SD_IO_SEND_OP_COND
if (cmd->c_opcode == SD_IO_SEND_OP_COND) {
case SD_IO_SEND_OP_COND:
if (cmd->c_opcode == SD_IO_SEND_OP_COND &&
cmd.c_opcode = SD_IO_SEND_OP_COND;