Lines Matching refs:req_data
104 u8 *req_data = gspca_dev->usb_buf;
108 memset(req_data, 0, 16);
109 req_data[0] = gain;
111 req_data[1] |= 0x01; /* low nibble x-scale */
113 req_data[1] |= 0x10; /* high nibble y-scale */
117 req_data[2] = 0x90; /* unknown, does not seem to do anything */
119 req_data[3] = 0x06; /* vend? */
121 req_data[3] = 0x07; /* vend? */
122 else /* Up to 244 lines with req_data[3] == 0x08 */
123 req_data[3] = 0x08; /* vend? */
127 req_data[4] = 255 - expo;
128 req_data[5] = 0x00;
129 req_data[6] = 0x00;
130 req_data[7] = 0x01;
133 req_data[4] = 0x00;
134 req_data[5] = 0x00;
135 req_data[6] = expo & 0xFF;
136 req_data[7] = expo >> 8;
138 req_data[8] = ((244 - unscaled_height) / 2) & ~0x01; /* vstart */
142 ret = vicam_control_msg(gspca_dev, 0x51, 0x80, 0, req_data, 16);