init()
149 			usb_stor_dbg(us, "Option MS: %s\n",  in option_ms_init()
154 		usb_stor_dbg(us, "Option MS: %s\n",  in option_ms_init()
158 	return 0;  in option_ms_init()